Find The Lexicographically Smallest String By Deleting Characters From Given String Given a string S1 of length L1 consisting of Latin uppercase alphabets only and a string S2 of length L2 consisting of characters T ' and ' F ' only, Let the array be 'arr', If it is not possible to do so, return "-1", e, Nov 22, 2022 · Problem You are given a string s and a robot that currently holds an empty string t, Use an interactive calendar and price graph to find the best fares, Perform the following operation: * Select any non-empty substring then replace every letter of the substring with the preceding letter of the English alphabet, Examples: Input: S = "yzxyz" Output: xyz Explanation: Removing the duplicate characters at indices 0 and 1 in the given string, the remaining string "xyz" consists only of unique alphabets only and is the smallest Jul 23, 2025 · Given a string S and a character C, the task is to place a character in the string in such a way that the string obtained is the lexicographically smallest string, Question ALL Two strings are given, word and substr, Jul 12, 2025 · Given string str of lower case English alphabets, Problem Description Given a string s, you need to find the lexicographically smallest subsequence that contains every distinct character from s exactly once, We can do this modifications any number of times, find the lexicographically smallest string possible, Examples: Input: s = "bbcaab", k = 3 Output: "aab" Input: s = "aabdaabc", k = 3 Output: "aaa" [Naive Approach] Generating all Subsequences - O (2^n) time and O (C (n,k)*k+n) space The idea is to generate all possible subsequences of length k from the input Feb 12, 2025 · -3 I have a string of size n, containing only numbers from 0 to 9 pick any character from this string and modified it using formula Math, Input: s = "raavz" Output: "raaw" Explanation: Last character is 'z', so we move left to 'v' and increment it to 'w' and remove the rightmost 'z' to make next Oct 26, 2016 · For example, The first string of length 1 is a, the second string of length 3 is aab, the 5th string of length 5 is aaacc (following aaabb, aaabc, aaabd, and aaacb), etc, Example 1: Input: abczd Output: abcd Example 2: Input: abcda Output: abca Explanation: One can remove d to get abca, which is the lexicographically smallest string possible Jun 7, 2025 · 📜 Problem Overview You’re given a string s containing lowercase letters and asterisks *, Jul 23, 2025 · Given a string S consisting of digits from 0 to 9 inclusive, the task is to form the lexicographically smallest string by performing an operation any number of times, The goal is to find a replacement that adheres to the following conditions: The string can only contain 'a', 'b', and 'c', Jul 23, 2025 · Frequency of maximum occurring subsequence in given string Convert given string to another by minimum replacements of subsequences by its smallest character Minimize deletions in a Binary String to remove all subsequences of the form “0101” Subsequences of given string consisting of non-repeating characters Quick Links: Lexicographically smallest string | Problem of the Day : 06/10/22 | Siddharth Hazra GeeksforGeeks Practice 84, You can swap the characters at any pair of indices in the given pairs any number of times, For example, answer for the string Find your device with your Wear OS watch If you lose your Android phone or tablet that’s connected to a Wear OS smartwatch, you can find it with your watch, , if the length of the string is a power of 2, reduce K by half, else multiply K by 2, Apr 24, 2023 · Given a binary string S of length N, the task is to find lexicographically the smallest string formed after modifying the string by selecting any substring “10” and removing any one of the characters from that substring, any number of times, Your task is to print the lexicographically smallest string out of all possible new strings that you can construct, You can stop sharing devices at any time and remove devices and accessories f Learn how to set screen lock on your device, Objective is to obtain the lexicographically smallest string, Sep 12, 2015 · Find the lexicographically smallest string by deleting characters from given string [Google] - Jun 20, 2025 · Given a string s and an integer k, find the lexicographically largest string that can be obtained by removing exactly k characters from s, while preserving the relative order of the remaining characters, Return the lexicographically smallest string with length equal to n and numeric value equal to k, You can perform the following operation any number of times (including zero): * Remove any pair of adjacent characters in the string that are consecutive in the alphabet, in either order (e, If there are multiple valid Oct 6, 2020 · Suppose we have a string s, we have to find the lexicographically smallest string that can be made if we can make at most one swap between two characters in the given string s, , A string word of length n + m - 1 is defined to be generated by str1 and str2 if it satisfies the following conditions for each index 0 <= i <= n - 1: * If str1[i] == 'T', the substring of word with size m starting at index i is Jul 23, 2025 · Given a string s, the task is to find the lexicographically smallest string of minimum characters that do not exist as a substring in S, Find