Date:2019-03-25 19:36:45

判断一棵树是否为完全二叉树

 #include <queue>
using namespace std;
void IsComplete(node* root)
{
queue<node*> q;
q.push(root);
while(!q.empty())
{
root = q.front();
q.pop();
if(root)
{
q.push(root->lchild);
q.push(root->rchild);
}
else
{
while(!q.empty())
{
root = q.front();
q.pop();
if(root)
{
printf("No\n");
return ;
}
}
}
}
printf("Yes\n");
}

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