/in/foo.cc: In function 'int main()':
/in/foo.cc:48:22: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
         scanf("%d",&n);
                      ^
/in/foo.cc:50:29: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
             scanf("%d",&a[i]);
                             ^
/in/foo.cc:47:17: warning: unused variable 'T' [-Wunused-variable]
     long long n,T,tt=1;
                 ^
/in/foo.cc:47:19: warning: unused variable 'tt' [-Wunused-variable]
     long long n,T,tt=1;
                   ^~