/in/foo.cc: In function 'int main()':
/in/foo.cc:133:17: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[1000009]' [-Wformat=]
    scanf("%s",&s);
                 ^
/in/foo.cc:142:15: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[1000009]' [-Wformat=]
  scanf("%s",&s);
               ^
/in/foo.cc:177:20: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   printf("%d\n",ans);
                    ^