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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#291223#4811. Be CarefulRadewoosh#TL 939ms66252kbC++234.6kb2023-12-26 07:09:562023-12-26 07:09:56

Judging History

你现在查看的是最新测评结果

  • [2023-12-26 07:09:56]
  • 评测
  • 测评结果:TL
  • 用时:939ms
  • 内存:66252kb
  • [2023-12-26 07:09:56]
  • 提交

answer

//~ while (clock()<=69*CLOCKS_PER_SEC)
//~ #pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("O3")
//~ #pragma GCC target ("avx2")
//~ #pragma GCC optimize("Ofast")
//~ #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//~ #pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace __gnu_pbds;
using namespace std;

template <typename T>
using ordered_set =
    tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

#define sim template < class c
#define ris return * this
#define dor > debug & operator <<
#define eni(x) sim > typename \
  enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) {
sim > struct rge { c b, e; };
sim > rge<c> range(c i, c j) { return rge<c>{i, j}; }
sim > auto dud(c* x) -> decltype(cerr << *x, 0);
sim > char dud(...);
struct debug {
#ifdef LOCAL
~debug() { cerr << endl; }
eni(!=) cerr << boolalpha << i; ris; }
eni(==) ris << range(begin(i), end(i)); }
sim, class b dor(pair < b, c > d) {
  ris << "(" << d.first << ", " << d.second << ")";
}
sim dor(rge<c> d) {
  *this << "[";
  for (auto it = d.b; it != d.e; ++it)
    *this << ", " + 2 * (it == d.b) << *it;
  ris << "]";
}
#else
sim dor(const c&) { ris; }
#endif
};
#define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "

#define shandom_ruffle random_shuffle

using ll=long long;
using pii=pair<int,int>;
using pll=pair<ll,ll>;
using vi=vector<int>;
using vll=vector<ll>;
const int nax=207;
const ll mod=998244353;
const ll d=60;

struct MyHash { std::size_t operator()(pll x) const
{
	return x.first^x.second;
} };

int n;

vi graf[nax];

int naj[nax];

ll dp[nax][nax];

pll pus;

int daj(pll v, int kt)
{
	if (kt>=2*d)
		return 0;
	if (kt<d)
		return (v.first>>kt)&1;
	return (v.second>>(kt-d))&1;
}

pll zapal(pll v, int kt)
{
	if (kt<d)
		v.first|=(1LL<<kt);
	else
		v.second|=(1LL<<(kt-d));
	return v;
}

pll zeruj_nad(pll v, int x)//usuwa wlacznie z x
{
	if (x<d)
	{
		v.second=0;
		v.first&=(1LL<<x)-1;
	}
	else
	{
		v.second&=(1LL<<(x-d))-1;
	}
	return v;
}

int najwiekszy(pll v)
{
	if (v.second)
		return d+(63-__builtin_clz(v.second));
	return (63-__builtin_clz(v.first));
}

int czylisc(int v)
{
	return graf[v].empty();
}

int moge(int v, int co)
{
	vi wek(co);
	for (int i : graf[v])
		wek[min(naj[i], co-1)]++;
	for (int i=co-1; i; i--)
	{
		if (wek[i]>1)
		{
			wek[i-1]+=wek[i]-1;
			wek[i]=1;
		}
	}
	for (int i : wek)
		if (!i)
			return 0;
	return 1;
}

void dfs0(int v, int oj)
{
	for (int &i : graf[v])
	{
		if (i==oj)
		{
			swap(i, graf[v].back());
			graf[v].pop_back();
			break;
		}
	}
	for (int i : graf[v])
		dfs0(i, v);
	
	if (czylisc(v))
	{
		naj[v]=n;
	}
	else
	{
		while(moge(v, naj[v]+1))
			naj[v]++;
	}
}

