Monistus

input/code.cpp: In function 'int main()':
input/code.cpp:17:24: warning: array subscript has type 'char' [-Wchar-subscripts]
   17 |             word_array[i] = a;
      |                        ^
input/code.cpp:19:24: warning: array subscript has type 'char' [-Wchar-subscripts]
   19 |             word_array[i] = "";
      |                        ^
input/code.cpp:24:28: warning: array subscript has type 'char' [-Wchar-subscripts]
   24 |                 word_array[i] += word_array[i+j];
      |                            ^
input/code.cpp:30:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     for (int i = 0; i < word.size(); i++)
      |                     ~~^~~~~~~~~~~~~

// https://cses.fi/484/task/B

#include <iostream>
using namespace std;
#define ll long long

int main() {
    string word;
    cin >> word;
    string word_array[word.size()];

    for (char i = word.size() - 1; i >= 0; i--)
    {
        char a = word[i];

        if (isalpha(a)) {
            word_array[i] = a;
        } else {
            word_array[i] = "";
            int number = int(a) - 48;

            for (int j = 1; j <= number; j++)
            {   
                word_array[i] += word_array[i+j];
            }
            
        }
    }

    for (int i = 0; i < word.size(); i++)
    {
        cout << word_array[i];    
    }

    
    
    
}

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 1, 2

Verdict: ACCEPTED

Test 3

Group: 1, 2

Verdict: WRONG ANSWER

Test 4

Group: 1, 2

Verdict: ACCEPTED

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