Submission #737708

#	Time	Username	Problem	Language	Result	Execution time	Memory
737708		shoryu386	곤돌라 (IOI14_gondola)	C++17	20 / 100	20 ms	5764 KiB

gondola

#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
int valid(int n, int inputSeq[])
{
	int baseline = -1;
	int baselineIdx = -1;
	for (int x = 0; x < n; x++){
		if (inputSeq[x] <= n){
			baseline = inputSeq[x];
			baselineIdx = x;
		}
	}
	unordered_set<int> hmm;
	for (int x = 0; x < n; x++){
		if (hmm.count(inputSeq[x]) != 0) return 0;
		hmm.insert(inputSeq[x]);
	}
	
	if (baseline == -1){
		return 1;
	}
	
	//baseline is supposed to be at x+1
	int shiftsRight = baselineIdx+1 - baseline;
	int shifted[n];
	for (int x = 0; x < n; x++) {
		shifted[x] = inputSeq[(x + shiftsRight + n)%n];
	}
	hmm.clear();
	
	for (int x = 0; x < n; x++){
		if (shifted[x] <= n && shifted[x] != x+1) return 0;
		
		if (hmm.count(shifted[x]) != 0) return 0;
		hmm.insert(shifted[x]);
	}
	return 1;
}

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

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