oj.uz

답안 #118901

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
118901 2019-06-20T00:51:04 Z ly20 곤돌라 (IOI14_gondola) C++17
75 / 100
 59 ms 5240 KB 
#include<bits/stdc++.h>
using namespace std;
const int INF=1123456789,MAXN=250010,MOD=1e9+9,MAXL=32;
#define debug(args...) //fprintf(stderr,args)
map<int,int> vld;
int marc[MAXN];
#include "gondola.h"
int valid(int n,int seq[])
{
	int mn=INF,at=INF,at2=INF,id0=0;
	int st=0;
	bool vl=1;
	for(int i=0;i<n;i++)
	{
		if(vl==0)debug("%d\n",i);
		if(vld[seq[i]]>0)vl=0;
		vld[seq[i]]++;
		if(st==0)
		{
			if(seq[i]>n)continue;
			if(seq[i]<at && at==INF)
			{
				at=seq[i];mn=seq[i];
				id0=(i+1-mn+n)%n;
			}
			else if(seq[i]<at)
			{
				at2=seq[i];st=1;
				if(at2>mn)vl=0;
			}
			else
			{
				if((id0+seq[i]-1)%n!=i)vl=0;
				at=seq[i];
			}
		}
		else
		{
			if(seq[i]>n)continue;
			if(seq[i]<at2 || seq[i]>mn || seq[i]>at)vl=0;
			if((id0+seq[i]-1)%n!=i)vl=0;
			at2=seq[i];
		}
		debug("%d %d %d\n",i,id0,(id0+seq[i])%n);
	}	
	return vl;
}
int replacement(int n,int seq[],int replacementseq[])
{
	vector<pair<int,int> > v;
	int mn=INF,at=INF,at2=INF,id0=0,mx=0,imx=0;
	int st=0;
	bool vl=1;
	for(int i=0;i<n;i++)
	{
		marc[seq[i]]=1;
		if(mx<seq[i])imx=i;
		mx=max(mx,seq[i]);
		if(vl==0)debug("%d\n",i);
		if(vld[seq[i]]>0)vl=0;
		vld[seq[i]]++;
		if(st==0)
		{
			if(seq[i]>n)continue;
			if(seq[i]<at && at==INF)
			{
				at=seq[i];mn=seq[i];
				id0=(i+1-mn+n)%n;
			}
			else if(seq[i]<at)
			{
				at2=seq[i];st=1;
				if(at2>mn)vl=0;
			}
			else
			{
				if((id0+seq[i]-1)%n!=i)vl=0;
				at=seq[i];
			}
		}
		else
		{
			if(seq[i]>n)continue;
			if(seq[i]<at2 || seq[i]>mn || seq[i]>at)vl=0;
			if((id0+seq[i]-1)%n!=i)vl=0;
			at2=seq[i];
		}
		debug("%d %d %d\n",i,id0,(id0+seq[i])%n);
	}
	int cnt=0,lst=(imx-id0+n)%n+1;
	for(int i=0;i<n;i++)if(seq[i]>n && seq[i]!=mx)replacementseq[seq[i]-n-1]=(i-id0+n)%n+1;
	for(int i=n+1;i<mx;i++)
	{
		if(!marc[i] && cnt==0)
		{
			replacementseq[i-n-1]=(imx-id0+n)%n+1;
			cnt=1;
			lst=i;
		}
		else if(!marc[i])
		{
			replacementseq[i-n-1]=lst;
			lst=i;
		}
	}
	for(int i=0;i<n;i++)if(seq[i]==mx)replacementseq[mx-n-1]=lst;
	//for(int i=0;i<mx-n;i++)printf("%d ",replacementseq[i]);
	//printf("\n");
	return mx-n;
}
long long fst_exp(long long n,int k)
{
	long long val=n;
	long long resp=1;
	for(int i=MAXL-1;i>=0;i--)
	{
		resp*=resp;
		if(k&(1<<i))resp*=val;
		if(resp>MOD)resp=resp%MOD;
	}
	return resp;
}
long long fat(long long n)
{
	if(n==1)return 1;
	else return (n*fat(n-1))%MOD;
}
int countReplacement(int n1,int seq[])
{
	long long n=n1;
	vector<int> v;
	int mn=INF,at=INF,at2=INF,id0=0,mx=0,imx=0;
	int st=0;
	bool vl=1;
	for(int i=0;i<n;i++)
	{
		if(seq[i]>n)v.push_back(seq[i]);
		if(mx<seq[i])imx=i;
		mx=max(mx,seq[i]);
		if(vl==0)debug("%d\n",i);
		if(vld[seq[i]]>0)vl=0;
		vld[seq[i]]++;
		if(st==0)
		{
			if(seq[i]>n)continue;
			if(seq[i]<at && at==INF)
			{
				at=seq[i];mn=seq[i];
				id0=(i+1-mn+n)%n;
			}
			else if(seq[i]<at)
			{
				at2=seq[i];st=1;
				if(at2>mn)vl=0;
			}
			else
			{
				if((id0+seq[i]-1)%n!=i)vl=0;
				at=seq[i];
			}
		}
		else
		{
			if(seq[i]>n)continue;
			if(seq[i]<at2 || seq[i]>mn || seq[i]>at)vl=0;
			if((id0+seq[i]-1)%n!=i)vl=0;
			at2=seq[i];
		}
		debug("%d %d %d\n",i,id0,(id0+seq[i])%n);
	}
	if(vl==0)return vl;
	sort(v.begin(),v.end());
	long long resp=1;
	int cnt=0,lst=n;
	for(int i=0;i<v.size();i++)
	{
		resp*=fst_exp(v.size()-i,v[i]-lst-1);
		//printf("%lld %d %d %d %d\n",resp,v.size()-i,v[i]-lst-1,v[i],lst);
		if(resp>MOD)resp%=MOD;
		lst=v[i];
	}
	long long k1=n;
	if(v.size()==n)resp=fst_exp(n,n+1);
	if(v.size()==0)resp=1;
	resp%=MOD;
	//for(int i=0;i<mx-n;i++)printf("%d ",replacementseq[i]);
	//printf("\n");
	return resp;
}
/*int main()
{
	int n;
	int v[40],k[40];
	scanf("%d",&n);
	for(int i=0;i<n;i++)scanf("%d",&v[i]);
	printf("%d\n",countReplacement(n,v));
	return 0;
}*/

