C/C++：迭代器的简单二分查找

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I just don‘t want to regret it !

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

using namespace std;

int main()
{
	vector<int>c{1, 2, 3, 4, 5};//默认排好了序
	
	auto beg = c.begin();auto end = c.end();//搜索范围
	auto mid = c.begin() + (end - beg) / 2;//初始中间点
	auto aim = 3;//目标值

	while (mid != end && *mid != aim)
	{
		if (aim < *mid){
			end = mid;
		}//前半部分
		else{
			beg = mid + 1;
		}//后半部分
		mid = beg + (end - beg) / 2;//处理寻找之后的mid值
	}

	if (*mid == aim){
		cout << "Yes" << endl;
	}
	else{
		cout << "No" << endl;
	}

	system("pause");
	return 0;
} 

C/C++：迭代器的简单二分查找

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原文地址：http://blog.csdn.net/ricardo_he/article/details/44925803