[C++STL]list容器用法介绍
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[C++STL]list容器用法介绍
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代碼如下:
#include <iostream> #include <string> #include <list> using namespace std;void printList(const list<int>&L) {for (list<int>::const_iterator it = L.begin(); it != L.end(); it++){cout << *it << " ";}cout << endl; }void test01() {list<int>L1;L1.push_back(10);L1.push_back(20);L1.push_back(30);L1.push_back(40);printList(L1);list<int>L2(L1.begin(), L1.end());printList(L2);list<int>L3(L2);printList(L3);list<int>L4(10, 100);printList(L4);}int main() {test01();return 0; }測試結果:
代碼如下:
#include <iostream> #include <string> #include <list> using namespace std;void printList(const list<int>&L) {for (list<int>::const_iterator it = L.begin(); it != L.end(); it++){cout << *it << " ";}cout << endl; }void test01() {list<int>L1;L1.push_back(10);L1.push_back(20);L1.push_back(30);L1.push_back(40);printList(L1);//賦值list<int>L2;L2 = L1;printList(L2);list<int>L3;L3.assign(L2.begin(), L2.end());printList(L3);list<int>L4;L4.assign(10, 100);printList(L4);}//交換 void test02() {list<int>L1;L1.push_back(10);L1.push_back(20);L1.push_back(30);L1.push_back(40);list<int>L2;L2.assign(10, 100);cout << "交換前" << endl;printList(L1);printList(L2);cout << endl;L1.swap(L2);cout << "交換后" << endl;printList(L1);printList(L2); }int main() {test01();test02();return 0; }測試結果:
代碼如下:
#include <iostream> #include <string> #include <list> using namespace std;void printList(const list<int>&L) {for (list<int>::const_iterator it = L.begin(); it != L.end(); it++){cout << *it << " ";}cout << endl; }void test01() {list<int>L1;L1.push_back(10);L1.push_back(20);L1.push_back(30);L1.push_back(40);if (L1.empty()){cout << "L1 empty" << endl;}else{cout << "L1 no empty" << endl;cout << "L1 capacity = " << L1.size() << endl;}L1.resize(10);printList(L1);L1.resize(2);printList(L1);}int main() {test01();return 0; }測試結果:
總結:
代碼如下:
#include <iostream> #include <string> #include <list> using namespace std;void printList(const list<int>&L) {for (list<int>::const_iterator it = L.begin(); it != L.end(); it++){cout << *it << " ";}cout << endl; }void test01() {list<int>l;l.push_back(10);l.push_back(20);l.push_back(30);l.push_front(100);l.push_front(200);l.push_front(300);printList(l);l.pop_back();printList(l);l.pop_front();printList(l);list<int>::iterator it = l.begin();l.insert(++it, 1000);printList(l);it = l.begin();l.erase(++it);printList(l);l.push_back(10000);l.push_back(10000);l.push_back(10000);printList(l);l.remove(10000);printList(l);l.clear();printList(l);}int main() {test01();return 0; }測試結果:
總結:
代碼如下:
#include <iostream> #include <string> #include <list> using namespace std;void printList(const list<int>&L) {for (list<int>::const_iterator it = L.begin(); it != L.end(); it++){cout << *it << " ";}cout << endl; }void test01() {list<int>l1;l1.push_back(10);l1.push_back(20);l1.push_back(30);l1.push_back(40);//cout<<l1.at(0)<<endl;//錯誤,不支持at訪問數據//cout<<l1[0]<<endl;//錯誤,不支持[]方式訪問數據cout << "front elem = " << l1.front() << endl;cout << "back elem = " << l1.back() << endl;//list容器的迭代器是雙向迭代器,不支持隨機訪問list<int>::iterator it = l1.begin();//it = it+1;//錯誤,不可以跳躍訪問,即便是+1}int main() {test01();return 0; }測試結果:
總結:
代碼如下:
#include <iostream> #include <string> #include <list> using namespace std;void printList(const list<int>&L) {for (list<int>::const_iterator it = L.begin(); it != L.end(); it++){cout << *it << " ";}cout << endl; }bool cmp(int a, int b) {return a > b; }void test01() {list<int>l;l.push_back(90);l.push_back(30);l.push_back(20);l.push_back(70);printList(l);l.reverse();printList(l);l.sort();printList(l);l.sort(cmp);printList(l);}int main() {test01();return 0; }測試結果:
總結:
反轉 — reverse
排序 — sort(成員函數)
總結
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