python/C++专题课程/STL基础知识/STL-3-vector向量.cpp

#include<bits/stdc++.h>

using namespace std;

/*
֪ʶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>C++ STL vector<EFBFBD><EFBFBD><EFBFBD><EFBFBD>

vector(<EFBFBD><EFBFBD><EFBFBD><EFBFBD>):<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>˳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>Ϻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>࣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD>鲻<EFBFBD>ܶ<EFBFBD>̬<EFBFBD><EFBFBD>չ<EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˷<EFBFBD><EFBFBD>ڴ棬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD>硣<EFBFBD><EFBFBD>vector<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȱ<EFBFBD>ݣ<EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>൱<EFBFBD>ڿɷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>飬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʿ죬<EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĩ<EFBFBD>˲<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD>졣

 <EFBFBD>ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݲο<EFBFBD><EFBFBD><EFBFBD>
https://www.cnblogs.com/aiguona/p/7228364.html
 * */
int main() {
    vector<int> v;                            //<2F><><EFBFBD><EFBFBD>vector
    vector<int>::iterator it;                 //<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>vector<6F><72><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    for (int i = 10; i >= 1; i--)              //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        v.push_back(i);

    cout << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>";
    for (it = v.begin(); it != v.end(); it++)       //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
        cout << *it << " ";
    cout << endl;

    it -= 1;
    cout << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵΪ<EFBFBD><EFBFBD>" << *it << "     " << endl;
    v.erase(it);                             //ɾ<><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>Ԫ<EFBFBD><D4AA>

    cout << "Ԫ<EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>" << v.size() << endl;    //<2F><><EFBFBD><EFBFBD>Ԫ<EFBFBD>ظ<EFBFBD><D8B8><EFBFBD>
    sort(v.begin(), v.end());                    //vector<6F><72><EFBFBD><EFBFBD>

    cout << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>";
    for (it = v.begin(); it != v.end(); it++)            //<2F><><EFBFBD><EFBFBD>vectorԪ<72><D4AA>
        cout << *it << " ";
    cout << endl;

    v.insert(v.begin(), 100);                 //<2F><>posλ<73>ò<EFBFBD><C3B2><EFBFBD>һ<EFBFBD><D2BB>elem
    cout << "<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>" << v.front() << endl;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>Ԫ<EFBFBD><D4AA>

    v.pop_back();                         //ȥ<><C8A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>Ԫ<EFBFBD><D4AA>
    cout << "Ԫ<EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>" << v.size() << endl;//<2F><><EFBFBD><EFBFBD>Ԫ<EFBFBD>ظ<EFBFBD><D8B8><EFBFBD>

    v.clear();                                //vector<6F><72><EFBFBD><EFBFBD>
    cout << "<EFBFBD><EFBFBD><EFBFBD>պ<EFBFBD>Ԫ<EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>" << v.size() << endl;    //<2F><><EFBFBD><EFBFBD>Ԫ<EFBFBD>ظ<EFBFBD><D8B8><EFBFBD>
    return 0;
}