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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define pb push_back
  4. #define MOD 1000000007
  5. #define PI 4 * atan(1)
  6. #define sz(A) (int)A.size()
  7. typedef long long ll;
  8. typedef vector<int> vi;
  9. typedef pair<int, int> pii;
  10. typedef vector<long long> vll;
  11. typedef long int int32;
  12. typedef unsigned long int uint32;
  13. typedef long long int int64;
  14. typedef unsigned long long int uint64;
  15.  
  16. inline void solve(int test){    
  17.     string s; cin >> s;
  18.     string s1, s2;
  19.     for(char c: s){
  20.         if(c == '>'){
  21.             //day phan tu tu st2 -> st1;
  22.             if(!s2.empty()){
  23.                 s1.push_back(s2.back());
  24.                 s2.pop_back();
  25.             }
  26.         }else if(c == '<'){
  27.             //day phan tu tu st1 -> st2;
  28.             if(!s1.empty()){
  29.                 s2.push_back(s1.back());
  30.                 s1.pop_back();
  31.             }
  32.         }else if(c == '-'){
  33.             if(!s1.empty()) s1.pop_back();
  34.         }else{
  35.             s1.push_back(c);
  36.         }
  37.     }
  38.     cout << s1;
  39.     for(int i=s2.size()-1; i >= 0; i--) cout << s2[i];
  40. }   
  41. int main(){
  42.     ios_base::sync_with_stdio(false);
  43.     cin.tie(NULL);
  44.     cout.tie(NULL);
  45.     int typetest = 0;
  46.     if (typetest){
  47.         int t;
  48.         cin >> t;
  49.         cin.ignore();
  50.         for(int i=1; i<=t; i++){
  51.             solve(i);
  52.         }
  53.     }
  54.     else solve(0);
  55. }
Success #stdin #stdout 0s 5328KB
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https://ideone.com/lUToFi
language:
C++14 (gcc 8.3)
created:
11 days ago
visibility:
public

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