[LeetCode] Minimum Window Subsequence 最小窗口序列

Given strings S and T, find the minimum (contiguous) substring W of S, so that T is a subsequence of W.

If there is no such window in S that covers all characters in T, return the empty string "". If there are multiple such minimum-length windows, return the one with the left-most starting index.

Example 1:

Input:
S = "abcdebdde", T = "bde"
Output: "bcde"
Explanation:
"bcde" is the answer because it occurs before "bdde" which has the same length.
"deb" is not a smaller window because the elements of T in the window must occur in order.

Note:

  • All the strings in the input will only contain lowercase letters.
  • The length of S will be in the range [1, 20000].
  • The length of T will be in the range [1, 100].

s

原文地址：https://www.cnblogs.com/grandyang/p/8684817.html

时间： 2024-10-15 10:38:10

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