Minimum Window Substring
Updated Feb 24, 2026
Problem
Return the minimum window in s that contains all chars of t.
Constraints
1 <= s.length, t.length <= 10^5
Examples
Example 1
Input:
{"s": "ADOBECODEBANC", "t": "ABC"}
Output:
"BANC"
Function Signature
def minWindow(self, s: str, t: str) -> str
How to Submit
Implement a Solution class with a minWindow method.
Your method will be called with the input parameters and should return the answer.