Monistus

input/code.cpp: In function 'std::string duplication(std::string)':
input/code.cpp:8:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |         for (int i = 0; i < result.length(); i++) {
      |                         ~~^~~~~~~~~~~~~~~~~

#include <iostream>
#include <string>

std::string duplication(std::string n) {
    std::string result = n;
    bool includes_numbers = true;
    while (includes_numbers) {
        for (int i = 0; i < result.length(); i++) {
            if (isdigit(result[i])) {
                int num = result[i] - '0' + i + 1;
                std::string string_after_number = result.substr(i + 1, num - i - 1);
                std::string string_before = result.substr(0, i);
                std::string string_after = result.substr(num, result.length() - num);
                result = string_before + string_after_number + string_after_number + string_after;
            }
        }
        includes_numbers = false;
        for (char c : result) {
            if (isdigit(c)) {
                includes_numbers = true;
                break;
            }
        }
    }
    return result;
}

int main() {
    std::string n;
    std::cin >> n;
    std::cout << duplication(n) << std::endl;
    return 0;
}

Test 1

Group: 1, 2

Verdict: TIME LIMIT EXCEEDED

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