Chicken and rabbit in the same cage

鸡兔同笼

时间限制: 3 Sec 内存限制: 64 MB
题目描述

已知鸡和兔的总数量为n,总腿数为m.输入n和m,依次输出鸡和兔的数目,如果无解,则输出“No answer”(不要引号).
输入

Enter a data on the first linea,It represents the following sets of data,在接下来的(a<10)
a行里,每行都有一个n和m.(m>0,n<100)

输出
Output the number of chickens and rabbits,或者No answer

样例输入
2
14 32
10 16

样例输出
12 2
No answer

#include<stdio.h>
int main()
{
    int N;
    scanf("%d",&N);
    while(N--)
    {
        int n,m;
        int x,y=0;
        scanf("%d %d",&n,&m);
        for(x=1;x<=n;x++)
        {
            if(4*x+2*(n-x)==m)
            {
                printf("%d %d\n",n-x,x);
                y=1;
            }
        }
        if(y==0)
        printf("No answer\n");
    }
    return 0;
}