the lexicographically smallest string that can be obtained by doing this operation at most once, This approach works because we want the concatenated string to be lexicographically small, not the individual strings to be in the lexicographical order, Can you solve this real interview question? Lexicographically Smallest String After Adjacent Removals - You are given a string s consisting of lowercase English letters, Learn how to set screen lock on your device, Lexicographical order means dictionary order - for example, "abc" comes before "acb" because You are given a string s of length n, and an integer k, Therefore, the problem reduces to finding which suffix of the string is lexicographically largest, Examples: Input: S = "aabacdefghijklmnopqrstuvwxyz" Output: ad Explanation: All the single digit strings from [a-z] occur in the given string and in two character strings, strings {aa, ab, ac} occur but "ad" is not present in the given string, min (s [i] + 1, 9) and place it in any position of the string, Find your way around YouTube Signed in? How you experience YouTube depends a lot on whether you're signed in to your Google Account, If it is not possible to do so, then print empty string (""), Jul 23, 2025 · Given a binary string S of length N, the task is to find lexicographically the smallest string formed after modifying the string by selecting any substring "10" and removing any one of the characters from that substring, any number of times, For example, s = "axxb??" the two question marks can be replaced with the characters a and b respectively to form a string s ="a Lexicographically smallest string means among the set of strings is the string which appears first in the dictionary order is known as a lexicographically smallest string, Find all rotations of 'str' by taking substrings of 'concat' at index 0, 1, 2, Find the lexicographically smallest string, that can be obtained using this procedure, Dec 7, 2023 · Given a circular string s, find whether there exists a permutation of s which is a K-periodic circular string and if it exists then find the lexicographically smallest permutation of s which is a K-periodic circular string, If it's not possible to achieve this, return -1, e, Your goal is to remove all asterisks from the string, but there's a special rule for how to do this, Find the lexicographically smallest string that can be obtained by replacing '?' characters such that substr appears at least once, While there is a '*', do the following operation: Delete the leftmost '*' and the smallest non- '*' character to its left, Return the lexicographically smallest resulting string after removing all '*' characters, With Gmail, you can choose whether messages are grouped in conversations, or if each email shows up in your inbox separately, , 'a' and 'b', or 'b' and 'a Aug 17, 2022 · Given a string s we have to find the lexicographical maximum substring of a string Examples: Input : s = "ababaa" Output : babaa Explanation : "babaa" is the maximum lexicographic substring formed from this string Input : s = "asdfaa" Output : sdfaa The idea is simple, we traverse through all substrings, If there are several smallest characters, you can delete any of them, Aug 25, 2023 · Approach 1: Brute Force Approach The brute force approach includes producing all conceivable stages of the given string by supplanting characters concurring to the given connection, Jul 23, 2025 · Approach 2: The above approach can be optimised by avoiding the need to find all combinations, based on following observation: Since we need to find a combination where all 0s come before all 1s, we can sort the given binary string instead, to get the required lexicographically smallest binary string, We can construct the automaton for the set of strings, Apply one of the following operations until s and t are both empty: Remove the first character of a string s and give it to the robot, Among all possible results after removing duplicates, you need to return the one that is lexicographically smallest, Generate a lexicographically smallest string S of length (L1+L2 1) such that a substring of length L1 in string S starting at index i (0≤i Jul 15, 2020 · Given a number in form of string str and an integer K, the task is to find the smallest integer that can be formed after performing at most K consecutive swaps, Jul 30, 2024 · Given a string S consisting of only lowercase characters, the task is to find the lexicographically smallest string after removing exactly K characters from the string, Aug 20, 2020 · Suppose we have an array A of n numbers, where A [i] indicates the number of distinct characters in the prefix of length (i + 1) of a string s, we have to find the lexicographically smallest string that satisfies the given prefix array, Learn about the Google Photos inactivity policy, Implementation:- Jul 23, 2025 · Let the given string be 'str' Concatenate 'str' with itself and store in a temporary string say 'concat', Note: A substring is a contiguous sequence of characters within a string, Remove the smallest non- * character to its left, For example, s = "axxb??" the two question marks can be replaced with the characters a and b respectively to form a string s ="a Question: A string and the biggest palindrome You are given a string s, Return the lexicographically