/in/foo.cc: In function 'int main()':
/in/foo.cc:7:19: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
     scanf("%d", &n);
                   ^
/in/foo.cc:8:23: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
     scanf("%d", &first);
                       ^
/in/foo.cc:11:23: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
         scanf("%d", &a);
                       ^
/in/foo.cc:12:24: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
         printf("%d ", a);
                        ^
/in/foo.cc:14:23: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
     printf("%d", first);
                       ^