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  1. #include <algorithm>
  2. #include <iostream>
  3. #include <string>
  4. #include <vector>
  5. int main() {
  6.   double k, k1, q, q1, x;
  7.   std::vector<int> m;
  8.   m.reserve(3);
  9.   for (int i = 0; i < 3; ++i) {
  10.     std::cin >> m[i];
  11.   }
  12.   std::vector<int> n;
  13.   n.reserve(3);
  14.   for (int i = 0; i < 3; ++i) {
  15.     std::cin >> n[i];
  16.   }
  17.   k = (m[1] - m[3]) / (m[0] - m[2]);
  18.   k1 = (n[1] - n[3]) / (n[0] - n[2]);
  19.   q = m[1] - m[0]*k;
  20.   q1 = n[1] - n[0]*k1;
  21.   if (k != k1) {
  22.     x = (q1 - q) / (k - k1);
  23.     if ((std::min(m[0], m[2]) <= x) && (x <= std::max(m[0], m[2])) &&
  24.     (std::min(n[0], n[2]) <= x) && (x <= std::max(n[0], n[2]))) {
  25.       std::cout << "YES";
  26.       return 0;
  27.     } else {
  28.         std::cout << "NO";
  29.         return 0;
  30.       }
  31.   } else {
  32.       if (q != q1) {
  33.         std::cout << "NO";
  34.         return 0;
  35.       } else {
  36.           if ((std::max(m[0], m[2]) >= std::min(n[0], n[2])) &&
  37.           (std::max(n[0], n[2]) >= std::min(m[0], m[2]))) {
  38.             std::cout << "YES";
  39.             return 0;
  40.           } else {
  41.               std::cout << "NO";
  42.               return 0;
  43.            }
  44.         }
  45.     }
  46. }
  47.  
Runtime error #stdin #stdout 0s 3428KB
comments (?)
stdin
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0 0 1 1
2 1 1 2
stdout
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Standard output is empty
https://ideone.com/Kypu45
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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