QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#850018 | #8320. 种树 | bs_penguin | 100 ✓ | 516ms | 26688kb | C++14 | 2.3kb | 2025-01-09 19:48:47 | 2025-01-09 19:48:49 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int h[75],cnt,poi,po[75],siz[75];
unsigned __int128 ans,m,f[75];
struct did{
int to,nxt;
}e[155];
void dfs(int x){
// cout<<x<<" "<<cnt<<"\n";
siz[x]=1;
for(int i=h[x],y;i;i=e[i].nxt){
y=e[i].to;
dfs(y);
siz[x]+=siz[y];
}
}
void print(int x){
if(x>=10)print(x/10);
putchar(x%10+'0');
}
void csh(){
f[1]=1;
for(int i=1;i<=70;i++){
for(int j=1;j<i;j++){
f[i]+=f[j]*f[i-j];
}
}
}
unsigned __int128 dp(int x){
int res=siz[x];
unsigned __int128 sum=0;
for(int i=h[x],y;i;i=e[i].nxt){
y=e[i].to;
for(int j=1;j<siz[y];j++){
sum+=f[j]*f[res-j];
}
res-=siz[y];
sum+=dp(y)*f[res];
}
return sum;
}
unsigned __int128 encoder(int n, const int *p)
{
ans=0;
if(!f[1]){
csh();
}
for(int i=1;i<=n;i++)h[i]=0;
for(int i=n;i>=2;i--){
e[i]={i,h[p[i]]};
h[p[i]]=i;
}
dfs(1);
return dp(1);
}
int k[75];
void decode(int x,int siz,unsigned __int128 num){
// cout<<x<<' '<<siz<<"\n";
while(siz>1){
int i=1;
while(1){
if(num>=f[i]*f[siz-i])num-=f[i]*f[siz-i];
else{
po[++cnt]=x;
decode(cnt,i,num/f[siz-i]);
num%=f[siz-i];
siz-=i;
break;
}
i++;
}
}
}
void decoder(int n, unsigned __int128 M, int *p)
{
m=M;
po[1]=p[1]=0;
if(n==1)return ;
cnt=1;
if(!f[1]){
csh();
}
decode(1,n,m);
for(int i=1;i<=n;i++)p[i]=po[i];
return ;
}
// int main(){
// int t;
// cin>>t;
// while(t--){
// int n;
// cin>>n;
// int a[75],b[75];
// for(int i=1;i<=n;i++){
// cin>>a[i];
// }
// memset(b,0,sizeof(b));
// unsigned long long x=encoder(n,a);
// // print(x);
// // cout<<'\n';
// decoder(n,x,b);
// for(int i=1;i<=n;i++)cout<<b[i]<<"\n";
// }
// }
/*
1
31
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
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12
13
13
14
14
15
15
*/
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 20
Accepted
Test #1:
score: 20
Accepted
time: 15ms
memory: 6068kb
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 94295396480570588193565136480873138 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 1...
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 94295396480570588193565136480873138 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 1...
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 94295396480570588193565136480873138 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 1...
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: 16ms
memory: 4372kb
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 723178141248849160013052545237377012 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 723178141248849160013052545237377012 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 723178141248849160013052545237377012 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: 452ms
memory: 25840kb
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 180578025385120277877941711259748853179 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 2...
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 180578025385120277877941711259748853179 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 2...
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 180578025385120277877941711259748853179 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 2...
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: 470ms
memory: 26688kb
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 8447676714480522165231579637469133727 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 1...
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 8447676714480522165231579637469133727 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 1...
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 8447676714480522165231579637469133727 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 1...
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: 516ms
memory: 26224kb
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 137887995841540204383746989127288597931 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 137887995841540204383746989127288597931 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 137887995841540204383746989127288597931 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.