leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
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3191.cpp (401B)

      1 class Solution {
      2   public:
      3     int minOperations(vector<int> &nums) const {
      4         const int n = size(nums);
      5         int res = 0;
      6 
      7         for (int i = 0; i < n - 2; i++) {
      8             if (nums[i]) continue;
      9             nums[i + 1] = !nums[i + 1];
     10             nums[i + 2] = !nums[i + 2];
     11             res++;
     12         }
     13 
     14         if (!nums[n - 2] || !nums[n - 1]) return -1;
     15         return res;
     16     }
     17 };