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A sequence of N positive integers (10 < N < 100 000), each of them less than or equal 10000, and a positive integer S (S < 100 000 000) are given. Wri 阅读全文
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You are given a string ss consisting of nn lowercase Latin letters. Polycarp wants to remove exactly kkcharacters (k≤nk≤n) from the string ss. Polycar 阅读全文
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给出2个数M和N(M < N),且M与N互质,找出一个数K满足0 < K < N且K * M % N = 1,如果有多个满足条件的,输出最小的。 Input 输入2个数M, N中间用空格分隔(1 <= M < N <= 10^9) Output 输出一个数K,满足0 < K < N且K * M % 阅读全文
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UMR 现在手里有 n 张康纳的表情,最上面一张是玛吉呀巴库乃。现在 UMR 如果每次把最上面的 m 张牌移到最下面而不改变他们的顺序及朝向,那么至少经过多少次移动玛吉呀巴库乃才会又出现在最上面呢? UMR 现在手里有 n 张康纳的表情,最上面一张是玛吉呀巴库乃。现在 UMR 如果每次把最上面的 m 阅读全文
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Whuacmers use coins.They have coins of value A1,A2,A3...An Silverland dollar. One day Hibix opened purse and found there were some coins. He decided t 阅读全文