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  1. #include <bits/stdc++.h>
  2. #define IOS  ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  3. #define ll long long
  4. #define ss string
  5. #define db double
  6. #define endl '\n'
  7. #define pi 3.1415927
  8. #define outd fixed <<  setprecision(6)
  9. #define all(x) (x).begin(), (x).end()
  10. #define rall(x) (x).rbegin(), (x).rend()
  11. using namespace  std;
  12. const int N=510;
  13. int main() {
  14.     IOS
  15.     vector<int> frq(N);
  16.     ss s;
  17.     int cnt=0;
  18.     while(getline(cin,s)) {
  19.         for(int i=0;i<s.size();i++) {
  20.             if(s[i]=='{') {
  21.                 cnt++;
  22.             }
  23.             else if(s[i]=='}') {
  24.                 cnt--;
  25.             }
  26.             else if(s[i]=='p') {
  27.                 frq[cnt]++;
  28.             }
  29.         }
  30.     }
  31.     vector<pair<int,int> > v;
  32.     for(int i=1;i<510;i++) {
  33.         if(frq[i]!=0) {
  34.             v.push_back({i,frq[i]});
  35.         }
  36.     }
  37.     for(int i=0;i<v.size();i++) {
  38.         if(i) {
  39.             cout<<" + ";
  40.         }
  41.         if(v[i].second>1) {
  42.             cout<<v[i].second;
  43.         }
  44.             cout<<"N";
  45.         if(v[i].first>1) {
  46.             cout<<"^" << v[i].first;
  47.         }
  48.     }
  49.     return 0;
  50. }
  51.  
  52.  
Success #stdin #stdout 0.01s 5284KB
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https://ideone.com/PK2ZnV
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

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