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dlgusdn616/exit_cond.c Secret

Created November 16, 2018 14:17
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exit_cond.c
/**
* if (root->left == NULL && root->right == NULL) // 왼쪽 서브트리와 오른쪽 서브트리가 없을 때
* if (root == NULL) or if (!root) // 방문을 했는데 존재하지 않는 노드였을 경우
*/
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