cuiccc2014的个人技术小栈

Given an array nums containing n + 1 integers where each integer is between 1 and n (inclusive), prove that at least one duplicate number must exist. Assume that there is only one duplicate number, find the duplicate one.Example 1:Input: [1,3,4,2,2]Ou

There are N gas stations along a circular route, where the amount of gas at station i is gas[i].You have a car with an unlimited gas tank and it costs cost[i] of gas to travel from station i to its next station (i+1). You begin the journey with an empty

Q:Given a string s.Returnall the words vertically in the same order in which they appear in s.Words are returned as a list of strings, complete withspaces when is necessary. (Trailing spaces are not allowed).Each word would be put on only one column a...

Given an integer array nums, find the contiguous subarray (containing at least one number) which has the largest sum and return its sum.Example:Input: [-2,1,-3,4,-1,2,1,-5,4],Output: 6Explanati...