My One Line C++ Solution
```\nclass Solution {\npublic:\n    bool isRectangleOverlap(vector& rec1, vector& rec2) {\n\treturn !(rec1[2] <= rec2[0] || rec1[1] >= rec2[3] || rec2[2] <= rec
```\nclass Solution {\npublic:\n    bool isRectangleOverlap(vector<int>& rec1, vector<int>& rec2) {\n\treturn !(rec1[2] <= rec2[0] || rec1[1] >= rec2[3] || rec2[2] <= rec1[0] || rec2[1] >= rec1[3]);      \n    }\n};
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