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xiaoxin juju needs help Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1159 Accepted Submission( 阅读全文
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定理:两个整数的最大公约数等于其中较小的那个数和两数的相除余数的最大公约数。最大公约数(greatest common divisor)缩写为gcd。 gcd(a,b) = gcd(b,a mod b) (不妨设a>b 且r=a mod b ,r不为0) 定理:两个整数的最大公约数等于其中较小的那个 阅读全文
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Queue Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 862 Accepted Submission(s): 449 Problem Des 阅读全文
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The k-th Largest Group Time Limit: 2000MS Memory Limit: 131072K Total Submissions: 8353 Accepted: 2712 Description Newman likes playing with cats. He 阅读全文