Compilation message

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:175:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<v.size();i++)
              ~^~~~~~~~~
gondola.cpp:183:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(v.size()==n)resp=fst_exp(n,n+1);
     ~~~~~~~~^~~
gondola.cpp:132:39: warning: variable 'imx' set but not used [-Wunused-but-set-variable]
  int mn=INF,at=INF,at2=INF,id0=0,mx=0,imx=0;
                                       ^~~
gondola.cpp:174:6: warning: unused variable 'cnt' [-Wunused-variable]
  int cnt=0,lst=n;
      ^~~
gondola.cpp:182:12: warning: unused variable 'k1' [-Wunused-variable]
  long long k1=n;
            ^~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 16 ms 2176 KB Output is correct
7 Correct 43 ms 3676 KB Output is correct
8 Correct 30 ms 4088 KB Output is correct
9 Correct 10 ms 1536 KB Output is correct
10 Correct 40 ms 4600 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 16 ms 2176 KB Output is correct
7 Correct 40 ms 3704 KB Output is correct
8 Correct 29 ms 3960 KB Output is correct
9 Correct 10 ms 1536 KB Output is correct
10 Correct 40 ms 4600 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 21 ms 2176 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 53 ms 4728 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 34 ms 4728 KB Output is correct
12 Correct 41 ms 5240 KB Output is correct
13 Correct 27 ms 3200 KB Output is correct
14 Correct 40 ms 4600 KB Output is correct
15 Correct 26 ms 3456 KB Output is correct

Subtask #7
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct

Subtask #8
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct

Subtask #9
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Incorrect 54 ms 4340 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Incorrect 59 ms 4312 KB Output isn't correct
10 Halted 0 ms 0 KB -