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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define MM ios_base::sync_with_stdio(false),cin.tie(nullptr),cout.tie(nullptr);
  4. int main(){
  5.     MM
  6.     int t;
  7.     cin>>t;
  8.     deque<int> ss;
  9.     while (t--) {
  10.         string s;
  11.         cin>>s;
  12.         if (s=="toFront") {
  13.             int n;
  14.             cin>>n;
  15.             ss.push_front(n);
  16.         }
  17.         else if (s=="back") {
  18.             if (!ss.empty()) {
  19.                 cout<<ss.back()<<'\n';
  20.                 ss.pop_back();
  21.             }
  22.             else {
  23.                 cout<<"No job for Ada?"<<'\n';
  24.             }
  25.         }
  26.         else if (s=="front") {
  27.             if (!ss.empty()) {
  28.                 cout<<ss.front()<<'\n';
  29.                 ss.pop_front();
  30.             }
  31.             else {
  32.                 cout<<"No job for Ada?"<<'\n';
  33.             }
  34.         }
  35.         else if (s=="push_back") {
  36.             int n;
  37.             cin>>n;
  38.             ss.push_back(n);
  39.         }
  40.         else if (s=="reverse") {
  41.             reverse(ss.begin(),ss.end());
  42.         }
  43.     }
  44. }
Success #stdin #stdout 0.01s 5292KB
comments (?)
stdin
copy 
15
toFront 93
front
back
reverse
back
reverse
toFront 80
push_back 53
push_back 50
front
front
reverse
push_back 66
reverse
front
stdout
copy 
93
No job for Ada?
No job for Ada?
80
53
66
https://ideone.com/eUqRtf
language:
C++14 (gcc 8.3)
created:
7 days ago
visibility:
public

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