Problem: Minimum Window Substring

Hard

40 min

Understand how to apply the sliding window technique to identify the minimum window substring containing all characters of a given target string. Learn to optimize substring searches for coding interviews by balancing character frequency requirements and efficient solution implementation.

Statement

Given two strings, s and t, find the minimum window substring in s, which has the following properties:

It is the shortest substring of s that includes all of the characters present in t.
It must contain at least the same frequency of each character as in t.
The order of the characters does not matter here.

Note: If there are multiple valid minimum window substrings, return any one of them.

Constraints:

Strings s and t consist of uppercase and lowercase English characters.
1 $\leq$ s.length, t.length $\leq 10^3$

Problem: Minimum Window Substring

Hard

40 min

Statement

Given two strings, s and t, find the minimum window substring in s, which has the following properties:

It is the shortest substring of s that includes all of the characters present in t.
It must contain at least the same frequency of each character as in t.
The order of the characters does not matter here.

Note: If there are multiple valid minimum window substrings, return any one of them.

Constraints:

Strings s and t consist of uppercase and lowercase English characters.
1 $\leq$ s.length, t.length $\leq 10^3$

Problem: Minimum Window Substring

Statement

Examples

Understand the problem

Figure it out!

Try it yourself

Problem: Minimum Window Substring

Statement

Examples

Understand the problem

Figure it out!

Try it yourself