LeetCode 简单操作 | 389. Find the Difference

/*
* Leetcode389. Find the Difference
* Funtion: Given two strings s and t which consist of only lowercase letters.
String t is generated by random shuffling string s and then add one more letter at a random position.
Find the letter that was added in t.
* Example: Input:
s = "abcd"
t = "abcde"
Output:e
* Author: LKJ
* Date: 2017/3/01
* Hint:
*/
#include <iostream>
#include <vector>
#include <string>
#include <cmath>
#include <algorithm>

using namespace std;

class Solution {
public:
char findTheDifference(string s, string t) {
char res = 0;
for(int i = 0; i< s.length(); i++){
res ^= s[i];
}
for(int i = 0; i< t.length(); i++){
res ^= t[i];
}
return res;
}
};

int main(){
//int myarr[7] = {9, 9, 9, 9, 9, 9, 9};
//vector<int> myin(myarr,myarr+7);
string myin = "abc";
string myin1 = "abce";
char myout;
Solution SA;

//cout << "Please Enter" << endl;
//cin >> myin >> myin1;
myout = SA.findTheDifference(myin,myin1);
cout << myout << endl;

//    cout<<"VecOUT:"<<myout.size()<<endl;
//    for(unsigned int i = 0; i < myout.size(); i++){
//        for(vector<int>::iterator itt = myout[i].begin() ;itt!=myout[i].end(); itt++){
//            cout<<*itt<<"     ";
//        }
//        cout<<endl;
//    }
//    cout<<endl;

//    cout<<"VecOUT:"<<endl;
//    for(vector<int>::iterator it = myout.begin() ;it!=myout.end();it++){
//        cout<<*it<<"     ";
//    }
//    cout<<endl;

return 0;
}