smallest string that s can be changed to after using Sep 18, 2023 · 2734, Store these rotations in arr [] Sort arr [] and return arr [0], Replace question marks such that after the string is re-arranged it forms a lowest palindrome that is lexicographically sm Can you solve this real interview question? Find the Lexicographically Smallest Valid Sequence - You are given two strings word1 and word2, But you have to modify the value of K, i, Add that value to the rank, While there is a '*', do the following operation: * Delete the leftmost '*' and the smallest non-'*' character to its left, Feb 17, 2025 · Given a string s with lowercase repeated characters, the task is to rearrange characters in a string so that no two adjacent characters are the same, The first and last characters of the string cannot be identical, Examples: Input: s = "abcda" Output: "abca" Explanation: One can remove 'd' to get "abca" which is the lexicographically smallest string possible, Example 1: Input: s = "aab" Output: "aba" Example 2: Input: s = "aaab" Output: "" Constraints: * 1 <= s, You can remove any k character, You must make sure your result is the smallest in lexicographical order among all possible results, Jul 23, 2025 · Naive Approach: The given problem can be solved by creating an undirected graph where an edge connecting (x, y) represents a relation between characters x and y, Jul 23, 2025 · Given a string S of N characters, the task is to find the smallest lexicographical string after performing each of the following operations N times in any order: Remove the 1st character of S and insert it into a stack X, Remove the chosen character from str, Let len be the length of the shortest beautiful substring, [the reason is mentioned above] Below is the implementation of the above approach, Your task is to remove duplicate letters from the string so that each letter appears exactly once, A subsequence is a string that can be derived from another string by deleting some or no characters without changing the order of the remaining characters, The numeric value of a string consisting of lowercase characters is defined as the sum of its characters' numeric values, You are tasked to find the longest subsequence repeated k times in string s, Perform the below operation once, If there are two strings with the same set of characters, print the lexicographically smallest arrangement of the two strings For string abc, the list in lexicographic order subsequences are, a ab abc ac b bc c Examples: Input : s = "ab" Output : a ab b Input : xyzx Output : x xx xy xyx xyz xyzx xz xzx y Dec 20, 2023 · Given a string array S, the task is to find the lexicographically smallest string that can be formed by extracting a single character in each string from the string array S, For instance, if the input string is “acb”, one swap of ‘b’ and ‘c’ would yield the desired output “abc”, which is the smallest possible string in lexicographical order that can be achieved with a single swap, Mar 10, 2024 · Problem Formulation: We wish to find the smallest string in lexicographical order that satisfies specific conditions, Take any character from the first K characters of str and append it to X, You can let a friend or family member share and locate a device or accessory, like your car keys, that have a tracker tag, Can you solve this real interview question? Lexicographically Smallest Generated String - You are given two strings, str1 and str2, of lengths n and m, respectively, Can you solve this real interview question? Lexicographically Minimum String After Removing Stars - You are given a string s, At the end, add 1 with rank and return it as the required answer, Return the lexicographically smallest equivalent string of baseStr by using the equivalency information from s1 and s2, Result = "24677 Sep 15, 2017 · I have a string S which consists of a's and b's, By replacing any character of the string C with its equivalent characters, you can construct multiple new strings, Find the longest palindrome that can be formed using the characters of the given string, Operation: Reverse exactly one substring of S e, May 17, 2023 · In the above tutorial, we have learned how to find the lexicographically smallest string from the given string by removing the character ?1' if any occurrence of sub-string ?10' is present in the given string, 🧩 You need to return that lexicographically largest string from the box, a string consisting of n characters '0' and '1'), Find the lexicographically smallest (i) string that can be obtained by replacing "?' characters such that substr appears at least once, You can remove any K character, If the device that you want to find doesn't use a PIN, or runs Android 8 or lower, you may be prompted for your Google password, Some of the characters in word are a question mark (?), [Solved] Find lexicographically smallest palindrome for a given string s quotaxxb quot replace with a or x or b and rearrange to find smallest Nov 22, 2022 · Problem You are given a string s and a robot that currently holds an empty string t, In one operation you can choose any position i and delete the digit d at s [i] and insert min (d+1, 9) on any position (at the beginning, at the end, or in between any two adjacent digits), What is the lexicographically minimum possible string you can obtain from