leetcode

Solution to some Leetcode problems written in C++

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

0299.cpp (597B)

0 class Solution { 1 public: 2 string getHint(string secret, string guess) { 3 int n = secret.size(), cows = 0, bulls = 0; 4 unordered_map<char, int> ums; 5 for (int i = 0; i < n; i++) 6 if (guess[i] == secret[i]) 7 bulls++; 8 else 9 ums[secret[i]]++; 10 11 for (int i = 0; i < n; i++) { 12 if (guess[i] == secret[i]) 13 continue; 14 else if (ums[guess[i]] > 0) 15 cows++; 16 ums[guess[i]]--; 17 } 18 return to_string(bulls) + "A" + to_string(cows) + "B"; 19 } 20 };