题解 | #不用加减乘除做加法#
不用加减乘除做加法
http://www.nowcoder.com/practice/59ac416b4b944300b617d4f7f111b215
public class Solution { public int Add(int num1,int num2) { while(num2 != 0) { int n1 = num1; int n2 = num2; num1 = n1 ^ n2; num2 = (n1 & n2) << 1; }
return num1;
}
}
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