leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
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2243.cpp (415B)

      1 class Solution {
      2   public:
      3     string digitSum(string s, int k) {
      4         while (s.size() > k) {
      5             string tmp = "";
      6             for (int i = 0; i < s.size();) {
      7                 int sum = 0;
      8                 for (int j = 0; j < k && i < s.size(); i++, j++)
      9                     sum += s[i] - '0';
     10                 tmp += to_string(sum);
     11             }
     12             s = tmp;
     13         }
     14         return s;
     15     }
     16 };