QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#850928#8320. 种树TaoRan100 ✓428ms28116kbC++141.4kb2025-01-10 13:11:452025-01-10 13:11:46

Judging History

你现在查看的是最新测评结果

  • [2025-01-10 13:11:46]
  • 评测
  • 测评结果:100
  • 用时:428ms
  • 内存:28116kb
  • [2025-01-10 13:11:45]
  • 提交

answer

#include<bits/stdc++.h>
#define i8 unsigned __int128

const int N=140;
i8 c[N+5][N+5];
void init(){
	for(int i=0;i<=N;i++){
		c[i][0]=1;
		for(int j=1;j<=i;j++){
			c[i][j]=c[i-1][j-1]+c[i-1][j];
		}
	}
}
i8 calc(int h,int l){
	if(h<0||h>l){
		return 0;
	}
	return c[l][(l-h)/2]-c[l][(l-h)/2-1];
}

std::vector<int>e[N+5];
int a[N+5],z;
void dfs(int x){
	std::sort(e[x].begin(),e[x].end());
	for(int y:e[x]){
		a[++z]=0;
		dfs(y);
		a[++z]=1;
	}
}

i8 encoder(int n,const int *p){
	if(!c[0][0])init();
	for(int i=0;i<=n;i++){
		e[i].clear();
	}
	for(int i=1;i<=n;i++){
		e[p[i]].push_back(i);
	}
	z=0;
	dfs(1);
	int h=0,zong=n*2-2;i8 ans=0;
	for(int i=1;i<=zong;i++){
		if(a[i]==0){
			h++;
		}
		else{
			h--;
			ans+=calc(h+2,zong-i);
			//printf("add %d:%d\n",i,(int)calc(h+2,zong-i));
		}
	}
	return ans;
}

//int b[N+5];
int st[N+5];
void decoder(int n,i8 M, int *p){
	if(!c[0][0])init();
	int h=0,zong=n*2-2,top=1,cnt=1;
	p[1]=0;
	st[1]=1;
	for(int i=1;i<=zong;i++){
		i8 x=calc(h+1,zong-i);
		if(M>=x){
			M-=x;
			top--;
			h--;
			//printf("down %d\n",i);
			//b[i]=0;
		}
		else{
			h++;
			//b[i]=1;
			//printf("up %d\n",i);
			st[++top]=++cnt;
			p[cnt]=st[top-1];
		}
	}
}
/*
int x[10]={0,0,4,1,1,3},y[10];
int main(){
	int n=5;i8 oo=0;
	decoder(n,oo=encoder(n,x),y);
	for(int i=1;i<=n;i++){
		printf("%d ",y[i]);
	}
	printf(":%d\n",(int)oo);
}
*/

詳細信息

Subtask #1:

score: 20
Accepted

Test #1:

score: 20
Accepted
time: 8ms
memory: 6268kb

Manager to Encoder

3000
64
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 36 14 30 9 50 27 42 13 18 34 16 12 22 47 
4731234640525471555516668260
65
0 1 2 2 2 3 1 7 1 8 6 10 8 6 5 1 15 1 6 18 2 6 12 10 14 13 10 9 20 29 17 16 19...

Encoder to Manager

3000
64
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 36 14 30 9 50 27 42 13 18 34 16 12 22 47 
4731234640525471555516668260
65
0 1 2 2 2 3 1 7 1 8 6 10 8 6 5 1 15 1 6 18 2 6 12 10 14 13 10 9 20 29 17 16 19...

Manager to Decoder

3000
64
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 36 14 30 9 50 27 42 13 18 34 16 12 22 47 
4731234640525471555516668260
65
0 1 2 2 2 3 1 7 1 8 6 10 8 6 5 1 15 1 6 18 2 6 12 10 14 13 10 9 20 29 17 16 19...

Decoder to Manager

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 24 24 27 24 24 24 31 24 24 24 24 36 24 24 39 24 24 24 24 24 24 46 24 24 24 24 24 52 24 24 24 56 22 18 16 14 13 12 9 
0 1 2 3 4 4 6 4 8 9 10 11 11 10 10 15 9 8 4 19 4 4 2 2 24 25 26 27 27 24 30 2 2 1 34 35 36 37 38 36 36 35 42 35 1 45 4...

result:

ok Right output.

