제출 #93788

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
93788	2019-01-11 10:58:13	Bodo171	곤돌라 (IOI14_gondola)	C++14	75 / 100	75 ms	10360 KiB

gondola

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#include "gondola.h"
#include <iostream>
#include <map>
#include <algorithm>
using namespace std;
const int nmax=100005;
const long long mod=1000*1000*1000+9;
map<int,int> ap;
int v[nmax];
int i,act;
void permuta(int a[],int b[],int n)
{
    int offset=0;
    for(int i=0;i<n;i++)
        if(a[i]<=n)
            offset=i+1-a[i];
    for(int i=0;i<n;i++)
        b[i]=a[(i+offset+n)%n];
}
int valid(int n, int inputSeq[])
{
  permuta(inputSeq,v,n);
  for(int i=0;i<n;i++)
    {
        if(v[i]<=n&&v[i]!=i+1)
           return 0;
        if(ap[v[i]]) return 0;
        ap[v[i]]=1;
   }
 
 
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