/in/foo.cc: In function 'int main()':
/in/foo.cc:8:34: warning: format '%ld' expects argument of type 'long int*', but argument 2 has type 'long long int*' [-Wformat=]
  scanf("%ld%ld%ld%ld",&n,&m,&k,&x);
                                  ^
/in/foo.cc:8:34: warning: format '%ld' expects argument of type 'long int*', but argument 3 has type 'long long int*' [-Wformat=]
/in/foo.cc:8:34: warning: format '%ld' expects argument of type 'long int*', but argument 4 has type 'long long int*' [-Wformat=]
/in/foo.cc:8:34: warning: format '%ld' expects argument of type 'long int*', but argument 5 has type 'long long int*' [-Wformat=]