leetcode

Solution to some Leetcode problems written in C++

git clone git://git.dimitrijedobrota.com/leetcode.git

2001.cpp (316B)

1 class Solution { 2 public: 3 long long interchangeableRectangles(const vector<vector<int>> &rectangles) const { 4 unordered_map<double, int> um; 5 long long res = 0; 6 7 for (const auto &rec : rectangles) { 8 res += um[(double)rec[0] / rec[1]]++; 9 } 10 11 return res; 12 } 13 };