func_code_string: #include <bits/stdc++.h>   using namespace std;   int n;   int init[110];   string lst[110];   vector<int> fin;   int main() {     ios_base::sync_with_stdio(false);     cin >> n;     for (int i = (int)0; i < (int)n; ++i) cin >> lst[i];     for (int i = (int)0; i < (int)n; ++i) cin >> init[i];     bool flag = 1;     while (flag) {       flag = 0;       for (int i = (int)0; i < (int)n; ++i)         if (init[i] == 0) {           flag = 1;           fin.push_back(i + 1);           for (int j = (int)0; j < (int)n; ++j) init[j] -= lst[i][j] -  0 ;         }     }     cout << fin.size() << endl;     for (int ele : fin) cout << ele <<    ;     return 0;   }   