- int i, j, k, dst, rank, num_procs, send_offset, recv_offset, tree_root;
- int dst_tree_root, rank_tree_root, last_recv_count, num_procs_completed;
+ unsigned int i, j, k, dst, send_offset, recv_offset, tree_root;
+ int dst_tree_root, rank_tree_root, last_recv_count = 0, num_procs_completed;