the given one if you can perform no more than k moves? It is possible that you do not perform any moves at all, The robot will append this character to the string t, Your task is to remove all '*' characters, Mar 10, 2023 · Given a string s, make a list of all possible combinations of letters of a given string S, Can you solve this real interview question? Smallest String With Swaps - You are given a string s, and an array of pairs of indices in the string pairs where pairs[i] = [a, b] indicates 2 indices(0-indexed) of the string, On this page View individual messages or conversation threads Change the order of messages Find messages by searching Get notified of new email View archived email View deleted email Use Google flights to: Find and book round trip, one-way, and multi-city tickets, Aug 10, 2024 · You are given two strings, word and substr, We have explored the problem of Deleting Duplicate Characters of String such that the resulting string is lexicographically the smallest among all possibilities, Can you solve this real interview question? Shortest and Lexicographically Smallest Beautiful String - You are given a binary string s and a positive integer k, Calculate the number of lexicographically smaller that can be formed using them as shown above, The characters at the same index in S1 and S2 are considered equivalent and follow the transitive property, the task is to find and print the lexicographically smallest string that you can obtain from S3 by changing its characters to some other equivalent character obtained from S1 and S2, Can you solve this real interview question? Lexicographically Smallest String After Operations With Constraint - You are given a string s and an integer k, If many such palindromes exist, print the lexicographically smallest palindromic string, Suppose you are given following: Input string1: "this is a test string" Input string2: "tist" Output string: "t stri" So, given above, how can I approach towards finding smallest substring of string1 that contains all the characters from string 2? Sep 2, 2025 · Given a string s, find the smallest string that is strictly greater than s in lexicographic order, You must repeatedly perform this operation until no * is left: Remove the leftmost *, For example, given the equivalency information from s1 = "abc" and s2 = "cde", "acd" and "aab" are equivalent strings of baseStr = "eed", and "aab" is the lexicographically smallest equivalent string of baseStr, The consecutive swaps mean at one swap the character at index i can be swapped with character at index i - 1 or i + 1, Whenever you encounter an asterisk, you must: Delete that asterisk Also delete the lexicographically smallest non-asterisk character that appears to the left of this asterisk If there are Then we take any permutation p of the selected indices and form a new string sip1sip2 sip, For example, given a list of strings such as ["bza", "ab", "abc"], we want to identify the string that appears first in dictionary order while meeting our conditions, The task is to generate X such that it is lexicographically the Oct 6, 2020 · Suppose we have a string s, we have to find the lexicographically smallest string that can be made if we can make at most one swap between two characters in the given string s, Mar 10, 2024 · Problem Formulation: We aim to find a method to create the lexicographically smallest string by making only one swap of characters in a given string, Intuitions, example walk through, and complexity analysis, For example, the numeric value of the string "abe" is equal to 1 + 2 + 5 = 8, Longest Word in Dictionary through Deleting - Given a string s and a string array dictionary, return the longest string in the dictionary that can be formed by deleting some of the given string characters, Aug 13, 2025 · This blog will discuss the problem to find the lexicographically smallest K-length subsequence from a given string in C++, Java, and Python language along with the time and space complexity, The function returns the string that occurs first when sorted lexicographically in ascending order, Sample Examples Example 1: Input: s = codingninjas, k = 2 Output: oingninjas Example 2: Input: s = chunmun, k = 3 Output: unun To solve the above problem, we have to know about lexicographic Mar 9, 2024 · Problem Formulation: In the context of string processing, finding the lexicographically smallest subsequence of a given size can be a common task, , if the length of the string is a power of 2, reduce k by half, else multiply k by 2, Examples: Input: s = “04829” Output Feb 23, 2023 · Given a string str consisting of lowercase alphabets and an integer K, you can perform the following operations on str Initialize an empty string X = "", google, We have to create the Sep 14, 2022 · Given a number K and a string S, We have to Find the lexicographically smallest string str of length K such that it's set of letters is a subset of the set of letters of S and S is lexicographically smaller than str, Generate a lexicographically smallest string S of length (LT +L2−1) such that o substring of length L1 in string S storting ot index /(0≤ i<L2) is equal to St if and only if ith element of S2 is ' T (without quotes) else not: If no such Apr 18, 2025 · We have to find a string of length L , which does not contain any of the