foo.cc: In function 'int main()':
foo.cc:8:11: error: expected ':' before 'case'
    8 |   case 100
      |           ^
      |           :
    9 |   case 90
      |   ~~~~     
foo.cc:9:10: error: expected ':' before 'cout'
    9 |   case 90
      |          ^
      |          :
   10 |    cout<<"A";
      |    ~~~~   
foo.cc:11:4: error: break statement not within loop or switch
   11 |    break;
      |    ^~~~~
foo.cc:12:3: error: case label '89' not within a switch statement
   12 |   case 89
      |   ^~~~
foo.cc:12:10: error: expected ':' before 'case'
   12 |   case 89
      |          ^
      |          :
   13 |   case 80
      |   ~~~~    
foo.cc:13:3: error: case label '80' not within a switch statement
   13 |   case 80
      |   ^~~~
foo.cc:13:10: error: expected ':' before 'cout'
   13 |   case 80
      |          ^
      |          :
   14 |    cout<<"B";
      |    ~~~~   
foo.cc:15:4: error: break statement not within loop or switch
   15 |    break;
      |    ^~~~~
foo.cc:16:3: error: case label '79' not within a switch statement
   16 |   case 79
      |   ^~~~
foo.cc:16:10: error: expected ':' before 'case'
   16 |   case 79
      |          ^
      |          :
   17 |   case 70
      |   ~~~~    
foo.cc:17:3: error: case label '70' not within a switch statement
   17 |   case 70
      |   ^~~~
foo.cc:17:10: error: expected ':' before 'cout'
   17 |   case 70
      |          ^
      |          :
   18 |    cout<<"C";
      |    ~~~~   
foo.cc:19:4: error: break statement not within loop or switch
   19 |    break;
      |    ^~~~~
foo.cc:20:3: error: case label '69' not within a switch statement
   20 |   case 69
      |   ^~~~
foo.cc:20:10: error: expected ':' before 'case'
   20 |   case 69
      |          ^
      |          :
   21 |   case 60
      |   ~~~~    
foo.cc:21:3: error: case label '60' not within a switch statement
   21 |   case 60
      |   ^~~~
foo.cc:21:10: error: expected ':' before 'cout'
   21 |   case 60
      |          ^
      |          :
   22 |    cout<<"D";
      |    ~~~~   
foo.cc:23:4: error: break statement not within loop or switch
   23 |    break;
      |    ^~~~~
foo.cc:24:3: error: case label not within a switch statement
   24 |   default:
      |   ^~~~~~~

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