/in/foo.cc: In function 'int main()':
/in/foo.cc:125:29: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
     printf("%d\n",abs(ans)+2);
                             ^
/in/foo.cc:127:27: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
     printf("%d\n",abs(ans));
                           ^