Problem A: 零起点学算法16——鸡兔同笼

Posted 2021-01-10 chenlong991223

#include<stdio.h>
int main()
{
    int n,m,a,b;
    while(scanf("%d %d",&n,&m)!=EOF)
    a=(m-2*n)/2;
    b=(m-2*n)%2;
    if(a>0 && b==0)
    printf("%d %d
",n-a,a);
    else
    printf("No");
    return 0;
}