QQQcainiao666 @ 2024-09-29 21:36:31
#include<bits/stdc++.h>
using namespace std;
int main(){
int q;
string str;
cin>>q;
cin>>str;
while(q--){
int n;
cin>>n;
if(n==1){
string str2;
cin>>str2;
str=str+str2;
cout<<str<<endl;
}
if(n==2){
int s,e;
cin>>s>>e;
str=str.substr(s,e);
cout<<str<<endl;
}
if(n==3){
int s;
string tmp;
cin>>s>>tmp;
str=str.insert(s,tmp);
cout<<str<<endl;
}
if(n==4){
string tmp;
cin>>tmp;
if(str.find(tmp)){
cout<<str.find(tmp)<<endl;
}else{
cout<<"-1"<<endl;
}
}
}
return 0;
}