Monistus

input/code.cpp: In function 'void Boo(std::vector<char>&)':
input/code.cpp:9:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |     for (int i = 0; i < s.size(); ++i)
      |                     ~~^~~~~~~~~~

#include <iostream>
#include <vector>
#include <string>
using namespace std;

void Boo(vector<char>& s)
{
    vector<char> result;
    for (int i = 0; i < s.size(); ++i)
    {
        if (isdigit(s[i]))
        {
            int cn = s[i] - '0';
            for (int j = 0; j < cn; ++j)
                result.push_back(s[i + 1]);
            ++i;
        }
        else
            result.push_back(s[i]);
    }
    s = result;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    string soho;
    cin >> soho;

    vector<char> charles(soho.begin(), soho.end());

    Boo(charles);

    for (char leclerc : charles)
        cout << leclerc;

    return 0;
}

// >
// 82silisko
// 2silisko2silisko
// sisilisko2silisko
// sisiliskosisilisko
// sisiliskosisilisko


// mis3si1pi
// missi1si1pi
// mississi1pi
// mississippi

Test 1

Group: 1, 2

Verdict: WRONG ANSWER

Test 2

Group: 1, 2

Verdict: WRONG ANSWER

Test 3

Group: 1, 2

Verdict: WRONG ANSWER

Test 4

Group: 1, 2

Verdict: WRONG ANSWER

Test 5

Group: 1, 2

Verdict: WRONG ANSWER

Test 6

Group: 1, 2

Verdict: WRONG ANSWER

Test 7

Group: 1, 2

Verdict: WRONG ANSWER

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: WRONG ANSWER

Test 10

Group: 2

Verdict: WRONG ANSWER

Test 11

Group: 2

Verdict: WRONG ANSWER

Test 12

Group: 2

Verdict: WRONG ANSWER

Test 13

Group: 2

Verdict: WRONG ANSWER

Test 14

Group: 2

Verdict: WRONG ANSWER