foo.c: In function 'main':
foo.c:11:18: error: expected expression before 'for'
   11 |         else if (for(int i=1;i<n-1;i++)
      |                  ^~~
foo.c:13:10: warning: implicit declaration of function 'printg'; did you mean 'printf'? [-Wimplicit-function-declaration]
   13 |         {printg("1");
      |          ^~~~~~
      |          printf
foo.c:5:11: warning: unused variable 'total' [-Wunused-variable]
    5 |     int n,total;
      |           ^~~~~

[Hydro](https://hydro.ac)提供评测服务