Simple
IntuitionApproachComplexity
Time complexity:

Space complexity:
Code
# Intuition
<!-- Describe your first thoughts on how to solve this problem. -->

# Approach
<!-- Describe your approach to solving the problem. -->

# Complexity
- Time complexity:
<!-- Add your time complexity here, e.g. $$O(n)$$ -->

- Space complexity:
<!-- Add your space complexity here, e.g. $$O(n)$$ -->

# Code
```cpp []
class Solution {
public:
    bool isRectangleOverlap(vector<int>& r1, vector<int>& r2) {
        return r1[0]<r2[2]&&r2[0]<r1[2]&&r1[1]<r2[3]&&r2[1]<r1[3];
    }
};
```
['C++']