输入2个正整数A,B,求A与B的最大公约数。
Input2个数A,B,中间用空格隔开。(1<= A,B <= 10^9)Output输出A与B的最大公约数。Sample Input
30 105
Sample Output
15
#include<stdio.h>
int main()
{
int m, n, res;
while(scanf("%d%d", &m, &n) != EOF)
{
res = m%n;
while(res)
{
m = n;
n = res;
res = m%n;
}
printf("%d\n", n);
}
return 0;
}
#include<stdio.h>
int GCD(int a,int b){
while(b^=a^=b^=a%=b);
return a;
}
int main()
{
int m, n, res;
while(scanf("%d%d", &m, &n) != EOF)
{
printf("%d\n", GCD(m, n));
}
return 0;
}