编辑代码

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

void test01()
{
	vector<int> v;
	v.push_back(1);
	v.push_back(2);
    v.push_back(5);
	v.push_back(5);
	v.push_back(2);
	v.push_back(4);
	v.push_back(4);
	v.push_back(3);

	//查找相邻重复元素
	vector<int>::iterator it = adjacent_find(v.begin(), v.end());
	if (it == v.end()) {
		cout << "找不到!" << endl;
	} else {
		cout << "找到相邻重复元素为:" << *it << endl;
	}
}

int main() {
    test01();
    return 0;
}