Language: C++

#include<stdio.h>
int main(){
????int i;
????scanf("%d",&i);
????printf("%d\n",i*i*i);
????return (0);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:1: error: expected primary-expression before '?' token
    3 | ????int i;
      | ^
a.cc:3:2: error: expected primary-expression before '?' token
    3 | ????int i;
      |  ^
a.cc:3:3: error: expected primary-expression before '?' token
    3 | ????int i;
      |   ^
a.cc:3:4: error: expected primary-expression before '?' token
    3 | ????int i;
      |    ^
a.cc:3:5: error: expected primary-expression before 'int'
    3 | ????int i;
      |     ^~~
a.cc:3:5: error: expected ':' before 'int'
    3 | ????int i;
      |     ^~~
      |     :
a.cc:3:5: error: expected primary-expression before 'int'
    3 | ????int i;
      |     ^~~
a.cc:3:5: error: expected ':' before 'int'
    3 | ????int i;
      |     ^~~
      |     :
a.cc:3:5: error: expected primary-expression before 'int'
    3 | ????int i;
      |     ^~~
a.cc:3:5: error: expected ':' before 'int'
    3 | ????int i;
      |     ^~~
      |     :
a.cc:3:5: error: expected primary-expression before 'int'
    3 | ????int i;
      |     ^~~
a.cc:3:5: error: expected ':' before 'int'
    3 | ????int i;
      |     ^~~
      |     :
a.cc:3:5: error: expected primary-expression before 'int'
    3 | ????int i;
      |     ^~~
a.cc:4:1: error: expected primary-expression before '?' token
    4 | ????scanf("%d",&i);
      | ^
a.cc:4:2: error: expected primary-expression before '?' token
    4 | ????scanf("%d",&i);
      |  ^
a.cc:4:3: error: expected primary-expression before '?' token
    4 | ????scanf("%d",&i);
      |   ^
a.cc:4:4: error: expected primary-expression before '?' token
    4 | ????scanf("%d",&i);
      |    ^
a.cc:4:17: error: 'i' was not declared in this scope
    4 | ????scanf("%d",&i);
      |                 ^
a.cc:4:19: error: expected ':' before ';' token
    4 | ????scanf("%d",&i);
      |                   ^
      |                   :
a.cc:4:19: error: expected primary-expression before ';' token
a.cc:4:19: error: expected ':' before ';' token
    4 | ????scanf("%d",&i);
      |                   ^
      |                   :
a.cc:4:19: error: expected primary-expression before ';' token
a.cc:4:19: error: expected ':' before ';' token
    4 | ????scanf("%d",&i);
      |                   ^
      |                   :
a.cc:4:19: error: expected primary-expression before ';' token
a.cc:4:19: error: expected ':' before ';' token
    4 | ????scanf("%d",&i);
      |                   ^
      |                   :
a.cc:4:19: error: expected primary-expression before ';' token
a.cc:5:1: error: expected primary-expression before '?' token
    5 | ????printf("%d\n",i*i*i);
      | ^
a.cc:5:2: error: expected primary-expression before '?' token
    5 | ????printf("%d\n",i*i*i);
      |  ^
a.cc:5:3: error: expected primary-expression before '?' token
    5 | ????printf("%d\n",i*i*i);
      |   ^
a.cc:5:4: error: expected primary-expression before '?' token
    5 | ????printf("%d\n",i*i*i);
      |    ^
a.cc:5:25: error: expected ':' before ';' token
    5 | ????printf("%d\n",i*i*i);
      |                         ^
      |                         :
a.cc:5:25: error: expected primary-expression before ';' token
a.cc:5:25: error: expected ':' before ';' token
    5 | ????printf("%d\n",i*i*i);
      |                         ^
      |                         :
a.cc:5:25: error: expected primary-expression before ';' token
a.cc:5:25: error: expected ':' before ';' token
    5 | ????printf("%d\n",i*i*i);
      |                         ^
      |                         :
a.cc:5:25: error: expected primary-expression before ';' token
a.cc:5:25: error: expected ':' before ';' token
    5 | ????printf("%d\n",i*i*i);
      |                         ^
      |                         :
a.cc:5:25: error: expected primary-expression before ';' token
a.cc:6:1: error: expected primary-expression before '?' token
    6 | ????return (0);
      | ^
a.cc:6:2: error: expected primary-expression before '?' token
    6 | ????return (0);
      |  ^
a.cc:6:3: error: expected primary-expression before '?' token
    6 | ????return (0);
      |   ^
a.cc:6:4: error: expected primary-expression before '?' token
    6 | ????return (0);
      |    ^
a.cc:6:5: error: expected primary-expression before 'return'
    6 | ????return (0);
      |     ^~~~~~
a.cc:6:5: error: expected ':' before 'return'
    6 | ????return (0);
      |     ^~~~~~
      |     :
a.cc:6:5: error: expected primary-expression before 'return'
    6 | ????return (0);
      |     ^~~~~~
a.cc:6:5: error: expected ':' before 'return'
    6 | ????return (0);
      |     ^~~~~~
      |     :
a.cc:6:5: error: expected primary-expression before 'return'
    6 | ????return (0);
      |     ^~~~~~
a.cc:6:5: error: expected ':' before 'return'
    6 | ????return (0);
      |     ^~~~~~
      |     :
a.cc:6:5: error: expected primary-expression before 'return'
    6 | ????return (0);
      |     ^~~~~~
a.cc:6:5: error: expected ':' before 'return'
    6 | ????return (0);
      |     ^~~~~~
      |     :
a.cc:6:5: error: expected primary-expression before 'return'
    6 | ????return (0);
      |     ^~~~~~