Subtask #2:

score: 15
Accepted

Test #2:

score: 15
Accepted
time: 13ms
memory: 6168kb

Manager to Encoder

3000
66
0 1 1 2 4 2 6 7 3 3 6 9 10 10 13 4 8 12 15 5 18 15 9 13 8 5 17 20 17 16 11 19 18 30 29 22 23 35 37 33 36 27 27 7 23 25 21 46 22 45 40 25 20 43 38 41 34 35 34 29 50 42 47 24 24 40 
197717562989865708880231493723278248
70
0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

Encoder to Manager

3000
66
0 1 1 2 4 2 6 7 3 3 6 9 10 10 13 4 8 12 15 5 18 15 9 13 8 5 17 20 17 16 11 19 18 30 29 22 23 35 37 33 36 27 27 7 23 25 21 46 22 45 40 25 20 43 38 41 34 35 34 29 50 42 47 24 24 40 
197717562989865708880231493723278248
70
0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

Manager to Decoder

3000
66
0 1 1 2 4 2 6 7 3 3 6 9 10 10 13 4 8 12 15 5 18 15 9 13 8 5 17 20 17 16 11 19 18 30 29 22 23 35 37 33 36 27 27 7 23 25 21 46 22 45 40 25 20 43 38 41 34 35 34 29 50 42 47 24 24 40 
197717562989865708880231493723278248
70
0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

Decoder to Manager

0 1 2 3 4 5 5 4 3 9 10 11 11 2 14 15 16 17 18 19 18 21 17 23 24 25 24 23 16 29 30 29 15 14 34 1 36 37 38 39 40 41 39 43 44 44 37 47 48 47 50 51 36 53 54 55 56 55 58 59 60 58 54 63 63 53 
0 1 1 1 4 1 1 1 1 9 1 11 12 1 1 1 1 17 18 19 17 21 1 23 23 1 26 1 1 1 1 31 32 31 1 35 1 1 38 39 1 1 42 1 44 45 1 ...

result:

ok Right output.

Subtask #3:

score: 15
Accepted

Test #3:

score: 15
Accepted
time: 428ms
memory: 26952kb

Manager to Encoder

100000
70
0 1 2 2 2 2 1 2 4 8 3 1 6 12 13 6 1 14 2 8 3 6 2 1 8 25 24 5 10 11 30 28 15 7 23 20 12 29 28 17 31 27 10 18 6 3 38 39 40 43 7 33 23 23 38 28 24 26 57 44 16 18 20 39 9 26 25 16 67 58 
32480491403724948511343344513341080666
67
0 1 1 1 1 4 3 4 6 2 10 3 10 7 14 6 11 15 7 13 6 14 18 9 9 4 20 24...

Encoder to Manager

100000
70
0 1 2 2 2 2 1 2 4 8 3 1 6 12 13 6 1 14 2 8 3 6 2 1 8 25 24 5 10 11 30 28 15 7 23 20 12 29 28 17 31 27 10 18 6 3 38 39 40 43 7 33 23 23 38 28 24 26 57 44 16 18 20 39 9 26 25 16 67 58 
32480491403724948511343344513341080666
67
0 1 1 1 1 4 3 4 6 2 10 3 10 7 14 6 11 15 7 13 6 14 18 9 9 4 20 24...

Manager to Decoder

100000
70
0 1 2 2 2 2 1 2 4 8 3 1 6 12 13 6 1 14 2 8 3 6 2 1 8 25 24 5 10 11 30 28 15 7 23 20 12 29 28 17 31 27 10 18 6 3 38 39 40 43 7 33 23 23 38 28 24 26 57 44 16 18 20 39 9 26 25 16 67 58 
32480491403724948511343344513341080666
67
0 1 1 1 1 4 3 4 6 2 10 3 10 7 14 6 11 15 7 13 6 14 18 9 9 4 20 24...

Decoder to Manager

0 1 2 3 4 5 6 3 3 2 10 11 2 13 14 14 16 16 14 2 20 21 22 23 20 25 25 20 20 2 30 31 32 33 33 31 36 30 38 38 30 41 42 43 42 41 46 2 2 49 49 49 1 53 53 1 56 57 58 59 58 56 1 63 64 1 66 67 66 69 
0 1 2 3 4 5 3 7 8 8 8 8 7 7 3 15 2 17 1 19 20 21 22 23 24 23 23 27 21 29 21 20 20 33 20 35 20 37 37 20 20 19...

result:

ok Right output.

