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刚学C语言,为什么这个代码运行不了呢
鸡兔同笼
#include <stdio.h>
int main(void)
{
int n, m,a, b;
scanf("%d %d", &n,&m);
b= (m -2* n) / 2;
a = n - b;
if (a < 0 || b < 0);
puts("No answer");
else
puts("%d %d\n", a, b);
return 0;
}