leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
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1945.cpp (416B)

      1 class Solution {
      2     static int sum(int n) {
      3         int res = 0;
      4 
      5         while (n > 0) {
      6             res += n % 10;
      7             n /= 10;
      8         }
      9 
     10         return res;
     11     }
     12 
     13   public:
     14     int getLucky(const string &s, int k) const {
     15         int res = 0;
     16 
     17         for (const char c : s)
     18             res += sum(c - '`');
     19         for (int i = 1; i < k; i++)
     20             res = sum(res);
     21 
     22         return res;
     23     }
     24 };