제출 #731239

#제출 시각아이디문제언어결과실행 시간메모리
731239lucri곤돌라 (IOI14_gondola)C++17
20 / 100
14 ms1032 KiB
#include <stdio.h>
#include <assert.h>
#include "gondola.h"
int poz[100010];
bool e[250010];
int valid(int n, int inputSeq[])
{
    for(int i=0;i<=n;++i)
    {
        if(e[inputSeq[i]])
            return 0;
        e[inputSeq[i]]=true;
        if(1<=inputSeq[i]&&inputSeq[i]<=n)
            poz[inputSeq[i]]=i+1;
    }
    int dif=-1;
    for(int i=1;i<=n;++i)
        if(poz[i])
        {
            int val;
            if(i<=poz[i])
                val=poz[i]-i;
            else
                val=poz[i]+n-i;
            if(dif==-1)
                dif=val;
            else if(dif!=val)
                return 0;
        }
    return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  return -2;
}

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

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