关于 STL::rope

#include<bits/stdc++.h> 
#include<bits/extc++.h>
#define int long long
using namespace std;
using namespace __gnu_cxx;
int n,x,op,l,r,c,a[1234567];
rope<int>rp;
signed main(){
	freopen("test.in","r",stdin);
	freopen("test.out","w",stdout);	
	scanf("%lld",&n);
	for(int i=1;i<=n;i++)scanf("%lld",&a[i]);
	rp=rope<int>(a);
	cout<<rp.size();
	/*
	for(int t=1;t<=n;t++){
		scanf("%lld%lld%lld%lld",&op,&l,&r,&c);
		if(op==0)rp.insert(l,r);
		else printf("%lld\n",rp[r]);
	}
	*/
	return 0;
}