/in/foo.c: In function 'main':
/in/foo.c:8:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(i=0;i<num;i++)
  ^~~
/in/foo.c:11:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   printf("\n");
   ^~~~~~
/in/foo.c: In function 'find':
/in/foo.c:16:10: warning: variable 'x' set but not used [-Wunused-but-set-variable]
  int i,j,x,num=0;
          ^
/in/foo.c:16:8: warning: unused variable 'j' [-Wunused-variable]
  int i,j,x,num=0;
        ^