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2 years ago
737 B
4
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Never
#include<stdio.h>
int main(){
	double a1, b1, c1, a2, b2, c2;
    double D, Dx, Dy, x, y;
    scanf("%lf", &a1);
    scanf("%lf", &b1);
    scanf("%lf", &c1);
    scanf("%lf", &a2);
    scanf("%lf", &b2);
    scanf("%lf", &c2);
    D = a1 * b2 - a2 * b1;
    Dx = c1 * b2 - c2 * b1;
    Dy = a1 * c2 - a2 * c1;
    if (D == 0) {
        if (Dx == 0 && Dy == 0)
            printf("VOSONGHIEM");
        else if (Dy = !0)
            printf("VONGHIEM");
        else if (Dx != 0)
            printf("VONGHIEM");
    }
    else {
        x = (double)Dx / D;
        y = (double)Dy / D;
        if(x == -0.0 ) x = fabs(x);
		if(y == -0.0 ) y = fabs(y);
        printf("%.2lf %.2lf", x, y);
    }
    return 0;
}