codeforces 822A(java水水)
2017-07-20 15:44
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题目链接:http://codeforces.com/problemset/problem/822/A
题意:两数阶乘的近似gcd(最大公约数)
思路:没有说近似估计多少,那么答案其实就是最小那个数的阶乘
import java.util.*; import java.io.*; import java.math.*; public class Main { public static void main(String[] args) { Scanner cin=new Scanner(System.in); while(cin.hasNext()) { int a=cin.nextInt(); int b=cin.nextInt(); int min_num=0; BigInteger sum1=BigInteger.valueOf(1); if(a>b) min_num=b; else min_num=a; for(int i=1;i<=min_num;i++) { sum1=sum1.multiply(BigInteger.valueOf(i)); } System.out.println(sum1); } } }
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