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A. Straight «A» time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Noora is a student of one 阅读全文
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感谢crq兄弟搞了这次校赛,让我认识到了自己傻的时候确实傻的可爱。crq棒棒哒,我们OJ也十年多了,不容易啊。大家能用得上的时候确实要练好基本功啊。 5259: 多项式值统计 Time Limit(Common/Java):1000MS/3000MS Memory Limit:65536KByteT 阅读全文
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|A∪B∪C|=|A|+|B|+|C|-|A∩B|-|A∩C|-|B∩C|+|A∩B∩C| 这个是集合的容斥,交集差集什么的,这个在概率论经常用到吧 4008: The Leaf Eaters Time Limit(Common/Java):5000MS/15000MS Memory Limit:6 阅读全文
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粘贴两个特别简单的冒泡排序 2014: Scramble Sort Description In this problem you will be given a series of lists containing both words and numbers. The goal is to so 阅读全文
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A. Lucky Year time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Lucky Year time limit pe 阅读全文
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A. Buying A House time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Buying A House time 阅读全文
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这套题是叉姐出的,好难啊,先扫一遍好像没有会做的题了,仔细一想好像D最容易哎 Super Resolution Accepted : 112 Submit : 178 Time Limit : 1000 MS Memory Limit : 65536 KB Super Resolution Supe 阅读全文
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这次的前三题挺简单的,可是我做的不快也不对。 A. Bank Robbery time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A 阅读全文
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欧几里得算法就是我们常说的辗转相除法,辗转相除法可以用来求最大公约数,知道最大公约数还可以求最小公倍数。gcd在好像也有库函数__gcd int Gcd(int a, int b) { while(b != 0) { int r = b; b = a % b; a = r; } return a; 阅读全文
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a+b = a^b + (a&b)<<1 用位运算实现两数相加 int Add(int a,int b) { return b?Add(a^b,(a&b)<<1):a; } 位运算实现两数相减 int MINUS(int a,int b) { return b?MINUS(a^b,((a^b)&b) 阅读全文
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C. Fountains time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Fountains time limit per 阅读全文
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D. Field expansion time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output D. Field expansion tim 阅读全文
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我从来没想过自己可以被支配的这么惨,大神讲这个场不容易掉分的啊 A. Carrot Cakes time limit per test 1 second memory limit per test 256 megabytes input standard input output standard 阅读全文
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D. Dynamic Problem Scoring time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output D. Dynamic Pr 阅读全文
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4689: Sawtooth Time Limit(Common/Java):1000MS/3000MS Memory Limit:65536KByteTotal Submit: 26 Accepted:8 Description 给予一条直线,最多可以将一个无限大平面分为两块,而两条直线,最多可以 阅读全文
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D - Throwing cards away I Given is an ordered deck of n cards numbered 1 to n with card 1 at the top and card n at the bottom. The following operation 阅读全文
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F - Compound Words You are to find all the two-word compound words in a dictionary. A two-word compound word is a word in the dictionary that is the c 阅读全文
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3134: 渊子赛马修改版 Time Limit(Common/Java):1000MS/3000MS Memory Limit:65536KByteTotal Submit: 458 Accepted:148 Description 赛马是一古老的游戏,早在公元前四世纪的中国,处在诸侯割据的状态, 阅读全文
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5065: 最长连续子序列 Time Limit(Common/Java):1000MS/3000MS Memory Limit:65536KByteTotal Submit: 140 Accepted:29 Description 给定一系列非负整数,求最长的连续子序列,使其和是7的倍数。 Inp 阅读全文
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Largest Rectangle in a Histogram Largest Rectangle in a Histogram Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 21708 Accepted: 7003 Desc 阅读全文