Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:3:1: error: expected primary-expression before '?' token
    3 | ????????int x;
      | ^
a.cc:3:2: error: expected primary-expression before '?' token
    3 | ????????int x;
      |  ^
a.cc:3:3: error: expected primary-expression before '?' token
    3 | ????????int x;
      |   ^
a.cc:3:4: error: expected primary-expression before '?' token
    3 | ????????int x;
      |    ^
a.cc:3:5: error: expected primary-expression before '?' token
    3 | ????????int x;
      |     ^
a.cc:3:6: error: expected primary-expression before '?' token
    3 | ????????int x;
      |      ^
a.cc:3:7: error: expected primary-expression before '?' token
    3 | ????????int x;
      |       ^
a.cc:3:8: error: expected primary-expression before '?' token
    3 | ????????int x;
      |        ^
a.cc:3:9: error: expected primary-expression before 'int'
    3 | ????????int x;
      |         ^~~
a.cc:3:9: error: expected ':' before 'int'
    3 | ????????int x;
      |         ^~~
      |         :
a.cc:3:9: error: expected primary-expression before 'int'
    3 | ????????int x;
      |         ^~~
a.cc:3:9: error: expected ':' before 'int'
    3 | ????????int x;
      |         ^~~
      |         :
a.cc:3:9: error: expected primary-expression before 'int'
    3 | ????????int x;
      |         ^~~
a.cc:3:9: error: expected ':' before 'int'
    3 | ????????int x;
      |         ^~~
      |         :
a.cc:3:9: error: expected primary-expression before 'int'
    3 | ????????int x;
      |         ^~~
a.cc:3:9: error: expected ':' before 'int'
    3 | ????????int x;
      |         ^~~
      |         :
a.cc:3:9: error: expected primary-expression before 'int'
    3 | ????????int x;
      |         ^~~
a.cc:3:9: error: expected ':' before 'int'
    3 | ????????int x;
      |         ^~~
      |         :
a.cc:3:9: error: expected primary-expression before 'int'
    3 | ????????int x;
      |         ^~~
a.cc:3:9: error: expected ':' before 'int'
    3 | ????????int x;
      |         ^~~
      |         :
a.cc:3:9: error: expected primary-expression before 'int'
    3 | ????????int x;
      |         ^~~
a.cc:3:9: error: expected ':' before 'int'
    3 | ????????int x;
      |         ^~~
      |         :
a.cc:3:9: error: expected primary-expression before 'int'
    3 | ????????int x;
      |         ^~~
a.cc:3:9: error: expected ':' before 'int'
    3 | ????????int x;
      |         ^~~
      |         :
a.cc:3:9: error: expected primary-expression before 'int'
    3 | ????????int x;
      |         ^~~
a.cc:4:1: error: expected primary-expression before '?' token
    4 | ????????scanf("%d",&x);
      | ^
a.cc:4:2: error: expected primary-expression before '?' token
    4 | ????????scanf("%d",&x);
      |  ^
a.cc:4:3: error: expected primary-expression before '?' token
    4 | ????????scanf("%d",&x);
      |   ^
a.cc:4:4: error: expected primary-expression before '?' token
    4 | ????????scanf("%d",&x);
      |    ^
a.cc:4:5: error: expected primary-expression before '?' token
    4 | ????????scanf("%d",&x);
      |     ^
a.cc:4:6: error: expected primary-expression before '?' token
    4 | ????????scanf("%d",&x);
      |      ^
a.cc:4:7: error: expected primary-expression before '?' token
    4 | ????????scanf("%d",&x);
      |       ^
a.cc:4:8: error: expected primary-expression before '?' token
    4 | ????????scanf("%d",&x);
      |        ^
a.cc:4:21: error: 'x' was not declared in this scope
    4 | ????????scanf("%d",&x);
      |                     ^
a.cc:4:23: error: expected ':' before ';' token
    4 | ????????scanf("%d",&x);
      |                       ^
      |                       :
a.cc:4:23: error: expected primary-expression before ';' token
a.cc:4:23: error: expected ':' before ';' token
    4 | ????????scanf("%d",&x);
      |                       ^
      |                       :
a.cc:4:23: error: expected primary-expression before ';' token
a.cc:4:23: error: expected ':' before ';' token
    4 | ????????scanf("%d",&x);
      |                       ^
      |                       :
a.cc:4:23: error: expected primary-expression before ';' token
a.cc:4:23: error: expected ':' before ';' token
    4 | ????????scanf("%d",&x);
      |                       ^
      |                       :
a.cc:4:23: error: expected primary-expression before ';' token
a.cc:4:23: error: expected ':' before ';' token
    4 | ????????scanf("%d",&x);
      |                       ^
      |                       :
a.cc:4:23: error: expected primary-expression before ';' token
a.cc:4:23: error: expected ':' before ';' token
    4 | ????????scanf("%d",&x);
      |                       ^
      |                       :
a.cc:4:23: error: expected primary-expression before ';' token
a.cc:4:23: error: expected ':' before ';' token
    4 | ????????scanf("%d",&x);
      |                       ^
      |                       :
a.cc:4:23: error: expected primary-expression before ';' token
a.cc:4:23: error: expected ':' before ';' token
    4 | ????????scanf("%d",&x);
      |                       ^
