/in/foo.cc: In function 'int main()':
/in/foo.cc:61:15: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
  scanf("%d",&t);
               ^
/in/foo.cc: In function 'int check(int)':
/in/foo.cc:54:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^