# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
1019151 | presko | Gondola (IOI14_gondola) | C++14 | 13 ms | 2520 KiB |
이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include<iostream>
#include<vector>
#include<algorithm>
#include<utility>
#include "gondola.h"
#define MAXN 300010
using namespace std;
bool used[MAXN];
int valid(int n, int inputSeq[])
{
for(int i=0;i<n;i++)
{
if(used[inputSeq[i]])return 0;
used[inputSeq[i]]=1;
if(inputSeq[i]<=n)
{
int prev=i-1,valp=inputSeq[i]-1;
if(prev<0)prev=n-1;
if(valp<1)valp=n;
int next=i+1,valn=inputSeq[i]+1;
if(next>=n)next=0;
if(valn>n)valn=1;
if(inputSeq[prev]<=n && inputSeq[prev]!=valp)return 0;
if(inputSeq[next]<=n && inputSeq[next]!=valn)return 0;
}
}
return 1;
}
//----------------------
vector<pair<int,int>> order;
int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
int ans=0,pos=-1;
for(int i=0;i<n;i++)if(gondolaSeq[i]<=n){pos=i;break;}
if(pos==-1)for(int i=0;i<n;i++)order.push_back({gondolaSeq[i],i+1});
else
{
int curr=gondolaSeq[pos];
for(int i=pos-1;i>=0;i--)
{
curr--;
if(curr==0)curr=n;
if(gondolaSeq[i]>n)order.push_back({gondolaSeq[i],curr});
gondolaSeq[i]=curr;
}
for(int i=n-1;i>pos;i--)
{
curr--;
if(curr==0)curr=n;
if(gondolaSeq[i]>n)order.push_back({gondolaSeq[i],curr});
gondolaSeq[i]=curr;
}
}
sort(order.begin(),order.end());
int last=n;
for(int i=0;i<order.size();i++)
{
int ind=order[i].first;
int frst=order[i].second;
replacementSeq[ans++]=frst;
for(int j=last+2;j<=ind;j++)
{
replacementSeq[ans++]=j-1;
}
last=ind;
}
return ans;
}
//----------------------
int countReplacement(int n, int inputSeq[])
{
return -3;
}
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