Submission #112187

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Source Code Expand

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

double area_tri ( double x0, double y0, double x1, double y1, double x2, double y2 ) {
	x1 -= x0;
	y1 -= y0;
	x2 -= x0;
	y2 -= y0;

	return fabs( ( x1 * y2 - y1 * x2 ) ) / 2.0;
}

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

	scanf( "%d %d %d %d %d %d", &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:16:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result