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原题接雨水Problem Description给定 n 个非负整数表示每个宽度为 1 的柱子的高度图，计算按此排列的柱子，下雨之后能接多少雨水。Sample1输入：height = [0,1,0,2,1,0,1,3,2,1,2,1]输出：6解释：上面是由数组 [0,1,0,2,1,0,1,3,2,1,2,1] 表示的高度图，在这种情况下，可以接 6 个单位的雨水（蓝色部分表示雨水）。Sample2输入：height = [4,2,0,3,2,5]输出：9Tipn == heig

题目链接：https://vjudge.net/problem/HDU-2266原题How Many Equations Can You Find Problem DescriptionNow give you an string which only contains 0, 1 ,2 ,3 ,4 ,5 ,6 ,7 ,8 ,9.You are asked to add the sign ...

原题Maths Problem DescriptionAndroid Vasya attends Maths classes. His group started to study the number theory recently. The teacher gave them several tasks as a homework. One of them is as follows....

原题Factorial FactorsProblem DescriptionGiven a positive integer N, we could effectively figure out all the factors of N,as N1,N2…NK are aggregate k factors of N(including 1 and N itself).This prob...

原题HRY and AbbasProblem DescriptionIn a parallel universe, HRY is the president of the Kassel Academy Student Union. Once he and the Lionheart Association President Abdullah Abbas performed a secre...