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昨晚打得小号,虽然很菜,可是还是涨了些rating A. Arpa and a research in Mexican wave time limit per test 1 second memory limit per test 256 megabytes input standard input 阅读全文
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C - Together Time limit : 2sec / Memory limit : 256MB Score : 300 points Problem Statement You are given an integer sequence of length N, a1,a2,…,aN. 阅读全文
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A. Odds and Ends time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Odds and Ends time li 阅读全文
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这个就是卡特兰数的经典问题 直接用这个公式就好了,但是这个题涉及大数的处理h(n)=h(n-1)*(4*n-2)/(n+1) 其实见过好几次大数的处理了,有一次他存的恰好不多于30位,直接分成两部分long long 存了 这个只涉及到大数乘小数,大数除以小数,所以比较简单些 3551: Game 阅读全文
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上一场CF打到心态爆炸,这几天也没啥想干的 A Math Problem Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 0 Accepted S 阅读全文
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A. Kirill And The Game time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Kirill And The 阅读全文
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A - Ice Tea Store Time limit : 2sec / Memory limit : 256MB Score : 300 points Problem Statement You've come to your favorite store Infinitesco to buy 阅读全文
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3974: Region Time Limit(Common/Java):1000MS/3000MS Memory Limit:65536KByteTotal Submit: 33 Accepted:8 Description In geometry, lines and circles are b 阅读全文
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好晚好晚,还是不打了,这个时候我们看到了群友的神力,我这是赛后补题 A. Diversity time limit per test 1 second memory limit per test 256 megabytes input standard input output standard o 阅读全文
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A. Chess Tourney time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Berland annual chess tou 阅读全文
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AtCoder Regular Contest 081 C - Make a Rectangle Time limit : 2sec / Memory limit : 256MB Score : 300 points Problem Statement We have N sticks with n 阅读全文