Submission #16973

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
16973	2015-11-03 05:57:28	taehoon1018	초록색 삼각형 (YDX13_green)	C++98	0 / 1	0 ms	1084 KiB

C

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#include <stdio.h>
double area(int x1, int y1, int x2, int y2, int x3, int y3)
{
  double res = (x1*y2 + x2*y3 + x3*y1 - x2*y1 - x3*y2 - x1*y3)/(double)2;
  if (res < 0)
    res = -res;
  return res;
}
int main(void)
{
  int x[2000] = { 0 };
  int y[2000] = { 0 };
  int N = 0,count = 0;
  double sum = 0;
  scanf("%d", &N);
  for (int i = 0; i < N; i++)
  {
    scanf("%d%d", &x[i], &y[i]);
  }
  for (int a = 0; a < N-2;a++)
  {
    for (int b = a+1; b < N - 1;b++)
    {
      for (int c = b+1; c < N;c++)
      {
 
 
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• Subtask 1: 0 / 1