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  1. /* وَقُلْ رَبِّ زِدْنِي عِلْمًاً */
  2. #include <iostream>
  3. #include <algorithm>
  4. #include <cmath>
  5. #include <string>
  6. #include <iomanip>
  7. #include <stack>
  8. #include <set>
  9. #include <queue>
  10. #include <deque>
  11. #include <vector>
  12. #include <fstream>
  13. #include <cctype>
  14. #include <utility>
  15.  
  16. #define ll long long
  17. #define ld long double
  18. #define sz(v)   ((int)(v).size())
  19. #define all(v)    ((v).begin()),((v).end())
  20. #define setp(n) cout << fixed << setprecision(n)
  21. #define O_o ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  22. #define yes cout << "yes\n"
  23. #define no cout << "no\n"
  24. #define fi(nn) for(ll i = 0; i < (nn); i++)
  25. #define fj(nn) for(ll j = 0; j < (nn); j++)
  26. #define fl(nn) for (ll i = nn - 1; i >= 0; i--)
  27. #define ffi(nn,mm) for(ll i = 0; i < (nn); i++)for(ll j = 0; j < (mm); j++)
  28. #define wt ll t;cin>>t;while(t--)
  29. #define null NULL
  30.  
  31. using namespace std;
  32. int main()
  33. {
  34.     O_o
  35.         string s;
  36.     while (getline(cin, s)) {
  37.         bool tr1 = 1, tr2 = 0;
  38.         deque<char>v;
  39.         fi(sz(s)) {
  40.             if (s[i] == '[') {
  41.                 tr1 = 1;
  42.                 tr2 = 0;
  43.             }
  44.             else if (s[i] == ']') {
  45.                 tr1 = 0;
  46.                 tr2 = 1;
  47.             }
  48.             else {
  49.                 if (tr1) {
  50.                     v.push_front(s[i]);
  51.                 }
  52.                 else if (tr2) {
  53.                     v.push_back(s[i]);
  54.                 }
  55.             }
  56.         }
  57.         fi(sz(v)) {
  58.             cout << v[i];
  59.         }
  60.         cout << '\n';
  61.     }
  62.     return 0;
  63. }
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin 
Name[My_]_Is_Mohemd
[[]][][]I_Am_FrOm_AssiUt
stdout 
_yMemaN_Is_Mohemd
I_Am_FrOm_AssiUt
https://ideone.com/CvPfM2
language:
C++ (gcc 8.3)
created:
282 days ago
visibility:
public

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