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题意：给你一个n个数的序列，要求从中找出含m个数的严格递增子序列，求能找出多少种不同的方案dp[i][j]表示以第i个数结尾，形成的严格递增子序列长度为j的方案数那么最终的答案应该就是sigma(dp[i][m]);显然有：dp[i][j] = sigma(dp[k][j - 1]); 其中 1 #... 阅读全文
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Accept: 8Submit: 18Time Limit: 5000 mSecMemory Limit : 65536 KBProblem Description人在做，天在看，单纵不怂保平安众娘皆为轮回来，敢教POI进夜战。勿怪战列低智商，航母不是一个样？假摔不虚有损管，大破进击是真相！老S最近... 阅读全文
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Time Limit:2000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeCodeForces 519EDescriptionA and B are preparing themselves for ... 阅读全文
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Time Limit: 1500/1000 MS (Java/Others)Memory Limit: 65535/102400 K (Java/Others)Total Submission(s): 250Accepted Submission(s): 169Problem Description... 阅读全文
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Time Limit:2 Seconds Memory Limit:65536 KBWhen we are focusing on solving problems, we usually prefer to stay in front of computers rather than go out... 阅读全文
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PondsTime Limit: 1500/1000 MS (Java/Others)Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 533Accepted Submission(s): 175Problem Descr... 阅读全文
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Pyramid SplitTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 104Accepted Submission(s): 50Problem ... 阅读全文
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Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 1509Accepted Submission(s): 592Problem Descripti... 阅读全文
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This problem is about a war game between two countries. To protect a base, your country built a defense system called “Tactical Multiple Defense Syste... 阅读全文
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Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2048Accepted Submission(s): 805Problem Description... 阅读全文
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Time Limit:2000MSMemory Limit:65536KB64bit IO Format:%lld & %lluSubmitStatusPracticeZOJ 3795DescriptionSuppose there areNpeople in ZJU, whose ages are... 阅读全文
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DescriptionRead the program below carefully then answer the question.#pragma comment(linker, "/STACK:1024000000,1024000000")#include #include#include ... 阅读全文
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time limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputDZY has a sequencea, consisting ofnintegers.We'll... 阅读全文
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Soldier and Number GameTime Limit:3000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeCodeForces 546DDescriptionTwo soldiers a... 阅读全文
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H -Vasya and BasketballTime Limit:2000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeCodeForces 493CDescriptionVasya follows ... 阅读全文