C++ 向量 中的 pop_back()函数

v.pop_back();

#include<iostream>
#include<vector>
using namespace std;
int main()
{
vector<string> v{"welcome","to","learnfk","tutorial"};
cout<<"Initial string is :";
for(inti=0;i<v.size();i++)
cout<<v[i]<<" ";
cout<<'\n';
cout<<"After deleting last string, string is :";
v.pop_back();
for(int i=0;i<v.size();i++)
cout<<v[i]<<" ";
return 0;
}