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注意!!此题解存在大量假算法,请各位巨佬明辨! [TOC] Problem A Digits Are Not Just Characters 题面 Mr. Manuel Majorana Minore made a number of files with numbers in their names 阅读全文
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"Codeforces Round 121 (Div. 1)" C. Fools and Roads time limit per test :2 seconds memory limit per test : 256 megabytes They say that Berland has exac 阅读全文
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题目 Rimi learned a new thing about integers, which is any positive integer greater than 1 can be divided by its divisors. So, he is now playing with th 阅读全文