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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6.     stack<int> s;
  7.     int sp = 0;
  8.     int c = 0, cnt = 0;
  9.     int n;
  10.     cin>>n;
  11.     while(n--)
  12.     {
  13.         int x; cin>>x;
  14.         if(x==1)
  15.             cin>>sp;
  16.         while(!s.empty() && sp>s.top())
  17.         {
  18.             s.pop();
  19.             c++;
  20.         }
  21.         if(x==6) cnt++;
  22.         if(x==4) cnt = 0;
  23.         if(x==2) {
  24.             c+=cnt;
  25.             cnt = 0;
  26.         }
  27.         if(x==5){
  28.             while(!s.empty()) s.pop();
  29.         }
  30.         if(x==3) 
  31.         {
  32.             int maxs; cin>>maxs;
  33.             s.push(maxs);
  34.         }
  35.     }
  36.     if(!s.empty() && s.top()<sp)
  37.         c++;
  38.     cout<<c<<endl;
  39. }
Success #stdin #stdout 0s 16064KB
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https://ideone.com/7UrJob
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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