YLrmUgJG

1// Type your code here, or load an example.
2#include <iostream>
3#include <vector>
4#include <utility>
5#include <algorithm>
6#include <cctype>
7using namespace std;
8
9typedef pair <string,string> email;
10
11email split(string in){
12    int loc = in.find('@');
13    email res;
14    res.first = in.substr(0, loc);
15    transform(res.first.begin(), res.first.end(), res.first.begin(),
16    [](unsigned char c){ return std::tolower(c); });
17    res.second = in.substr(loc+1);
18    transform(res.second.begin(), res.second.end(), res.second.begin(),
19    [](unsigned char c){ return std::tolower(c); });
20    return res;
21}
22
23
24email clear(email in){
25    for(string::iterator it=in.first.begin(); it!=in.first.end(); ++it){
26        int dot_pos = in.first.find('.');
27        //cout << dot_pos << "\t" << in.first <<endl;
28        if(dot_pos > 0) in.first.erase(in.first.begin() + dot_pos);
29    }
30    int plus_pos = in.first.find('+');
31    in.first = in.first.substr(0, plus_pos);
32    //cout << plus_pos << "\t" << in.first << endl;
33    return in;
34}
35
36
37int main(){
38    int count;
39    cin >> count;
40    vector<string> in(count);
41    vector<email> out(count);
42    for(int i = 0; i < count; ++i){
43        string s;
44        cin >> s;
45        in.push_back(s);
46        email cur = split(s);
47        if(cur.second == "gmail.com") cur = clear(cur);
48        out.push_back(cur);
49        cout << cur.first << "\t" << cur.second << endl;
50    }
51
52    sort(out.begin(), out.end(), [](email a, email b) {
53        return a.first > b.first;
54    });
55
56
57    for(a in out)
58    return 0;
59}