#include "usg_common.h"
#include <stdio.h>
#include <string.h>
int main() {
	std::set<int> *subscripter_set = new std::set<int>;
	std::set<int>::iterator set_iter;
	int send_port;
	int i =0;
	for (i = 0; i< 10; i++) {
		subscripter_set->insert(i);
	}

  for (i = 0, set_iter = subscripter_set->begin(); set_iter != subscripter_set->end(); set_iter++) {
    send_port = *set_iter;

    printf("send_port = %d \n", send_port);
    if (send_port == 0 || send_port == 1  || send_port == 4 || send_port == 6 ||  send_port == 9) {
      printf("erase %d \n", send_port);
      subscripter_set->erase(set_iter);
      // set_iter--;
      // set_iter--;
      // if(i != 0)
      //  	set_iter--;
    }
    i++;
  }

printf("================================\n");

  for (set_iter = subscripter_set->begin(); set_iter != subscripter_set->end(); set_iter++) {
    send_port = *set_iter;

    printf("send_port = %d \n", send_port);
    
  }
}