Submission #116991

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Source Code Expand

#include <math.h>
#include <stdio.h>

double area_tri ( double x1, double y1, double x2, double y2, double x3, double y3 ) {
	return fabs( ( x2 - x1 ) * ( y3 - y1 ) - ( y2 - y1 ) * ( x3 - x1 ) ) / 2.0;
}

int main( void ) {
	double xa, ya, xb, yb, xc, yc;

	scanf( "%lf %lf %lf %lf %lf %lf", &xa, &ya, &xb, &yb, &xc, &yc );

	printf( "%f\n", area_tri( xa, ya, xb, yb, xc, yc ) );

	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:11:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result