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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. int distance(int a, int b, int c, int d) {
  6. 	int ans = 0;
  7. 	if (a > b) {
  8. 		swap(a, b);
  9. 	}
  10. 	if (c > d) {
  11. 		swap(c, d);
  12. 	}
  13. 	if (b < c || a > d) {
  14. 		ans = 0;
  15. 	} 
  16. 	else {
  17. 		int l = 0, r = 0;
  18. 		l = max(a, c);
  19. 		r = min(b, d);
  20. 		ans = r - l;
  21. 	}
  22. 	return ans;
  23. }
  24.  
  25. int main() {
  26. 	int x1, y1, x2, y2, x3, y3, x4, y4;
  27. 	cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> x4 >> y4;
  28. 	if (x1 != x2) {
  29. 		cout << (y1 < max(y3, y4) && y1 > min(y3, y4) ? distance(x1, x2, x3, x4) : 0); 
  30. 	}
  31. 	else {
  32. 		cout << (x1 < max(x3, x4) && x1 > min(x3, x4) ? distance(y1, y2, y3, y4) : 0);
  33. 	}
  34. 	return 0;
  35. }
Success #stdin #stdout 0s 4536KB
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https://ideone.com/xuJFG5
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
secret

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