Re: [閒聊] 每日LeetCode

[SecondRun (南爹摳打)]

201. Bitwise AND of Numbers Range

給你left跟right兩個整數

回傳left AND left+1 AND left+2 AND ... AND right


C# code:
public class Solution {
    public int RangeBitwiseAnd(int left, int right) {
        while(right > left) right &= right-1;
        return right;
    }
}

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