stl的unique简单demo

#include <stdio.h>#include <deque>#include <algorithm>#include <vector>using namespace std;static bool equal(const int a, const int b){return a == b;}static void display(const int a){printf("%d ", a);}int main(){deque<int> a;a.push_back(1);a.push_back(1);a.push_back(2);a.push_back(2);a.push_back(4);std::for_each(a.begin(), a.end(), display);puts("");deque<int>::iterator iter = std::unique(a.begin(), a.end());std::for_each(a.begin(), a.end(), display);puts("");a.erase(iter, a.end());std::for_each(a.begin(), a.end(), display);puts("");return 0;}