随笔分类 - 思路题
摘要：Problem Description In many applications very large integers numbers are required. Some of these applications are using keys for secure transm...
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摘要：There is a special number sequence which has n+1 integers. For each number in sequence, we have two rules: ● a i ∈ 0,n0,n ● a i ≠ a j( i ≠ j ...
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摘要：费马大定理：当n>2时，不定方程an+bn=cn没有正整数解。比如a3+b3=c3没有正整数解。为了活跃气氛，我们不妨来个搞笑版：把方程改成a3+b3=c3，这样就有解了，比如a=4, b=9, c=79时43+93=793。输入两个整数x, y, 求满足x#include#incl...
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摘要：Recently, iSea went to an ancient country. For such a long time, it was the most wealthy and powerful kingdom in the world. As a result, the p...
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摘要：设2n张牌分别标记为1, 2, …, n, n+1, …, 2n，初始时这2n张牌按其标号从小到大排列。经一次洗牌后，原来的排列顺序变成n+1, 1, n+2, 2, …, 2n, n。即前n张牌被放到偶数位置2, 4, …, 2n，而后n张牌被放到奇数位置1, 3, …, 2n-1...
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摘要：time limit per test1 second memory limit per test256 megabytes inputstandard input outpu...
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