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问题:给定一个整数N,那么N的阶乘N!末尾有多少个0? 比如:N=10,N!=3628800,N!的末尾有2个0,写出算法。回答:int countZero(int N) { int ans = 0; int maxInt = 1000000000;//10^9 int tmpn = N; whil... 阅读全文
posted @ 2015-05-25 09:10
chaoer
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问题:在25匹马中,挑选最快的三匹马,每场比赛最多只能有5匹马一起参赛。请问最少需要进行多少场比赛?回答:至少需要进行7场比赛。给25匹马编号:A1 A2 A3 A4 A5 B1 B2 B3 B4 B5C1 C2 C3 C4 C5 D1 D2 D3 D4 D5E1 E2 E3 E4 E5按照A1-A... 阅读全文
posted @ 2015-05-25 08:37
chaoer
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问题:Tetris (Russian: Тeтрис) is a puzzle video game originally designed and programmed by Alexey Pajitnov in the Soviet Union. The Tetris game is a pop... 阅读全文
posted @ 2015-05-25 08:17
chaoer
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