编辑代码

#include <iostream>
using namespace std;
#include <algorithm>
#include <vector>

void test01() {
	vector<int> v;
	for (int i = 0; i < 10; i++) {
		v.push_back(i);
	}

	//二分查找
	bool ret = binary_search(v.begin(), v.end(), 2);
	if (ret) {
		cout << "找到了" << endl;
	} else {
		cout << "未找到" << endl;
	}
}

int main() {

	test01();

	return 0;
}