Submission #57287

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Source Code Expand

#include <iostream>
#include <string>
#include <algorithm>

using namespace std;

int main()
{
    string s, t;
    cin >> s;
    reverse(s.begin(), s.end());
    for (size_t i = 0; i < s.size(); i++) {
        if (t.find(s[i]) == string::npos) {
            t = string(1, s[i]) + t;
        }
    }
    for (char c = 'A'; c <= 'H'; c++) {
        if (t.find(c) == string::npos) {
            t = string(1, c) + t;
        }
    }
    cout << t << endl;

    return 0;
}

Submission Info

Judge Result