strings, and derive the lexicographically smallest of such strings, You are given two integers n and k, We at that point compare each stage with the current lexicographically littlest string and overhaul it on the off chance that a little May 6, 2025 · Given a string s of length n, the task is to find the lexicographically smallest k-length subsequence from the string s (where k < n), Examples: Input: str = "76921", K = 3 Output: 27691 Explanation: Problem Description You have a string s that contains lowercase letters and asterisk (*) characters, On the map, you can see information about the device’s location, Mar 27, 2024 · Introduction to Problem Statement Given a string s and an integer k ( k<=s, A string a is lexicographically smaller than string b (of the same length) if in the first position where a and b differ, string a has a letter that appears earlier in the alphabet than the corresponding letter in b, Input: s = "aaa" Output: "aa" Approach: Traverse the string and delete the i-th character at the You are given a string s, Write a program to find the lexicographically smallest and largest substring from given string ‘s’ of the length ‘k’, Filter your flight search by cabin class, airlines, and number of stops, The numeric value of a lowercase alphabetic character is its position in the alphabet starting from 1; hence ‘a’ is 1, ‘b’ is 2, etc, So this has a relatively simple solution You can replace any character of string C with its any equivalent character, Some of th characters in word are a question mark (?), Mar 18, 2024 · Given a string containing lower case english alphabets and question marks, We will be given a binary string (that contains only two different types of characters 0 and 1) and we can delete character 1 from any substring 10 from the given string at any number or time, Repeat the above steps while there are characters left in str, A substring of s is beautiful if the number of 1's in it is exactly k, Find lost photos & videos When you turn on backup, your photos are stored in photos, * Concatenating the characters at these indices in Jun 28, 2020 · Problem Statement: You are given a string (says ‘s’), and an integer ( says ‘k’), In one operation, you can replace a character in s with another lowercase English letter, Your task is to find the lexicographically smallest string that can be obtained by replacing the ? characters such that substr appears at least once in the string, Some of the characters in word are question marks (?), Apply this operation as many times as he wants, by removing a single character from the given string, For example, 'b' is converted to 'a', and 'a' is converted to 'z Jul 23, 2025 · Given three strings, S1, S2, and S3, You are given a binary string of length n (i, If there is more than one possible result, return the longest word with the smallest lexicographical order, Method 1: Greedy Problem Description You have a string s that contains lowercase letters and asterisk (*) characters, 43 I have recently come across an interesting question on strings, Lost a Windows, Mac, or Linux computer? Computers aren't listed under "Find your phone, Sample Examples Input 1 string str = "1101010011" Output: 000011 Explanation ? Apr 4, 2025 · Given a string s, the task is to find the lexicographically smallest string that can be formed by removing at most one character from the given string, A string a is lexicographically smaller than a string b (of the same length) if in the first position where a and b differ, string a has a letter that appears earlier in the alphabet than the corresponding letter in b, Example word: "as?b?e?gf" substr: "dbk" Replace the 3rd and 5th characters with 'd Dec 15, 2023 · Leetcode problem 82 - Lexicographically Smallest Palindrome December 15, 2023 2 minute read You are given a string s consisting of lowercase English letters, and you are allowed to perform operations on it, Apply one of the following operations until s and t are both empty: * Remove the first character of a string s and give it to the robot, , 'a' and 'b', or 'b' and 'a Jul 23, 2025 · Given two strings X and Y of lowercase letters, of length N and M respectively, the task is to build another string Z by performing two types of operations: Choose any character from the string X, remove it from X, and add it to the end of Z, Jul 23, 2025 · Given an array arr [] consisting of N strings and a string S if size M, the task is to find the lexicographically smallest string consisting of the string S as the prefix, Example s ="26547", length () ), Oct 23, 2021 · The task is to find the lexicographically smallest string possible by inserting a given character, The goal is to identify the smallest subsequence of length ‘k’ from a given string such that when the characters are compared lexicographically, no other subsequence of the same length is smaller, It may contain any number of '*' characters, Remove the top of stack X and append it to the end of another string Y which is initially empty, In one operation, you can do the following: Select any non-empty substring of s, possibly the entire string, then replace each one of its characters with the previous character of the English alphabet, Return any possible rearrangement of s or return "" if not possible, Our task is to find the lexicographically largest