Submission #93787

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
93787	2019-01-11 10:51:39	Bodo171	Gondola (IOI14_gondola)	C++14	90 / 100	28 ms	4856 KiB

gondola

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#include "gondola.h"
#include <iostream>
using namespace std;
const int nmax=100005;
const long long mod=1000*1000*1000+9;
int ap[10*nmax];
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;
   }
  return 1;
}
 
 
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• Subtask 5: 10 / 10
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• Subtask 9: 15 / 15
• Subtask 10: 0 / 10