Problem The complement of an integer is the integer you get when you flip all the 0’s to 1’s and all the 1’s to 0’s in its binary representation. For example, The integer 5 is “101” in binary and it
好久没更LeetCode了,因为最近手头的事情比较多。今天更新两条easy问题。 1013. Pairs of Songs With Total Durations Divisible by 60 这个问题是一个模算术问题。将歌曲时长转为[0,59]余数即可。 class Solution {public int numPairsDivisibleBy60(int[] time) {int