leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
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0111.cpp (528B)


      1 class Solution {
      2   public:
      3     int minDepth(TreeNode *root) {
      4         if (!root) return 0;
      5 
      6         queue<TreeNode *> q;
      7 
      8         q.push(root);
      9         for (int lvl = 1; !q.empty(); lvl++) {
     10             for (int t = q.size(); t > 0; t--) {
     11                 TreeNode *root = q.front();
     12                 q.pop();
     13                 if (!root->left && !root->right) return lvl;
     14                 if (root->left) q.push(root->left);
     15                 if (root->right) q.push(root->right);
     16             }
     17         }
     18         return -1;
     19     }
     20 };