Pakkaus

#include <iostream>
#include <sstream>

using namespace std;

int main() {
    string x;
    cin >> x;
    string count;
    string torepeat;
    for(char c : x) {
        if(isdigit(c) && torepeat.empty()) {
            count+=c;
            //cout << "1";
        } else if (isdigit(c) && !torepeat.empty()) {
            for (int i = 0; i < stoi(count); i++) {
                cout << torepeat;
            }
            count.clear();
            torepeat.clear();
            count += c;
            //cout << "2";
        } else {
       //     cout << "3";
            torepeat+=c;
        } 
    }
    //cout << "COUNT:" << count;
    for (int i = 0; i < stoi(count); i++) {
        cout << torepeat;
    }
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: ACCEPTED

Test 12

Group: 3

Verdict: ACCEPTED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: ACCEPTED