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- #include<bits/stdc++.h>
- using namespace std;
- list<int>ll;
- list<int> ::iterator cursor=ll.end();
- void Insert(){
- int y;
- cin>>y;
- cursor=ll.insert(cursor,y);
- }
- void Erase(){
- cursor= ll.erase(cursor);
- }
- void Move(){
- int y;
- cin>>y;
- if(y>0){
- for(int i=0;i<y;i++){
- cursor++;}
- }
- else{
- for(int i=0;i<y;i++){
- cursor--;}
- }
- }
- int main(){
- int x,y,i,j;
- int t;
- cin>>t;
- for(i=0;i<t;i++){
- cin>>x;
- if(x==0)
- Insert();
- else if (x==1)
- Move();
- else if(x==2)
- Erase();
- }
- for( list<int>::iterator i = ll.begin(); i != ll.end(); i++ ){
- cout << *i << endl;}
- return 0;
- }
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