Language: C++

/*
    Once converted by scratch2cpp (https://github.com/yos1up/scratch2cpp).
    and then written in C++
*/
int GCD(int arg_A, int arg_B){
    int var_GCD;
    int var_GCD__A;
  int var_GCD__B;
    int A = arg_A;
    int B = arg_B;
    while (((var_GCD__A * var_GCD__B) != 0)){
        if ((var_GCD__A > var_GCD__B)){
            var_GCD__A = (var_GCD__A % var_GCD__B);
        } else {
            var_GCD__B = (var_GCD__B % var_GCD__A);
        }
    }
    var_GCD = (var_GCD__A + var_GCD__B);
    return var_GCD;
}

var_GCDmin = pow(10, Var(9));
var_i = 0;
for (int swqffaax=0;swqffaax<var_N.asNumber();swqffaax++){
   var_j = (var_i + Var(1));
   for (int eeyiwjks=0;eeyiwjks<((var_N - var_j) + Var(1)).asNumber();eeyiwjks++){
     if (GCD( < var_GCDmin)){
                var_GCDmin = var_GCD;
     }
     if ((var_GCDmin == Var(1))){
     }
     var_j += Var(1);
   }
     var_i += Var(1);
}

int main(){
    cin >> buf_answer;
    var_N = buf_answer;
    vector<int> list_a;
    list_a.clear();
    for (int hxhkotjq=0;hxhkotjq<var_N.asNumber();hxhkotjq++){
        cin >> buf_answer;
        list_a.push_back(buf_answer);
    }
    int var_GCDmin = pow(10, Var(9));
    int var_i = 0;
  int var_j;
    for (int swqffaax=0;swqffaax<var_N.asNumber();swqffaax++){
       var_j = (var_i + Var(1));
    for (int eeyiwjks=0;eeyiwjks<((var_N - var_j) + Var(1)).asNumber();eeyiwjks++){
        if (GCD(list_a(i), list_a(j) < var_GCDmin)){
                  var_GCDmin = var_GCD;
        }
        if ((var_GCDmin == 1)){
        }
     var_j += 1;
     }
     var_i += 1;
}
    cout << var_GCDmin << endl;
    return 0;
}

Compiler output:
a.cc:22:1: error: 'var_GCDmin' does not name a type
   22 | var_GCDmin = pow(10, Var(9));
      | ^~~~~~~~~~
a.cc:23:1: error: 'var_i' does not name a type
   23 | var_i = 0;
      | ^~~~~
a.cc:24:1: error: expected unqualified-id before 'for'
   24 | for (int swqffaax=0;swqffaax<var_N.asNumber();swqffaax++){
      | ^~~
a.cc:24:21: error: 'swqffaax' does not name a type
   24 | for (int swqffaax=0;swqffaax<var_N.asNumber();swqffaax++){
      |                     ^~~~~~~~
a.cc:24:47: error: 'swqffaax' does not name a type
   24 | for (int swqffaax=0;swqffaax<var_N.asNumber();swqffaax++){
      |                                               ^~~~~~~~
a.cc: In function 'int main()':
a.cc:38:5: error: 'cin' was not declared in this scope
   38 |     cin >> buf_answer;
      |     ^~~
a.cc:38:12: error: 'buf_answer' was not declared in this scope
   38 |     cin >> buf_answer;
      |            ^~~~~~~~~~
a.cc:39:5: error: 'var_N' was not declared in this scope
   39 |     var_N = buf_answer;
      |     ^~~~~
a.cc:40:5: error: 'vector' was not declared in this scope
   40 |     vector<int> list_a;
      |     ^~~~~~
a.cc:40:12: error: expected primary-expression before 'int'
   40 |     vector<int> list_a;
      |            ^~~
a.cc:41:5: error: 'list_a' was not declared in this scope
   41 |     list_a.clear();
      |     ^~~~~~
a.cc:46:30: error: 'Var' was not declared in this scope
   46 |     int var_GCDmin = pow(10, Var(9));
      |                              ^~~
a.cc:46:22: error: 'pow' was not declared in this scope
   46 |     int var_GCDmin = pow(10, Var(9));
      |                      ^~~
a.cc:52:24: error: 'i' was not declared in this scope
   52 |         if (GCD(list_a(i), list_a(j) < var_GCDmin)){
      |                        ^
a.cc:52:35: error: 'j' was not declared in this scope
   52 |         if (GCD(list_a(i), list_a(j) < var_GCDmin)){
      |                                   ^
a.cc:53:32: error: 'var_GCD' was not declared in this scope; did you mean 'var_j'?
   53 |                   var_GCDmin = var_GCD;
      |                                ^~~~~~~
      |                                var_j
a.cc:61:5: error: 'cout' was not declared in this scope
   61 |     cout << var_GCDmin << endl;
      |     ^~~~
a.cc:61:27: error: 'endl' was not declared in this scope
   61 |     cout << var_GCDmin << endl;
      |                           ^~~~