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 == 1 || x==2)
        return true;

    return false;
}
map<int, vector<int>> g_map;
int _tmain(int argc, _TCHAR* argv[])
{
    vector<int> vec;
    vec.push_back(1);
    vec.push_back(2);
    vec.push_back(3);
    vec.push_back(4);
    //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(0, vec));
    g_map.insert(make_pair(1, 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 = 0;
        while (iter != it->second.end())
        {
            printf("vector:%d\n", *iter);
            iter++;
        }
    }
    system("pause");
    return 0;
}