1
class Solution {
2
 public:
3
  bool isRectangleOverlap(vector<int> &rec1, vector<int> &rec2) {
4
    int ax1 = rec1[0];
5
    int ay1 = rec1[1];
6
    int ax2 = rec1[2];
7
    int ay2 = rec1[3];
8

9
    int bx1 = rec2[0];
10
    int by1 = rec2[1];
11
    int bx2 = rec2[2];
12
    int by2 = rec2[3];
13

14
    int x5 = max(ax1, bx1);
15
    int y5 = max(ay1, by1);
16
    int x6 = min(ax2, bx2);
17
    int y6 = min(ay2, by2);
18
    if (x5 < x6 && y5 < y6) {
19
      return true;
20
    } else {
21
      return false;
22
    }
23
  }
24
};