/in/foo.c: In function 'main':
/in/foo.c:32:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   for(i=0;i<10;i++)
   ^~~
/in/foo.c:38:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
    printf("\n");
    ^~~~~~
/in/foo.c:6:13: warning: variable 'flag' set but not used [-Wunused-but-set-variable]
  int i,ai,j,flag=0;
             ^~~~