ll dppom[nax][nax];//iloma, iledziur

void dod(ll &a, ll b)
{
	a=(a+b)%mod;
}

bool mniej(int a, int b)
{
	return naj[a]<naj[b];
}

void dfs1(int v)
{
	if (czylisc(v))
		return;
	for (int i : graf[v])
		dfs1(i);
	unordered_map<pll, ll, MyHash> now, sta;
	int liscie=0;
	now[pus]=1;
	sort(graf[v].begin(), graf[v].end(), mniej);
	vi jeszcze;
	for (int i : graf[v])
		jeszcze.push_back(naj[v]);
	for (int i : graf[v])
	{
		if (czylisc(i))
		{
			liscie++;
			continue;
		}
		now.swap(sta);
		now.clear();
		for (int j=0; j<=naj[i]; j++)
		{
			int x=min(j, naj[v]+1);
			for (auto l : sta)
				dod(now[zapal(l.first, x)], l.second*dp[i][j]);
		}
		
		//~ now.swap(sta);
		//~ now.clear();
		//~ for (auto j : sta)
		//~ {
			//~ int x=najwiekszy(j.first);
			//~ int wsk=0;
			//~ for (int l=0; l<x; l++)
			//~ {
				//~ if (!daj(j.first, l))
				//~ {
					//~ if (wsk==(int)jeszcze.size() || jeszcze[wsk]<l)
						//~ x=l;
					//~ wsk++;
				//~ }
			//~ }
			//~ dod(now[zeruj_nad(j.first, x)], j.second);
		//~ }
		
		//~ jeszcze.erase(jeszcze.begin());
	}
	for (auto i : now)
	{
		int brak=0;
		for (int j=0; j<=naj[v]; j++)
		{
			if (daj(i.first, j))
				continue;
			dod(dp[v][j], i.second*dppom[liscie][brak]);
			brak++;
		}
	}
}

int main()
{
	scanf("%d", &n);
	for (int i=1; i<n; i++)
	{
		int a, b;
		scanf("%d%d", &a, &b);
		graf[a].push_back(b);
		graf[b].push_back(a);
	}
	dfs0(1, 0);
	dppom[0][0]=1;
	for (int i=1; i<nax; i++)
	{
		dppom[i][0]=dppom[i-1][0]*n%mod;
		for (int j=1; j<=i; j++)
			dppom[i][j]=(dppom[i-1][j-1]*j+dppom[i-1][j]*(n-j))%mod;
	}
	dfs1(1);
	for (int i=0; i<=n; i++)
		printf("%lld\n", dp[1][i]);
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 4092kb

input:

5
1 2
1 3
2 4
2 5

output:

55
127
34
0
0
0

result:

ok 6 numbers

Test #2:

score: 0
Accepted
time: 0ms
memory: 4096kb

input:

8
1 2
1 3
1 4
1 5
1 6
6 7
6 8

output:

69632
265534
133905
47790
12636
1944
0
0
0

result:

ok 9 numbers

Test #3:

score: 0
Accepted
time: 0ms
memory: 4200kb

input:

3
1 2
2 3

output:

1
3
0
0

result:

ok 4 number(s): "1 3 0 0"

Test #4:

score: 0
Accepted
time: 0ms
memory: 4144kb

input:

2
1 2

output:

2
1
0

result:

ok 3 number(s): "2 1 0"

Test #5:

score: 0
Accepted
time: 0ms
memory: 4148kb

input:

10
1 8
1 9
6 1
2 1
1 4
1 10
1 5
7 1
3 1

output:

1755647
612579511
359376750
200038110
104287680
49974120
21379680
7771680
2177280
362880
0

result:

ok 11 numbers

Test #6:

score: 0
Accepted
time: 1ms
memory: 4128kb

input:

10
2 8
2 9
6 2
2 1
2 4
2 10
2 5
7 2
3 2

output:

114358881
100000000
0
0
0
0
0
0
0
0
0

result:

ok 11 numbers

Test #7:

score: 0
Accepted
time: 1ms
memory: 4400kb

input:

10
7 8
8 9
6 5
2 1
3 4
9 10
4 5
7 6
3 2

output:

10
1
0
0
0
0
0
0
0
0
0

result:

ok 11 numbers

Test #8:

score: 0
Accepted
time: 1ms
memory: 4428kb

input:

