Submission #3776177

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

int main(int argc, char *argv[]) {
        string A;
        cin >> A;
        int size = A.size();
        string idx = "abcdefghijklmnopqrstuvwxyz";

        if (size == 1) {
                if (A[0] == 'a') {
                        cout << -1 << endl;
                } else {
                        cout << idx[A[0] - 'a' - 1] << endl;
                }
        } else {
                cout << A.substr(0, size - 1) << endl;
        }

        return 0;
}

Submission Info

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