C++ set demo

概述#include <iostream>#include <set>using namespace std;void PrintS(set<int> s_int){ cout<<"Print:"; for (set<int>::iterator it = s_int.begin(); it !=s_int.end() ; ++it) { cout<

#include <iostream>#include <set>using namespace std;voID PrintS(set<int> s_int){    cout<<"Print:";    for (set<int>::iterator  it = s_int.begin(); it !=s_int.end() ; ++it) {        cout<<*it<<" ";    }    cout<<endl;}int main() {    std::cout << "Hello,World!" << std::endl;    set<int> s_int{1,2,3,4,5,6,7};    PrintS(s_int);    s_int.erase(s_int.find(3));    PrintS(s_int);    s_int.insert(9);    PrintS(s_int);    s_int.insert(3);    PrintS(s_int);    return 0;}

 

显示：

Print:1 2 3 4 5 6 7 Print:1 2 4 5 6 7 Print:1 2 4 5 6 7 9 Print:1 2 3 4 5 6 7 9

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