10
3 6
2 4
4 9
8 4
2 5
10 5
3 7
2 1
1 3

output:

27510
31142
102399
0
0
0
0
0
0
0
0

result:

ok 11 numbers

Test #9:

score: 0
Accepted
time: 1ms
memory: 4188kb

input:

14
10 3
6 2
2 8
3 13
1 3
1 2
3 14
4 2
9 3
12 3
2 5
7 2
11 3

output:

930962871
780146137
253920328
0
0
0
0
0
0
0
0
0
0
0
0

result:

ok 15 numbers

Test #10:

score: 0
Accepted
time: 1ms
memory: 4104kb

input:

20
7 6
2 6
5 1
17 12
9 13
12 18
3 2
9 1
2 1
12 6
10 9
14 2
4 1
6 8
11 2
16 9
13 19
8 15
20 5

output:

572808214
694156482
763085092
958730326
465749894
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

result:

ok 21 numbers

Test #11:

score: 0
Accepted
time: 1ms
memory: 4172kb

input:

21
6 12
11 13
1 7
8 14
1 18
5 4
1 2
16 11
21 1
9 10
15 17
1 9
1 8
1 20
1 3
1 4
19 16
11 1
15 10
3 6

output:

778184256
242901486
277265229
855621813
564317020
918444623
408876720
314039448
593931360
0
0
0
0
0
0
0
0
0
0
0
0
0

result:

ok 22 numbers

Test #12:

score: 0
Accepted
time: 1ms
memory: 4168kb

input:

22
20 21
9 12
6 10
19 10
16 10
10 11
8 7
13 12
21 22
19 20
14 13
7 6
8 9
15 14
2 5
18 6
5 6
3 2
16 17
2 1
3 4

output:

142157709
5878180
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

result:

ok 23 numbers

Test #13:

score: 0
Accepted
time: 1ms
memory: 4440kb

input:

23
6 10
4 2
6 9
15 20
10 15
3 6
17 23
1 3
16 22
19 14
17 12
7 11
18 13
11 16
5 3
8 5
10 14
8 12
9 13
4 7
1 2
15 21

output:

7619809
175546557
7936610
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

result:

ok 24 numbers

Test #14:

score: 0
Accepted
time: 1ms
memory: 4444kb

input:

24
7 10
2 5
2 1
17 20
1 4
16 13
7 4
19 16
23 20
11 8
10 13
1 3
22 19
5 8
3 6
17 14
21 18
24 21
18 15
9 6
9 12
14 11
15 12

output:

24
576
15025
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

result:

ok 25 numbers

Test #15:

score: 0
Accepted
time: 1ms
memory: 4164kb

input:

24
22 16
17 11
15 9
13 7
8 2
1 3
5 1
6 12
9 3
14 8
21 15
17 23
19 13
7 1
24 18
2 1
5 11
1 4
4 10
18 12
20 14
10 16
1 6

output:

24
7962624
236177977
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

result:

ok 25 numbers

Test #16:

score: 0
Accepted
time: 1ms
memory: 4172kb

input:

200
1 199
95 1
1 75
177 1
66 1
157 1
85 1
1 193
1 26
8 1
38 1
151 1
1 56
63 1
1 138
1 59
190 1
1 36
1 120
156 1
115 1
1 118
171 1
6 1
113 1
20 1
83 1
1 176
33 1
153 1
1 169
22 1
1 159
1 27
87 1
1 129
1 44
174 1
1 93
77 1
1 122
1 125
1 23
1 81
112 1
173 1
1 51
32 1
96 1
184 1
116 1
67 1
1 94
1 104
19...

output:

211917199
369375874
201944418
582671162
183066248
639389350
952947539
137147613
216366713
398936459
73236543
354059031
727857197
121548413
610762100
573534011
706945631
286154195
226699593
267771858
823273748
233587424
176942776
226493975
707601105
339075191
694353149
944734662
932707579
934386415
4...

result:

ok 201 numbers

Test #17:

score: 0
Accepted
time: 1ms
memory: 4220kb

input:

