leetcode

Solution to some Leetcode problems written in C++

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

2244.cpp (327B)

1 class Solution { 2 public: 3 int minimumRounds(vector<int> &tasks) { 4 unordered_map<int, int> um; 5 for (int t : tasks) 6 um[t]++; 7 8 int round = 0; 9 for (auto [_, c] : um) { 10 if (c == 1) return -1; 11 round += (c - 1) / 3 + 1; 12 } 13 return round; 14 } 15 };