      |                       :
a.cc:4:23: error: expected primary-expression before ';' token
a.cc:5:1: error: expected primary-expression before '?' token
    5 | ????????x=x*x*x;
      | ^
a.cc:5:2: error: expected primary-expression before '?' token
    5 | ????????x=x*x*x;
      |  ^
a.cc:5:3: error: expected primary-expression before '?' token
    5 | ????????x=x*x*x;
      |   ^
a.cc:5:4: error: expected primary-expression before '?' token
    5 | ????????x=x*x*x;
      |    ^
a.cc:5:5: error: expected primary-expression before '?' token
    5 | ????????x=x*x*x;
      |     ^
a.cc:5:6: error: expected primary-expression before '?' token
    5 | ????????x=x*x*x;
      |      ^
a.cc:5:7: error: expected primary-expression before '?' token
    5 | ????????x=x*x*x;
      |       ^
a.cc:5:8: error: expected primary-expression before '?' token
    5 | ????????x=x*x*x;
      |        ^
a.cc:5:16: error: expected ':' before ';' token
    5 | ????????x=x*x*x;
      |                ^
      |                :
a.cc:5:16: error: expected primary-expression before ';' token
a.cc:5:16: error: expected ':' before ';' token
    5 | ????????x=x*x*x;
      |                ^
      |                :
a.cc:5:16: error: expected primary-expression before ';' token
a.cc:5:16: error: expected ':' before ';' token
    5 | ????????x=x*x*x;
      |                ^
      |                :
a.cc:5:16: error: expected primary-expression before ';' token
a.cc:5:16: error: expected ':' before ';' token
    5 | ????????x=x*x*x;
      |                ^
      |                :
a.cc:5:16: error: expected primary-expression before ';' token
a.cc:5:16: error: expected ':' before ';' token
    5 | ????????x=x*x*x;
      |                ^
      |                :
a.cc:5:16: error: expected primary-expression before ';' token
a.cc:5:16: error: expected ':' before ';' token
    5 | ????????x=x*x*x;
      |                ^
      |                :
a.cc:5:16: error: expected primary-expression before ';' token
a.cc:5:16: error: expected ':' before ';' token
    5 | ????????x=x*x*x;
      |                ^
      |                :
a.cc:5:16: error: expected primary-expression before ';' token
a.cc:5:16: error: expected ':' before ';' token
    5 | ????????x=x*x*x;
      |                ^
      |                :
a.cc:5:16: error: expected primary-expression before ';' token
a.cc:6:1: error: expected primary-expression before '?' token
    6 | ????????printf("%d\n",x);
      | ^
a.cc:6:2: error: expected primary-expression before '?' token
    6 | ????????printf("%d\n",x);
      |  ^
a.cc:6:3: error: expected primary-expression before '?' token
    6 | ????????printf("%d\n",x);
      |   ^
a.cc:6:4: error: expected primary-expression before '?' token
    6 | ????????printf("%d\n",x);
      |    ^
a.cc:6:5: error: expected primary-expression before '?' token
    6 | ????????printf("%d\n",x);
      |     ^
a.cc:6:6: error: expected primary-expression before '?' token
    6 | ????????printf("%d\n",x);
      |      ^
a.cc:6:7: error: expected primary-expression before '?' token
    6 | ????????printf("%d\n",x);
      |       ^
a.cc:6:8: error: expected primary-expression before '?' token
    6 | ????????printf("%d\n",x);
      |        ^
a.cc:6:25: error: expected ':' before ';' token
    6 | ????????printf("%d\n",x);
      |                         ^
      |                         :
a.cc:6:25: error: expected primary-expression before ';' token
a.cc:6:25: error: expected ':' before ';' token
    6 | ????????printf("%d\n",x);
      |                         ^
      |                         :
a.cc:6:25: error: expected primary-expression before ';' token
a.cc:6:25: error: expected ':' before ';' token
    6 | ????????printf("%d\n",x);
      |                         ^
      |                         :
a.cc:6:25: error: expected primary-expression before ';' token
a.cc:6:25: error: expected ':' before ';' token
    6 | ????????printf("%d\n",x);
      |                         ^
      |                         :
a.cc:6:25: error: expected primary-expression before ';' token
a.cc:6:25: error: expected ':' before ';' token
    6 | ????????printf("%d\n",x);
      |                         ^
      |                         :
a.cc:6:25: error: expected primary-expression before ';' token
a.cc:6:25: error: expected ':' before ';' token
    6 | ????????printf("%d\n",x);
      |                         ^
      |                         :
a.cc:6:25: error: expected primary-expression before ';' token
a.cc:6:25: error: expected ':' before ';' token
    6 | ????????printf("%d\n",x);
      |                         ^
      |                         :
a.cc:6:25: error: expected primary-expression before ';' token
a.cc:6:25: error: expected ':' before ';' token
    6 | ????????printf("%d\n",x);
      |                         ^
      |                         :
a.cc:6:25: error: expected primary-expression before ';' token
a.cc:7:1: error: expected primary-expression before '?' token
    7 | ????????return 0;
      | ^
a.cc:7:2: error: expected primary-expression before '?' token
    7 | ????????r