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如何删除vecter容器中第一个元素:
#include <iostream>
#include <vector>
using namespace std;
int main()
{
vector<int> v;
//初始化 v
for (int i = 0; i < 10; i++)
{
v.push_back(i);
}
cout << "删除第一个元素前" << v.size() << endl;
for (int i = 0; i < v.size(); i++)
{
cout << v[i] << endl;
}
//删除v第一个元素
vector<int>::iterator k = v.begin();
v.erase(k);
cout << "删除第一个元素后" <<v.size() <<endl;
for (int i = 0; i < v.size(); i++)
{
cout << v[i] << endl;
}
system("pause");
return 0;
}