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GCD and LCMTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 1092Accepted Submission(s): 512Problem ... 阅读全文
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DifferenceTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 621Accepted Submission(s): 161Problem De... 阅读全文
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感觉自己DP确实太弱。。。Codeforces Round #156 (Div. 1)A. Almost Arithmetical Progression题意:在保持循序的情况下,从一个数组取出最多的数,这些数是交替出现的,例如,1,2,1,2,、。。dp[i][j] 表示前i 个数,第 j 个数和... 阅读全文