leetcode

Solution to some Leetcode problems written in C++

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

2001.cpp (316B)

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