QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#811125#9840. Tree PartitionliuhengxiAC ✓321ms337740kbC++142.9kb2024-12-12 15:40:302024-12-12 15:40:32

Judging History

你现在查看的是最新测评结果

  • [2024-12-12 15:40:32]
  • 评测
  • 测评结果:AC
  • 用时:321ms
  • 内存:337740kb
  • [2024-12-12 15:40:30]
  • 提交

answer

#include<cstdio>
#include<cctype>
#include<algorithm>
#include<vector>
#define F(i,l,r) for(int i=(l),i##_end=(r);i<i##_end;++i)
#define I128 //||is_same<T,__int128_t>::value||is_same<T,__uint128_t>::value
using namespace std;
template<typename T>enable_if_t<is_integral<T>::value I128,void> readmain(T &x)
{
	bool neg=false;int c=getchar();
	for(;!isdigit(c);c=getchar())if(c=='-')neg=true;
	for(x=0;isdigit(c);c=getchar())x=(T)(10*x+(c-'0'));
	if(neg)x=-x;
}
template<typename T>T& read(T &x){readmain(x);return x;}
template<typename T,typename ...Tr>void read(T &x,Tr&... r){readmain(x);read(r...);}
constexpr int N=2e5+5,K=405,MOD=998244353,INF=0x3fffffff;
void reduce(int &x){if(x>=MOD)x-=MOD;}
void reduce_(int &x){if(x<0)x+=MOD;}
struct dsu
{
	typedef unsigned long long ull;
	static constexpr int N=3130;
	int n,f[N],l[N];
	ull a[N];
	void init(int n_)
	{
		n=(n_+63)>>6;
		F(i,0,n)f[i]=-1,l[i]=i,a[i]=-1;
	}
	int find(int x){return f[x]<0?x:f[x]=find(f[x]);}
	void erase(int x)
	{
		++x;
		if(a[x>>6]^=1ull<<(x&63))return;
		x>>=6;
		int u=find(x),v=find(x-1);
		if(f[u]>f[v])swap(u,v);
		f[u]+=f[v];f[v]=u;
		l[u]=min(l[u],l[v]);
	}
	int query(int x)
	{
		++x;
		ull s=a[x>>6]<<(63-(x&63));
		if(s)return x-__builtin_clzll(s);
		x=l[find((x>>6)-1)];
		return x<<6|(63^__builtin_clzll(a[x]));
	}
}q;
int n,k,f[N],e[N],d[N],l[N],r[N],s[N],t,c[N],w[N][K];
vector<int> adj[N];
void merge(int x,int y,int z)
{
	while(f[x]>=0)x=f[x];
	while(f[y]>=0)y=f[y];
	if(f[x]>f[y])swap(x,y);
	f[x]+=f[y];e[y]=z;f[y]=x;
}
int dep(int x){return ~d[x]?d[x]:d[x]=f[x]<0?0:dep(f[x])+1;}
int pathmin(int x,int y)
{
	int h=dep(x)-dep(y),ans=INF;
	while(h>0)--h,ans=min(ans,e[x]),x=f[x];
	while(h<0)++h,ans=min(ans,e[y]),y=f[y];
	while(x!=y)ans=min(ans,e[x]),ans=min(ans,e[y]),x=f[x],y=f[y];
	return ans;
}
int pathmax(int x,int y)
{
	int h=dep(x)-dep(y),ans=-INF;
	while(h>0)--h,ans=max(ans,e[x]),x=f[x];
	while(h<0)++h,ans=max(ans,e[y]),y=f[y];
	while(x!=y)ans=max(ans,e[x]),ans=max(ans,e[y]),x=f[x],y=f[y];
	return ans;
}
int main()
{
	read(n,k);
	F(i,0,n-1)
	{
		int u,v;read(u,v);--u,--v;
		adj[u].emplace_back(v);
		adj[v].emplace_back(u);
	}
	F(i,0,n)f[i]=-1,d[i]=-1;
	for(int u=n;~--u;)for(int v:adj[u])if(v>u)merge(u,v,u);
	F(i,0,n-1)l[i]=pathmin(i,i+1);
	F(i,0,n)f[i]=-1,d[i]=-1;
	F(u,0,n)for(int v:adj[u])if(v<u)merge(u,v,u);
	F(i,0,n-1)r[i]=pathmax(i,i+1)-1;
	t=0;
	for(int i=n-1;~--i;)
	{
		c[i]=-1;
		s[t++]=i;
		while(t&&s[t-1]<r[i])c[s[--t]]=i;
	}
	t=0;
	w[0][0]=1;
	w[1][1]=1;
	q.init(n);
	F(i,0,n-1)
	{
		if(t)F(j,0,k+1)reduce(w[i][j]+=w[s[t-1]][j]);
		s[t++]=i;
		while(t&&s[t-1]>l[i])q.erase(s[--t]);
		int v=q.query(c[i]);
		F(j,0,k)reduce(w[i+2][j+1]+=w[s[t-1]][j]);
		if(v)F(j,0,k)reduce_(w[i+2][j+1]-=w[v-1][j]);
		F(j,0,k)reduce(w[i+2][j+1]+=w[i+1][j]);
	}
	F(i,1,k+1)printf("%d\n",w[n][i]);
	return 0;
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 3ms
memory: 13244kb

input:

4 3
1 2
2 3
2 4

output:

1
2
2

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 16008kb

input:

