제출 #7672

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
7672		dohyun0324	곤돌라 (IOI14_gondola)	C++98	25 / 100	12 ms	6752 KiB

gondola

#include "gondola.h"
#include<algorithm>
using namespace std;
int a[100010],ch[250010],visit[250010];
struct data
{
    int x,y;
    bool operator<(const data&r)const
    {
        return x<r.x;
    }
}arr[250010];
int valid(int n, int inputSeq[])
{
    int i,k=0;
    for(i=0;i<n;i++)
    {
        if(visit[inputSeq[i]]==1) return 0;
        visit[inputSeq[i]]=1;
        if(inputSeq[i]<=n) ch[inputSeq[i]]=i+1;
    }
    for(i=1;i<=n;i++)
    {
        if(ch[i]!=0 && k==0)
        {
            k=ch[i];
            continue;
        }
        if(k!=0)
        {
            k++;
            if(k>n) k=1;
        }
        if(ch[i]!=0 && k!=ch[i]) return 0;
    }
    return 1;
}

//----------------------

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
    int s,i,big=0,k=1,w=0,top=0,pos,p;
    for(i=0;i<n;i++)
    {
        ch[gondolaSeq[i]]=i;
        if(gondolaSeq[i]<=n) visit[i]=1;
        if(big<gondolaSeq[i]) big=gondolaSeq[i];
        if(gondolaSeq[i]<=n) pos=i,p=gondolaSeq[i];
    }
    for(i=0;i<n;i++)
    {
        if(visit[i]==0)
        {
            top++;
            arr[top].x=gondolaSeq[i];
            arr[top].y=i;
        }
    }
    sort(arr+1,arr+top+1);
    for(i=pos;i<=pos+n-1;i++)
    {
        a[i%n]=p;
        p++;
        if(p==n+1) p=1;
    }
    for(i=n+1;i<=big;i++)
    {
        if(ch[i]==0)
        {
            replacementSeq[w++]=a[arr[k].y];
            a[arr[k].y]=i;
        }
        else
        {
            replacementSeq[w++]=a[arr[k].y];
            a[arr[k].y]=i;
            k++;
        }
    }
    return w;
}

//----------------------

int countReplacement(int n, int inputSeq[])
{
  return -3;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 20
• Subtask 7: 0 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10