题目:
题解:
class Solution {
public:
int singleNumber(vector<int>& nums) {
int ret = 0;
for (auto e: nums) ret ^= e;
return ret;
}
};
题目:
题解:
class Solution {
public:
int singleNumber(vector<int>& nums) {
int ret = 0;
for (auto e: nums) ret ^= e;
return ret;
}
};