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HDU 5910 Count primes
Problem Description Easy question! Calculate how many primes between [1...n]! Input Each line contain one integer n(1 Output For each case, output the number of primes in原创 2016-09-21 20:13:14 · 421 阅读 · 0 评论 -
HDU 5900 QSC and Master(区间DP)
Problem Description Every school has some legends, Northeastern University is the same. Enter from the north gate of Northeastern University，You are facing the main building of Northeastern Univ原创 2016-09-21 22:26:19 · 340 阅读 · 0 评论