Submission #345686

#	Time	Username	Problem	Language	Result	Execution time	Memory
345686		ogibogi2004	Gondola (IOI14_gondola)	C++14	20 / 100	70 ms	6764 KiB

gondola

#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
int valid(int n, int inputSeq[])
{
	vector<int>v;
	set<int>s;
	set<int>s2;
	for(int i=0;i<n;i++)
	{
		s.insert(inputSeq[i]);
		if(inputSeq[i]<=n)
		{
			int t=inputSeq[i]-i;
			if(t<0)t+=n;
			s2.insert(t);
		}
	}
	if(s.size()!=n)return 0;
	if(s2.size()>1)return 0;
	return 1;
	int t=v.size();
	for(int i=0;i<t;i++)v.push_back(v[i]);
	int cnt=0;
	bool ok=0;
	for(int i=1;i<v.size();i++)
	{
		if(v[i]>v[i-1])cnt++;
		else cnt=0;
		if(cnt==t-1)
		{
			ok=1;
		}
	}
	return ok;
	return -1;
}

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

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:19:13: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   19 |  if(s.size()!=n)return 0;
      |     ~~~~~~~~^~~
gondola.cpp:26:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |  for(int i=1;i<v.size();i++)
      |              ~^~~~~~~~~

• 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