Submission #5269108

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define all(x) x.begin(),x.end()
#define dbg(x) cout<<#x<<":"<<x<<endl
#define int long long
typedef pair<int,int> P;
typedef pair<int,P> PP;

signed main(){
  string s;
  vector<string> v,ans;
  while(cin>>s){
    v.pb(s);
  }

  int i=0;
  while(1){
    int cnt=0;
    for(;;){
	 if(v[i]=="not"){
	   cnt++;
	   if(i==v.size()-1)break;
	 }
	 else break;
	 i++;
    }
    if(v[i]=="not"){
	 for(int i=0;i<cnt;i++)ans.pb("not");
	 break;
    }
    if(cnt%2)ans.pb("not");
    ans.pb(v[i]);
    if(++i==v.size())break;
  }

  for(int i=0;i<ans.size();i++){
    if(i)cout<<" ";
    cout<<ans[i];
  }
  cout<<endl;
  return 0;
}

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