题目描述:
LeetCode 854. K-Similar Strings
Strings A and B are K-similar (for some non-negative integer K) if we can swap the positions of two letters in A exactly K times so that the resulting string equals B.
Given two ...
LeetCode 854. K-Similar Strings
Strings A and B are K-similar (for some non-negative integer K) if we can swap the positions of two letters in A exactly K times so that the resulting string equals B.
Given two ...
In an exam room, there are N seats in a single row, numbered 0, 1, 2, ..., N-1.
When a student enters the room, they must sit in the seat that maximizes the distance to the ...
N cars are going to the same destination along a one lane road.  The destination is target miles away.
Each car i has a constant speed speed[i] (in miles per hour), and ...