vector删除指定元素

 #pragma once
 #include "stdafx.h"
 #include<windows.h>
 #include <vector>
 #include <map>
 #include <algorithm>
 using namespace std;

 bool badvalue(int x)
 {
     if (x ==  || x==)
         return true;

     return false;
 }
 map<int, vector<int>> g_map;
 int _tmain(int argc, _TCHAR* argv[])
 {
     vector<int> vec;
     vec.push_back();
     vec.push_back();
     vec.push_back();
     vec.push_back();
     //std::remove(vec.begin(), vec.end(), 2); //删除指定元素为2
     vec.erase(remove_if(vec.begin(), vec.end(), badvalue), vec.end());//删除符合判断的元素
     g_map.insert(make_pair(, vec));
     g_map.insert(make_pair(, vec));
     map<int, vector<int>>::iterator it = g_map.begin();
     //for (; it != g_map.end(); /*it++*/)
     //{
     //    g_map.erase(it++);
     //}
     it = g_map.begin();
     for (; it != g_map.end(); it++)
     {
         printf("map:%d\n", it->first);
         vector<int>::iterator iter = it->second.begin();
         int i = ;
         while (iter != it->second.end())
         {
             printf("vector:%d\n", *iter);
             iter++;
         }
     }
     system("pause");
     return ;
 }