C++中的动态数组会自己增长吗，

#include<iostream>
#include<string>
#include<vector>
#include<sstream>
using namespace std;
int main(){
int *p=new int[5];
int x;
for(int i=0;i!=5;++i){
    cin>>x;
    p[i]=x;
}
p[5]=100;
for(int i=0;i!=6;++i){
    cout<<p[i]<<" ";
}

delete [] p;
return 0;

}