/in/foo.cc: In function 'int main()':
/in/foo.cc:45:23: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'int*' [-Wformat=]
   scanf("%s",res[b[j]]);
                       ^
/in/foo.cc:48:23: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'int*' [-Wformat=]
   printf("%s\n",res[j]);
                       ^
/in/foo.cc:39:12: warning: unused variable 'k' [-Wunused-variable]
  int i=0,j,k;
            ^