check sum

Problem Given array of sorted number, check if there are any two numbers in the array can have the sum provided source Solution 第一种解法利用到了题目中说的数组是从小到大排列的顺序,拿头尾相加作为初始状态,然后与sum比较, »

Calendar Conflicts

Problem Given lists of events and their calendar, find all conflicted events source on YouTube Php solution This is solution from original youtube post 需要说明的是原题目里把continuous conflicted »