class Solution {
public:int getSum(int a, int b) {int sum a;while (b ! 0){sum a ^ b;//calculate sum of a and b without thinking the carry b (a & b) << 1;//calculate the carrya sum;//add sum(without carry) and carry}return sum;}
};
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题目: 参考解法:
法一:
This is the standard manual multiplication algorithm. We use two nested for loops, working backward from the end of each input number. We pre-allocate our result and accumulate our partial result in …
c99中新增加了一个类型定义,就是restrict。 restrict的定义是It can be applied only to pointers, and it indicates that a pointer is the sole initial means of accessing a data object. 我不知道确切应该怎么翻译,大意是restrict只对指针有用&…