/in/foo.cc: In function 'int main()':
/in/foo.cc:56:64: warning: format '%lld' expects argument of type 'long long int*', but argument 2 has type 'int*' [-Wformat=]
     scanf("%lld%lld%lld%lld%lld",&f.a[0][0],&f.a[0][1],&a,&b,&n);
                                                                ^
/in/foo.cc:56:64: warning: format '%lld' expects argument of type 'long long int*', but argument 3 has type 'int*' [-Wformat=]
/in/foo.cc:53:9: warning: unused variable 'i' [-Wunused-variable]
     int i,j,m,k,t;
         ^
/in/foo.cc:53:11: warning: unused variable 'j' [-Wunused-variable]
     int i,j,m,k,t;
           ^
/in/foo.cc:53:13: warning: unused variable 'm' [-Wunused-variable]
     int i,j,m,k,t;
             ^
/in/foo.cc:53:15: warning: unused variable 'k' [-Wunused-variable]
     int i,j,m,k,t;
               ^
/in/foo.cc:53:17: warning: unused variable 't' [-Wunused-variable]
     int i,j,m,k,t;
                 ^
/in/foo.cc:55:14: warning: unused variable 'x' [-Wunused-variable]
     ll a,b,n,x;
              ^