200
2 199
95 2
2 75
177 2
66 2
157 2
85 2
2 193
2 26
8 2
38 2
151 2
2 56
63 2
2 138
2 59
190 2
2 36
2 120
156 2
115 2
2 118
171 2
6 2
113 2
20 2
83 2
2 176
33 2
153 2
2 169
22 2
2 159
2 27
87 2
2 129
2 44
174 2
2 93
77 2
2 122
2 125
2 23
2 81
112 2
173 2
2 51
32 2
96 2
184 2
116 2
67 2
2 94
2 104
19...

output:

356210711
85910356
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0...

result:

ok 201 numbers

Test #18:

score: 0
Accepted
time: 1ms
memory: 4812kb

input:

200
198 199
95 94
74 75
177 176
66 65
157 156
85 84
192 193
25 26
8 7
38 37
151 150
55 56
63 62
137 138
58 59
190 189
35 36
119 120
156 155
115 114
117 118
171 170
6 5
113 112
20 19
83 82
175 176
33 32
153 152
168 169
22 21
158 159
26 27
87 86
128 129
43 44
174 173
92 93
77 76
121 122
124 125
22 23
...

output:

200
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
...

result:

ok 201 numbers

Test #19:

score: 0
Accepted
time: 1ms
memory: 4464kb

input:

199
176 177
115 116
47 48
29 30
120 119
7 8
93 94
158 159
118 117
28 29
185 186
133 132
24 25
76 77
55 54
68 69
96 95
65 66
172 171
114 113
127 128
91 92
106 107
70 71
135 136
83 82
187 188
146 147
23 22
36 37
195 196
166 165
81 80
109 108
8 9
21 20
41 42
125 124
46 47
87 86
133 134
38 37
174 173
12...

output:

1
199
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
...

result:

ok 200 numbers

Test #20:

score: 0
Accepted
time: 1ms
memory: 4300kb

input:

200
28 56
82 165
53 107
94 188
67 134
51 102
69 139
18 37
10 20
33 66
179 89
156 78
53 106
93 186
113 56
9 19
8 16
65 130
33 16
41 82
37 74
197 98
26 53
18 36
195 97
30 60
132 66
81 162
61 30
40 81
26 52
168 84
79 39
128 64
27 54
68 136
91 45
40 20
122 61
108 54
3 6
118 59
91 182
177 88
15 31
133 66...

output:

115157040
769068498
218666068
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
...

result:

ok 201 numbers

Test #21:

score: 0
Accepted
time: 1ms
memory: 4240kb

input:

200
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output:

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result:

ok 201 numbers

Test #22:

score: 0
Accepted
time: 1ms
memory: 4212kb

input:

200
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output:

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result:

ok 201 numbers

Test #23:

score: 0
Accepted
time: 1ms
memory: 4248kb

input:

200
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output:

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result:

ok 201 numbers

Test #24:

score: 0
Accepted
time: 2ms
memory: 4400kb

input:

200
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output:

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result:

ok 201 numbers

Test #25:

score: 0
Accepted
time: 7ms
memory: 5116kb

input:

200
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8...

output:

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result:

ok 201 numbers

Test #26:

score: 0
Accepted
time: 12ms
memory: 5656kb

input:

200
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output:

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result:

ok 201 numbers

Test #27:

score: 0
Accepted
time: 45ms
memory: 7036kb

input:

200
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output:

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result:

ok 201 numbers

Test #28:

score: 0
Accepted
time: 95ms
memory: 10804kb

input:

200
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output:

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result:

ok 201 numbers

Test #29:

score: 0
Accepted
time: 169ms
memory: 18048kb

input:

200
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44 ...

output:

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result:

ok 201 numbers

Test #30:

score: 0
Accepted
time: 886ms
memory: 63568kb

input:

200
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68 4...

output:

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result:

ok 201 numbers

Test #31:

score: 0
Accepted
time: 939ms
memory: 66252kb

input:

200
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output:

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result:

ok 201 numbers

Test #32:

score: -100
Time Limit Exceeded

input:

200
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output:


result: