A car travels from a starting position to a destination which is target miles east of the starting position. Along the way, there are gas stations. Each station[i] represents a gas station that is station[i][0] miles east of the starting position, a…
A car travels from a starting position to a destination which is target miles east of the starting position. Along the way, there are gas stations. Each station[i] represents a gas station that is station[i][0] miles east of the starting position, a…
今天在leetcode上遇到了 137. Single Number II 这道题: 给定一个非空整数数组,除了某个元素只出现一次以外,其余每个元素均出现了三次.找出那个只出现了一次的元素.(Given a non-empty array of integers, every element appears three times except for one, which appears exactly once. Find that single one.) Note: 你的算法应该具有线性…