#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

//是否大于5
bool greater5(int n)
{
    return n > 5;
}

//by zhaocl
int main()
{
    vector<int> vi;
    vi.push_back(3);
    vi.push_back(6);
    vi.push_back(9);
    
    //返回第一个大于5的元素地址
    vector<int>::iterator it = find_if(vi.begin(),vi.end(),greater5);
    cout<<"the first greater number than 5 is "<< *it <<endl;
    system("pause");
    return 0;
}