string after removing exactly k characters from the given string, Learn how to find your phone with your watch, Question: Given a string $1 of length L1 consisting of Latin uppercase alphabets only and a string 52 of length L2 consisting of characters 'T' and 'F' only Generate a lexicographically smallest string S of length (L1+12-1) such that a substring of length L1 in string S starting at index / (0 ≤ i < L2) is equal to S1 if and only if i element of $2 is '7 (without Mar 27, 2024 · In this blog, we will solve a new task in C++: finding the lexicographically smallest string, which is not a substring of a given string, Mar 4, 2024 · Problem Formulation: We need to create a program that, given two integers n and k, returns the lexicographically smallest string that has a length equal to n and a numeric value equal to k, Lexicographically smallest string means among the set of strings is the string which appears first in the dictionary order is known as a lexicographically smallest string, Create an array of strings to store all rotations of 'str', Learn more about using your Google Account for YouTube, " Move on to changing your Google Account password, A subsequence is a sequence that can be derived from the original string by deleting some (possibly zero) characters without changing the order of the remaining characters, Jul 23, 2025 · Iterate the string from i = 0 to length of string: Find the number of characters smaller than the current character, Jun 4, 2025 · After all possible unique splits, the lexicographically largest string among all strings in the box is the result, Return the lexicographically smallest beautiful substring of string s with length equal to len, If s Problem Description You are given a string s that contains lowercase English letters, Can you solve this real interview question? Lexicographically Smallest String After Substring Operation - Given a string s consisting of lowercase English letters, In one move you can swap two adjacent characters of the string, Sep 23, 2020 · Find a lexicographically smallest string If you are given string S as "LessThan GreaterThan LessThan", in which every two consecutive chars follow the relation in the order mentioned in string S Apr 17, 2024 · Given a string consisting of 'a', 'b', 'c', or '?', you are required to replace the question marks '?' in the string, Jun 23, 2025 · Given a string S of length N, the task is to find the lexicographically smallest subsequence of length (N – 1), i, Example: Input: S = "cab" Dec 30, 2015 · 34 The smallest lexicographical order is an order relation where string s is smaller than t, given the first character of s (s1) is smaller than the first character of t (t1), or in case they are equivalent, the second character, etc, Microsoft Online Assessment (OA) - Lexicographically Smallest String Given a string str, the task is to find the lexicographically smallest string that can be formed by removing at most one character from the given string, Time Complexity: O (N * M), where M represents Jul 23, 2025 · Given a string S of length N, the task is to find the lexicographically smallest subsequence of length (N - 1), i, Aug 25, 2018 · Are you asking how to determine which character to remove from a string to produce the lexicographically earliest result of all the results possible by removing a character? For example, if you are given S as "<><", then you have to find a lexicographically-smallest string in which every two consecutive characters follow the relation in the order mentioned in S, Input: S Remove Duplicate Letters - Given a string s, remove duplicate letters so that every letter appears once and only once, Jul 23, 2025 · Given a string S consisting of lowercase alphabets, the task is to find the lexicographically smallest string that can be obtained by removing duplicates from the given string S, Sep 17, 2020 · How to find the lexicographically smallest string and has unique characters that satisfies the order given in the form of a string filled with '>' and '<', Plus, you get powerful AI and search capabilities to help you find messages quickly, Examples: Input: s = "geeks" Output: "geekt" Explanation: The last character 's' becomes 't', forming the next lexicographic string, If there are Jul 15, 2025 · Given a string S consisting of only lowercase letters, the task is to find the lexicographically largest string that can be obtained by removing K characters from the given string, May 8, 2023 · Given String str and an integer k, find the lexicographically smallest and largest substring of length k Lexicography order, also called as alphabetical order or dictionary order, In-depth solution and explanation for LeetCode 2734, [Solved] Find lexicographically smallest palindrome for a given string s quotaxxb quot replace with a or x or b and rearrange to find smallest This is because any shorter substring starting from i would be a prefix of s[i:], and prefixes are always lexicographically smaller than the full string when the string has more characters, If there are multiple valid To find the smallest of given List of strings lexicographically in Python, call min () builtin function and pass the list of strings as argument, Return an empty string if there does not exist a valid permutation of s which is a K-periodic circular string, A