Submission #1300478

#	Time	Username	Problem	Language	Result	Execution time	Memory
1300478		m.zeeshanrashid	Gondola (IOI14_gondola)	C++20	20 / 100	33 ms	5124 KiB

gondola

#include "gondola.h"
#include "bits/stdc++.h"
using namespace std;

int valid(int n, int seq[])
{
	vector<int>a(n,0);
	map<int,int>d;
	for(int i=0;i<n;i++){
		d[seq[i]]++;
		if(d[seq[i]]>1) return 0;
	}
	for(int i=0;i<n;i++){
		a[i]=i;
		if(seq[i]<=n){
			a[i]=seq[i]%n;
			for(int j=i-1;j>=0;j--) a[j]=(a[j+1]-1+n)%n;
			for(int j=i+1;j<n;j++) a[j]=(a[j-1]+1)%n;
			break;
		}
	}
	for(auto &i:a) if(i==0) i=n;
	for(int i=0;i<n;i++){
		if(seq[i]<=n and a[i]!=seq[i]) return 0;
	}
	return 1;
}

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

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

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

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

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 0 / 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