a410: 解方程 FYI: https://yunlinsong.blogspot.com/2015/08/blog-post.html

a410.cpp

#include <cstdio>
using namespace std;
int main() {
	float a,b,c,d,e,f;
	
	while( scanf("%f%f%f%f%f%f",&a,&b,&c,&d,&e,&f) != EOF ){
		float det = a*e - b * d;
		float detX = c * e - b * f;
		float detY = a * f - c * d;
		if(det ==0 && detX ==0)
                printf("Too many\n");
        else if( det == 0)
                printf("No answer\n");
		else{
			printf("x=%.2f\n",detX / det);
			printf("y=%.2f\n",detY / det);
		}
	}
	return 0;
}