제출 #586542

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
586542		Red_Inside	곤돌라 (IOI14_gondola)	C++17	0 / 100	1 ms	340 KiB

gondola

#include "gondola.h"

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define f first
#define s second
#define forn(j, i, n) for(int i = j; i <= n; ++i)
#define FOR(j, i, n) for(int i = j; i < n; ++i)
#define nfor(j, i, n) for(int i = n; i >= j; --i)
#define IOS ios_base::sync_with_stdio(false), cin.tie(), cout.tie();
#define all(v) v.begin(), v.end()
#define pb push_back

const int maxn = 3e5+100;

//#define int ll
#define pii pair <int, int>
int inf = 1e9;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int a[maxn], was[maxn], b[maxn];

int valid(int n, int inputSeq[])
{
	forn(1, i, n)
	{
		a[i] = inputSeq[i-1];
		was[a[i]]++;
		if(was[a[i]] >= 2)
		{
			return 0;
		}
	}
	int start = -1;
	forn(1, i, n)
	{
		if(a[i] <= n)
		{
			start = i;
			break;
		}
	}
	if(start == -1) return 1;
	forn(1, i, n)
	{
		b[(i-start+n)%n+1] = a[i];
	}
	forn(1, i, n)
	{
		if(b[i] > n) continue;
		if(b[i] != i) return 0;
	}
	return 1;
}

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

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

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

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