/in/foo.cc: In function 'int main()':
/in/foo.cc:19:24: warning: too many arguments for format [-Wformat-extra-args]
  scanf("%d %d",&n,&m,&k);
                        ^
/in/foo.cc:64:20: warning: format '%d' expects argument of type 'int', but argument 2 has type 'int*' [-Wformat=]
   printf("%d",&d[n]);
               ~~~~~^