Submission #1019502

#	Time	Username	Problem	Language	Result	Execution time	Memory
1019502		pcc	Gondola (IOI14_gondola)	C++17	20 / 100	28 ms	5236 KiB

gondola

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

int valid(int n, int arr[]){
	int cen = -1;
	set<int> st;
	for(int i = 0;i<n;i++){
		if(arr[i]<=n)cen = i;
		if(st.find(arr[i]) != st.end())return false;
		st.insert(arr[i]);
	}
	if(cen == -1)return true;
	int c = arr[cen];
	while(cen<n){
		if(arr[cen] != c&&arr[cen]<=n)return false;
		c++;
		if(c>n)c -= n;
		cen++;
	}
	cen = 0;
	while(cen<n){
		if(arr[cen] != c&&arr[cen]<=n)return false;
		c++;
		if(c>n)c -= n;
		cen++;
	}
	return true;
}

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

int replacement(int n, int gondolaSeq[], 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