UVa 12894 - Perfect Flag

Accepted date: 2016-09-23
Run Time: 0.000
Ranking (as of 2016-09-23): 172 out of 382
Language: C++

/*
  UVa 12894 - Perfect Flag

  To build using Visual Studio 2012:
    cl -EHsc -O2 UVa_12894_Perfect_Flag.cpp
*/

#include <cstdio>

int main()
{
  int T;
  scanf("%d", &T);
  while (T--) {
    int x0, y0, x1, y1, cx, cy, r;
    scanf("%d %d %d %d %d %d %d", &x0, &y0, &x1, &y1, &cx, &cy, &r);
    int l = x1 - x0, w = y1 - y0;
    bool valid = l && w && l * 6 == w * 10 && l == r * 5 &&
      l * 9 == (cx - x0) * 20 && w == (cy - y0) * 2;
    puts((valid) ? "YES" : "NO");
  }
  return 0;
}