Submission #230286

#	Time	Username	Problem	Language	Result	Execution time	Memory
230286		monus1042	Gondola (IOI14_gondola)	C++17	0 / 100	5 ms	384 KiB

gondola

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

int valid(int n, int inputSeq[])
{
	unordered_set<int> ch;
	for (int i=0; i<n; i++){
		ch.insert(inputSeq[i]);
	}
	if (ch.size()==n){
		int fi=-1, se=-1;
		for (int i=0; i<n; i++){
			if (1<=inputSeq[i] && inputSeq[i]<=n){
				fi=inputSeq[i];
				se=i;
				break;
			}
		}
		if (fi==-1){
			return 1;
		}else{
			bool check=1;
			for (int i=se, track=fi; i<se+n; i++, track++){
				if (1<=inputSeq[i%n] && inputSeq[i%n]<=n){
					if (inputSeq[i%n] == track){
						
					}else{
						check=0;
						break;
					}
				}
			}
			if (check) return 1;
			return 0;
		}
	}else{
		return 0;
	}
}

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

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

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

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

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:11:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if (ch.size()==n){
      ~~~~~~~~~^~~

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