Difference between p == nullptr and !p

soulmachine / leetcode

LeetCode题解，151道题完整版。

BSD 3-Clause "New" or "Revised" License

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Open billlipeng opened 9 years ago

billlipeng commented 9 years ago

Suppose p is a pointer. The running time for if(p==nullptr) and if(!p) are different in Leetcode. Is this a bug in Leetcode.