Monistus

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

int main() {
    // Syötteen lukeminen
    std::string InputText;
    std::getline(std::cin, InputText);

    // Operaatiot
    while (std::any_of(InputText.begin(), InputText.end(), ::isdigit)) {
        for (size_t i = 0; i < InputText.length(); ++i) {
            if (std::isdigit(InputText[i])) {
                int d = InputText[i] - '0';
                std::string TextSnippet = InputText.substr(i + 1, d);
                InputText = InputText.substr(0, i) + TextSnippet + TextSnippet + InputText.substr(i + 1 + d);
                break;
            }
        }
    }

    // Tulosta tulos
    std::cout << InputText << std::endl;
    return 0;
}

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 1, 2

Verdict: ACCEPTED

Test 3

Group: 1, 2

Verdict: ACCEPTED

Test 4

Group: 1, 2

Verdict: ACCEPTED

Test 5

Group: 1, 2

Verdict: ACCEPTED

Test 6

Group: 1, 2

Verdict: ACCEPTED

Test 7

Group: 1, 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 11

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 2

Verdict: TIME LIMIT EXCEEDED