string x is called almost equal to y if you can change at most one character in x to make it identical to y, Using a Robot to Print the Lexicographically Smallest String - You are given a string s and a robot that currently holds an empty string t, In this case, the desired output would be "ab", 3K subscribers Subscribe Question: String generation Given a string S1 of length L1 consisting of Latin uppercase alphabets only and a string S2 of length L2 consisting of characters ' T ' and ' F ' only, Remove the last character of a string t and give it to the robot, We have to create the lexicographic string by applying this method, By default, your Android device stores encrypted recent locations with Google and participates in the Find Hub network, a crowdsourced network of Android devices that uses end-to-end encrypted location information to help Android users find their lost devices, Define a function distance(s1, s2) between two strings s1 and s2 of the same length n as: * The sum of the minimum distance between s1[i] and s2[i] when the characters from 'a' to 'z' are placed in a cyclic order, for all i in the range [0 Can you solve this real interview question? Lexicographically Smallest String After Adjacent Removals - You are given a string s consisting of lowercase English letters, A string a is lexicographically smaller than a string b if in the first position where a and b differ, string a has a letter that appears earlier in the alphabet than the corresponding Two strings are given, word and substr, Examples: Input: str = "ccad Aug 26, 2022 · The task is to find the lexicographically smallest string X of the same length only that can be formed using the operation given below: In a single operation, select any one character among the at most first K characters of string S, remove it from string S and append it to string X, For every substring, we compare it with the current result and update the result if needed Can you solve this real interview question? Reorganize String - Given a string s, rearrange the characters of s so that any two adjacent characters are not the same, Lexicographically Smallest String After Substring Operation in Python, Java, C++ and more, n-1, Longest Subsequence Repeated k Times - You are given a string s of length n, and an integer k, One can choose any two characters in the string and replace all the occurrences of the first character with the second character and replace all the occurrences of the second character with the first character, But you have to modify the value of k, i, Ready to utilize the next_permutation work from the C++ STL to produce changes, May 4, 2025 · Given a string s consisting of only lowercase characters, the task is to find the lexicographically smallest string after removing exactly k characters from the string, Choose any character from the string Y, remove it from Y, and add it to the end of Z, Lexicographically Smallest String After Substring Operation Description You are given a string s consisting of only lowercase English letters, g Lexicographically Smallest Palindrome - You are given a string s consisting of lowercase English letters, and you are allowed to perform operations on it, 📝 Goal: Return the lexicographically smallest string after all * and their associated characters May 17, 2023 · We will be given a binary string (that contains only two different types of characters 0 and 1) and we can delete character ?1' from any substring ?10' from the given string at any number or time, No two consecutive characters in the string can be the same, Dec 27, 2015 · Remove all duplicates from a string and select the lexicographical smallest string possible, Thereafter, for each character in the given string, traverse the graph using DFS and find the smallest character among the connected vertices of the current character and replace them, Google Flights allows you to book flights from more than 300 airline and online travel agency partners, If there are multiple smallest characters, you can choose any, g, Examples: Input: s = "zyxedcba", K=1 Output: zyxedcb Explanation: The character with the smallest ASCII value from the given string is 'a', Aug 25, 2022 · Q) 25th August 2022 Given a palindrome, you must change 1 character in it such that the string is not a palindrome and is lexicographically smallest, Better than official and forum solutions, Mar 25, 2024 · I need to find Lexicographically smallest palindrome, Important: If you're inactive in Google Photos for 2 years or more, your content may be deleted, Basically you have to find out all the sub-strings and then sort them in lexicographical order, length <= 500 * s consists of lowercase English letters, Example Consider s = "apple", For example, the string cbacdcbc would return acdb, not adcb, Return the lexicographically smallest string you can obtain by applying the above operations any number of times on s, A sequence of indices seq is called valid if: * The indices are sorted in ascending order, Your task is to make s a palindrome with the minimum number of operations possible, com, For example, 'b' is converted to 'a', and 'a Feb 1, 2023 · Instead check if appending b at the end of a produces a lexicographically smaller string or appending a at the end of b does, dtq ozglh izlp ske ipcbdvy asjv dub pahzts pnmw dynnzsl