守林鸟

摘要： 循环多少次？ Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6539 Accepted Submission(s): 2524 Problem 阅读全文

摘要： 算法训练 最大最小公倍数 时间限制：1.0s 内存限制：256.0MB 问题描述 已知一个正整数N，问从1~N中任选出三个数，他们的最小公倍数最大可以为多少。 输入格式 输入一个正整数N。 输出格式 输出一个整数，表示你找到的最小公倍数。 样例输入 9 样例输出 504 数据规模与约定 1 <= N 阅读全文

摘要： Turing Tree Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7323 Accepted Submission(s): 2654 Pro 阅读全文

摘要： Longge is good at mathematics and he likes to think about hard mathematical problems which will be solved by some graceful algorithms. Now a problem c 阅读全文

摘要： The greatest common divisor GCD(a,b) of two positive integers a and b,sometimes written (a,b),is the largest divisor common to a and b,For example,(1, 阅读全文

摘要： 逆元概念:p是素数，在%p的情况下，如果 ( a*inv(a) ) ≡ 1 (%p)，则inv(a)是a的乘法逆元 费马小定理概念：如果p是素数，a和p互质，即gcd(a,p)=1，则 a^(p-1)≡ 1 ( %p ) 则a^(p-2) (mod p) 就是a在模p意义下的逆元 费马小定理下，in 阅读全文

摘要： YAPTCHA Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1490 Accepted Submission(s): 811 Problem 阅读全文

摘要： Tina Town is a friendly place. People there care about each other. Tina has a ball called zball. Zball is magic. It grows larger every day. On the fir 阅读全文

摘要： https://vjudge.net/problem/HDU-3579 Hello Kiki Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 54 阅读全文

摘要： X问题 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8416 Accepted Submission(s): 3066 Problem Des 阅读全文