Subtask #4:

score: 20
Accepted

Test #4:

score: 20
Accepted
time: 404ms
memory: 28116kb

Manager to Encoder

100000
68
0 1 1 3 4 4 3 5 7 8 8 10 9 10 11 11 14 15 7 14 13 6 17 6 21 16 20 25 9 2 5 28 25 24 30 32 27 16 23 33 27 26 42 22 15 40 2 22 31 12 47 50 18 12 38 50 39 18 52 34 38 59 56 61 19 46 55 56 
10007421962460634377349282936846853159
70
0 1 2 1 2 4 4 3 6 6 7 10 11 5 9 15 13 9 5 11 7 14 22 20 21 21 ...

Encoder to Manager

100000
68
0 1 1 3 4 4 3 5 7 8 8 10 9 10 11 11 14 15 7 14 13 6 17 6 21 16 20 25 9 2 5 28 25 24 30 32 27 16 23 33 27 26 42 22 15 40 2 22 31 12 47 50 18 12 38 50 39 18 52 34 38 59 56 61 19 46 55 56 
10007421962460634377349282936846853159
70
0 1 2 1 2 4 4 3 6 6 7 10 11 5 9 15 13 9 5 11 7 14 22 20 21 21 ...

Manager to Decoder

100000
68
0 1 1 3 4 4 3 5 7 8 8 10 9 10 11 11 14 15 7 14 13 6 17 6 21 16 20 25 9 2 5 28 25 24 30 32 27 16 23 33 27 26 42 22 15 40 2 22 31 12 47 50 18 12 38 50 39 18 52 34 38 59 56 61 19 46 55 56 
10007421962460634377349282936846853159
70
0 1 2 1 2 4 4 3 6 6 7 10 11 5 9 15 13 9 5 11 7 14 22 20 21 21 ...

Decoder to Manager

0 1 2 3 2 5 1 7 8 9 10 11 12 13 14 15 13 17 17 12 11 21 22 23 24 21 26 27 27 10 30 31 32 32 31 30 36 37 38 36 40 41 40 43 9 45 8 47 48 48 47 51 52 7 54 55 56 57 58 59 60 58 62 63 64 55 54 67 
0 1 2 3 4 3 2 7 8 9 10 11 8 13 14 15 13 17 18 7 20 21 21 23 20 1 26 27 28 29 30 31 30 29 28 35 35 27 38 39 4...

result:

ok Right output.

Subtask #5:

score: 30
Accepted

Test #5:

score: 30
Accepted
time: 419ms
memory: 25816kb

Manager to Encoder

100000
70
0 1 1 3 3 5 4 5 8 8 4 9 11 9 11 14 7 13 2 14 17 15 12 6 18 21 20 22 18 25 7 10 27 22 15 32 30 6 33 38 25 19 10 16 32 36 23 36 41 29 38 17 21 16 45 37 23 24 37 19 30 29 27 42 53 41 2 64 58 40 
57153696601851741769130098674230963498
65
0 1 2 3 3 4 2 5 5 6 10 10 8 1 13 5 6 4 4 5 5 15 16 16 6 ...

Encoder to Manager

100000
70
0 1 1 3 3 5 4 5 8 8 4 9 11 9 11 14 7 13 2 14 17 15 12 6 18 21 20 22 18 25 7 10 27 22 15 32 30 6 33 38 25 19 10 16 32 36 23 36 41 29 38 17 21 16 45 37 23 24 37 19 30 29 27 42 53 41 2 64 58 40 
57153696601851741769130098674230963498
65
0 1 2 3 3 4 2 5 5 6 10 10 8 1 13 5 6 4 4 5 5 15 16 16 6 ...

Manager to Decoder

100000
70
0 1 1 3 3 5 4 5 8 8 4 9 11 9 11 14 7 13 2 14 17 15 12 6 18 21 20 22 18 25 7 10 27 22 15 32 30 6 33 38 25 19 10 16 32 36 23 36 41 29 38 17 21 16 45 37 23 24 37 19 30 29 27 42 53 41 2 64 58 40 
57153696601851741769130098674230963498
65
0 1 2 3 3 4 2 5 5 6 10 10 8 1 13 5 6 4 4 5 5 15 16 16 6 ...

Decoder to Manager

0 1 2 3 4 5 3 2 1 9 10 11 12 13 13 15 12 11 10 19 20 21 22 23 24 24 23 22 28 28 21 31 31 19 34 35 35 34 9 39 40 41 42 40 44 45 44 39 48 49 50 51 51 49 54 55 55 54 58 59 60 59 48 63 64 65 65 64 68 63 
0 1 2 3 4 5 6 7 6 6 10 11 11 10 14 10 6 6 5 19 19 21 5 23 5 4 26 4 28 29 30 3 32 33 34 35 36 37 37 3...

result:

ok Right output.