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摘要： HDU2852 KiKi's K Number Problem Description For the k th number, we all should be very familiar with it. Of course,to kiki it is also simple. Now Kiki 阅读全文

摘要： HihoCoder1336 Matrix Sum 描述 You are given an N × N matrix. At the beginning every element is 0. Write a program supporting 2 operations: \1. Add x y v 阅读全文

摘要： CSU1770: 按钮控制彩灯实验 Description 应教学安排，yy又去开心的做电学实验了。实验的内容分外的简单一串按钮通过编程了的EEPROM可以控制一串彩灯。然而选择了最low的一种一对一的控制模式，并很快按照实验指导书做完实验的yy马上感觉到十分无趣。于是他手指在一排按钮上无聊的滑来滑 阅读全文

摘要： POJ2299 Ultra QuickSort Description In this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n disti 阅读全文

摘要： AtCoder Beginner Contest 106 D 题目 Problem Statement In Takahashi Kingdom, there is a east west railroad and N cities along it, numbered 1, 2, 3, ..., 阅读全文

摘要： AtCoder Beginner Contest 105 D Candy Distribution Problem Statement There are N boxes arranged in a row from left to right. The i th box from the left 阅读全文

摘要： AtCoder Beginner Contest 105 C Base 2 Number Problem Statement Given an integer N , find the base −2 representation of N . Here, S is the base −2 repr 阅读全文

摘要： HDU2087 剪花布条 一块花布条，里面有些图案，另有一块直接可用的小饰条，里面也有一些图案。对于给定的花布条和小饰条，计算一下能从花布条中尽可能剪出几块小饰条来呢？ Input 输入中含有一些数据，分别是成对出现的花布条和小饰条，其布条都是用可见ASCII字符表示的，可见的ASCII字符有多少个 阅读全文

摘要： UVaLive3942 Remember the Word Neal is very curious about combinatorial problems, and now here comes a problem about words. Knowing that Ray has a phot 阅读全文

摘要： HDU5763 Another Meaning As is known to all, in many cases, a word has two meanings. Such as “hehe”, which not only means “hehe”, but also means “excus 阅读全文