Language: C

int main(){
    int x=0,y=0;
    int A,B,C;
    char a="KN",b="KT",c="NT";
    int A,B,C;
    char s[];
    scanf("%d",A);
    scanf("%d",B);
    scanf("%d",C);
    y=A+B;
    for(B=0,B<100000001,B++)
        {printf("%c\n",a);
            for(i=0,y<=B,y++){
                    printf("%c\n",b);
            y=y+1;
    }
    printf("%d\n",y);
    return
    }


Compiler output:
main.c: In function 'main':
main.c:4:12: error: initialization of 'char' from 'char *' makes integer from pointer without a cast [-Wint-conversion]
    4 |     char a="KN",b="KT",c="NT";
      |            ^~~~
main.c:4:19: error: initialization of 'char' from 'char *' makes integer from pointer without a cast [-Wint-conversion]
    4 |     char a="KN",b="KT",c="NT";
      |                   ^~~~
main.c:4:26: error: initialization of 'char' from 'char *' makes integer from pointer without a cast [-Wint-conversion]
    4 |     char a="KN",b="KT",c="NT";
      |                          ^~~~
main.c:5:9: error: redeclaration of 'A' with no linkage
    5 |     int A,B,C;
      |         ^
main.c:3:9: note: previous declaration of 'A' with type 'int'
    3 |     int A,B,C;
      |         ^
main.c:5:11: error: redeclaration of 'B' with no linkage
    5 |     int A,B,C;
      |           ^
main.c:3:11: note: previous declaration of 'B' with type 'int'
    3 |     int A,B,C;
      |           ^
main.c:5:13: error: redeclaration of 'C' with no linkage
    5 |     int A,B,C;
      |             ^
main.c:3:13: note: previous declaration of 'C' with type 'int'
    3 |     int A,B,C;
      |             ^
main.c:6:10: error: array size missing in 's'
    6 |     char s[];
      |          ^
main.c:7:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    7 |     scanf("%d",A);
      |     ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(){
main.c:7:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    7 |     scanf("%d",A);
      |     ^~~~~
main.c:7:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:11:28: error: expected ';' before ')' token
   11 |     for(B=0,B<100000001,B++)
      |                            ^
      |                            ;
main.c:11:28: error: expected expression before ')' token
main.c:12:10: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   12 |         {printf("%c\n",a);
      |          ^~~~~~
main.c:12:10: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:12:10: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:12:10: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:13:17: error: 'i' undeclared (first use in this function)
   13 |             for(i=0,y<=B,y++){
      |                 ^
main.c:13:17: note: each undeclared identifier is reported only once for each function it appears in
main.c:13:29: error: expected ';' before ')' token
   13 |             for(i=0,y<=B,y++){
      |                             ^
      |                             ;
main.c:13:29: error: expected expression before ')' token
main.c:19:5: error: expected expression before '}' token
   19 |     }
      |     ^
main.c:19:5: error: expected declaration or statement at end of input