Submission #1316161

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Source Code Expand

#pragma warning(disable:4996)
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#define MAX_STRING 1000

int main() {


	double x1=0;
	double y1=0;
	double x2=0;
	double y2=0;
	double x3=0;
	double y3=0;
	char sInput[MAX_STRING+1]="";
	char* psInput;

	double triangle=0;

	gets(sInput);
	psInput=strtok(sInput," ");
	x1=atof(psInput);
	psInput=strtok(NULL," ");
	y1=atof(psInput);

	psInput=strtok(NULL," ");
	x2=atof(psInput);
	psInput=strtok(NULL," ");
	y2=atof(psInput);

	psInput=strtok(NULL," ");
	x3=atof(psInput);
	psInput=strtok(NULL," ");
	y3=atof(psInput);

	x2=x2-x1;
	x3=x3-x1;
	x1=x1-x1;
	y2=y2-y1;
	y3=y3-y1;
	y1=y1-y1;

	triangle = fabs((x2*y3)-(y2*x3))/2;

	printf("%.1f\n",triangle);
    return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:22:2: warning: implicit declaration of function ‘gets’ [-Wimplicit-function-declaration]
  gets(sInput);
  ^
/tmp/ccTWjjI5.o: In function `main':
Main.c:(.text.startup+0x39): warning: the `gets' function is dangerous and should not be used.

Judge Result