/in/foo.c: In function 'main':
/in/foo.c:15:20: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'double' [-Wformat=]
         printf("%lld\n",pow(a[i],b[i]));
                    ^
/in/foo.c:9:26: warning: unused variable 'base' [-Wunused-variable]
     long long int answer,base;
                          ^~~~
/in/foo.c:9:19: warning: unused variable 'answer' [-Wunused-variable]
     long long int answer,base;
                   ^~~~~~