Main.c: In function ‘main’:
Main.c:21:5: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
   21 |     scanf(%d",&n);
      |     ^~~~~
Main.c:21:5: warning: incompatible implicit declaration of built-in function ‘scanf’
Main.c:1:1: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
  +++ |+#include <stdio.h>
    1 | int countt1(int a[],int n){
Main.c:21:11: error: expected expression before ‘%’ token
   21 |     scanf(%d",&n);
      |           ^
Main.c:21:13: warning: missing terminating " character
   21 |     scanf(%d",&n);
      |             ^
Main.c:21:13: error: missing terminating " character
   21 |     scanf(%d",&n);
      |             ^~~~~~
Main.c:34:14: error: expected ‘;’ before ‘}’ token
   34 |     return 0;
      |              ^
      |              ;
   35 | }
      | ~             
Main.c:20:18: warning: unused variable ‘count’ [-Wunused-variable]
   20 |     int n,a[100],count=0;
      |                  ^~~~~
Main.c:20:11: warning: unused variable ‘a’ [-Wunused-variable]
   20 |     int n,a[100],count=0;
      |           ^
Main.c:20:9: warning: unused variable ‘n’ [-Wunused-variable]
   20 |     int n,a[100],count=0;
      |         ^