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Mar 4, 2024 · Learn how to find the smallest substring in a string that contains all characters of another string. See examples, code, and time complexity analysis for C++, Java, Python, and C#.
- Minimum Window Subsequence | Practice | GeeksforGeeks
Given strings str1 and str2, find the minimum (contiguous)...
- Smallest window in a string containing all the characters of ...
Smallest window in a string containing all the characters of...
- Minimum Window Subsequence | Practice | GeeksforGeeks
Given strings str1 and str2, find the minimum (contiguous) substring W of str1, so that str2 is a subsequence of W. If there is no such window in str1 that covers all characters in str2, return the empty string "".
Smallest window in a string containing all the characters of another string. Difficulty: Hard Accuracy: 30.19% Submissions: 134K+ Points: 8. Given two strings S and P. Find the smallest window in the string S consisting of all the characters (including duplicates) of the string P. Return "-1" in case there is no such window present.
Find the smallest substring of s that contains all characters of t. Learn the solution, constraints, and follow up question for this hard problem.
class Solution { public: string minWindow(string s, string t) { vector<int> count(128); int required = t.length(); int bestLeft = -1; int minLength = s.length() + 1; for (const char c : t) ++count[c]; for (int l = 0, r = 0; r < s.length(); ++r) { if (--count[s[r]] >= 0) --required; while (required == 0) { if (r - l + 1 < minLength) { bestLeft = ...
Jul 31, 2023 · To find the minimum window substring, we utilize a sliding window technique. We start with two pointers, left and right, that define the window boundaries. We expand the window by moving the...
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In-depth solution and explanation for LeetCode 727. Minimum Window Subsequence in Python, Java, C++ and more. Intuitions, example walk through, and complexity analysis. Better than official and forum solutions.