摘要：
Given an array nums of integers, you can perform operations on the array. In each operation, you pick any nums[i] and delete it to earn nums[i] points 阅读全文
摘要：
Given two strings s1, s2, find the lowest ASCII sum of deleted characters to make two strings equal. Example 1: Example 2: Note: 0 < s1.length, s2.len 阅读全文
摘要：
Given an array of integers nums and a positive integer k, find whether it's possible to divide this array into k non-empty subsets whose sums are all 阅读全文