无敌鸡心
2024-02-19 16:00:47
发布于：北京
#include<bits/stdc++.h>
using namespace std;
string a[1005];
int id;
int n;
int head,tail;
void push(string x){
a[tail++]=x;
}
void pop(){
if(head<tail) head++;
}
bool empty(){
return head ==tail;
}
int size(){
return tail-head;
}
string front(){
return a[head];
}
string back(){
return a[tail-1];
}
int main(){
int tmp;
string s;
while(true){
cin>>s;
if(s=="end") {
if(!empty()){
for(int i=head;i<tail;i++){
cout<<a[i];
}
cout<<endl;
}
return 0;
}
if(s[0]=='1'){
push(s);
}
else if(s=="out"){
cin>>tmp;
if(empty()) printf("empty");
else{
for(int i=head;i<tmp;i++){
cout<<front()<<" ";
pop();
}
}
cout<<endl;
}
}
}
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2024-02-19 来自 北京
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2024-02-19 来自 北京
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2024-02-19 来自 北京
0#include<bits/stdc++.h>
using namespace std;
int x,head,tail,n;
非vip只能看到10%，请开通vip2024-02-19 来自 北京
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