题目:
题解:
class Solution {
public:
int getSum(int a, int b) {
while (b != 0) {
unsigned int carry = (unsigned int)(a & b) << 1;
a = a ^ b;
b = carry;
}
return a;
}
};
题目:
题解:
class Solution {
public:
int getSum(int a, int b) {
while (b != 0) {
unsigned int carry = (unsigned int)(a & b) << 1;
a = a ^ b;
b = carry;
}
return a;
}
};
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