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CF 366a Dima and Guards
F - Dima and Guards Time Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Description Nothing has changed since the last round. Dima and Inna st原创 2016-08-22 19:24:18 · 295 阅读 · 0 评论 -
CodeForces 554B Ohana Cleans Up
Ohana Cleans Up Time Limit:2000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 554B Description Ohana Matsumae is trying to clean a原创 2016-08-22 20:40:40 · 378 阅读 · 0 评论 -
CodeForces 660A Co-prime Array
Co-prime Array Time Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 660A Description You are given an array of n elements原创 2016-08-22 20:44:53 · 240 阅读 · 0 评论 -
CodeForces 597A Divisibility
Time Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 597A Description Find the number of k-divisible numbers on the segmen原创 2016-08-23 20:32:14 · 322 阅读 · 0 评论 -
CodeForces 598A Tricky Sum
Description In this problem you are to calculate the sum of all integers from 1 to n, but you should take all powers of two with minus in the sum. For example, for n = 4 the sum is equal to - 1 -原创 2016-08-23 20:24:00 · 309 阅读 · 0 评论 -
CF 685A Bear and Reverse Radewoosh
Bear and Reverse Radewoosh Time Limit:2000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Description Limak and Radewoosh are going to compete against ea原创 2016-08-22 19:32:45 · 415 阅读 · 0 评论