Submission #116918

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
116918	2019-06-14 04:22:09	nhimnam120	Doktor (COCI17_doktor)	C++14	30 / 100	257 ms	46456 KiB

doktor

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#include<bits/stdc++.h>
using namespace std;
long long fixedd[500005];
long long a[500005];
vector<long long> tam1[500005];
vector<long long> tam2[500005];
long long ans1,ans2;
signed main(){
  ios_base::sync_with_stdio(0);
  long long n;
  cin >> n;
  for(long long i=1;i<=n;i++){
    cin >> a[i];
    fixedd[i]=fixedd[i-1];
    if(a[i]==i){
      fixedd[i]++;
    }
    if((a[i]+i)%2==0){
      tam1[(a[i]+i)/2].push_back(abs(a[i]-i)/2);
    }
    else{
      tam2[(a[i]+i)/2].push_back(abs(a[i]-i)/2);
    }
  }
  ans1 = a[1];
  ans2 = a[1];
  long long mdx= -1000;
  for(long long i=1;i<=n;i++){
    if(tam1[i].size()==0){
      continue;
 
 
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