C++ 3 lines


  • -1
    B

    the left top corner always get incremented
    so the solution is the overlapped area for all input ops

    class Solution {
    public:
        int maxCount(int m, int n, vector<vector<int>>& ops) {
            for(auto e : ops)
            {
                m = min(m, e[0]);
                n = min(n, e[1]);
            }
            return m * n;
        }
    };

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