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

output:

1
1
0
0
1
2
1

result:

ok 7 lines

Test #3:

score: 0
Accepted
time: 88ms
memory: 337148kb

input:

200000 20
1 2
1 3
1 4
6 5
6 7
6 8
12 9
12 10
12 11
13 14
13 15
13 16
20 17
20 18
20 19
21 22
21 23
21 24
21 25
1 13
6 13
12 13
20 13
21 13
27 26
27 28
27 29
32 30
32 31
32 33
34 35
34 36
34 37
38 39
38 40
38 41
43 42
43 44
43 45
46 47
46 48
46 49
46 50
27 38
32 38
34 38
43 38
46 38
51 52
51 53
51 54...

output:

1
13
176
2319
30068
384955
4875560
61165940
760811301
405332244
246475419
554163687
400425475
668396606
125703386
89953555
995149440
774574469
541392385
429619985

result:

ok 20 lines

Test #4:

score: 0
Accepted
time: 55ms
memory: 337200kb

input:

200000 20
4 1
4 2
4 3
5 6
5 7
5 8
9 10
9 11
9 12
13 14
13 15
13 16
18 17
18 19
18 20
22 21
22 23
22 24
22 25
4 13
5 13
9 13
18 13
22 13
29 26
29 27
29 28
30 31
30 32
30 33
37 34
37 35
37 36
39 38
39 40
39 41
42 43
42 44
42 45
49 46
49 47
49 48
49 50
29 39
30 39
37 39
42 39
49 39
53 51
53 52
53 54
57...

output:

1
14
185
2404
30814
390564
4902418
61000454
752983100
242139987
472863106
929714703
119782922
593712683
609125416
872539629
83372963
639293742
622266226
792288795

result:

ok 20 lines

Test #5:

score: 0
Accepted
time: 48ms
memory: 337208kb

input:

200000 20
1 2
1 3
1 4
8 5
8 6
8 7
9 10
9 11
9 12
16 13
16 14
16 15
19 17
19 18
19 20
24 21
24 22
24 23
24 25
1 16
8 16
9 16
19 16
24 16
27 26
27 28
27 29
33 30
33 31
33 32
36 34
36 35
36 37
39 38
39 40
39 41
45 42
45 43
45 44
46 47
46 48
46 49
46 50
27 39
33 39
36 39
45 39
46 39
53 51
53 52
53 54
57...

output:

1
12
158
2033
25819
324544
4044421
50013717
614106750
503048605
961357590
169415689
710064641
320301852
756985177
967742311
374036652
941058124
588191422
810964435

result:

ok 20 lines

Test #6:

score: 0
Accepted
time: 83ms
memory: 337204kb

input:

200000 20
4 1
4 2
4 3
8 5
8 6
8 7
9 10
9 11
9 12
15 13
15 14
15 16
17 18
17 19
17 20
22 21
22 23
22 24
22 25
4 15
8 15
9 15
17 15
22 15
28 26
28 27
28 29
33 30
33 31
33 32
36 34
36 35
36 37
39 38
39 40
39 41
44 42
44 43
44 45
47 46
47 48
47 49
47 50
28 39
33 39
36 39
44 39
47 39
51 52
51 53
51 54
58...

output:

1
14
185
2408
30925
392609
4934344
61457495
759192354
323633583
518118990
62869842
461787830
235002280
820524864
245863891
813843155
518367835
237965261
480206392

result:

ok 20 lines

Test #7:

score: 0
Accepted
time: 68ms
memory: 337152kb

input:

200000 20
1 2
1 3
1 4
5 6
5 7
5 8
12 9
12 10
12 11
13 14
13 15
13 16
19 17
19 18
19 20
21 22
21 23
21 24
21 25
1 13
5 13
12 13
19 13
21 13
28 26
28 27
28 29
30 31
30 32
30 33
34 35
34 36
34 37
38 39
38 40
38 41
45 42
45 43
45 44
48 46
48 47
48 49
48 50
28 38
30 38
34 38
45 38
48 38
52 51
52 53
52 54...

output:

1
12
162
2139
27808
356888
4528437
56878811
707911548
751808398
222054974
279791496
166135229
747401538
76231320
784949109
746019826
344226740
417885502
996177574

result:

ok 20 lines

Test #8:

score: 0
Accepted
time: 60ms
memory: 337580kb

input:

200000 20
2 1
2 3
2 4
2 5
10 6
10 7
10 8
10 9
14 11
14 12
14 13
14 15
17 16
17 18
17 19
17 20
24 21
24 22
24 23
24 25
26 27
26 28
26 29
26 30
33 31
33 32
33 34
33 35
36 37
36 38
36 39
36 40
45 41
45 42
45 43
45 44
47 46
47 48
47 49
47 50
55 51
55 52
55 53
55 54
58 56
58 57
58 59
58 60
64 61
64 62
64...

output:

1
6
32
163
801
3828
17892
82166
372001
1665172
7387818
32555111
142719061
623206098
716382056
798032235
111522191
907324205
649183234
711010078

result:

ok 20 lines

Test #9:

score: 0
Accepted
time: 36ms
memory: 337380kb

input:

200000 20
2 1
3 4
5 6
7 8
10 9
11 12
14 13
15 16
18 17
20 19
21 22
23 24
25 26
27 28
30 29
31 32
34 33
36 35
38 37
40 39
41 42
44 43
45 46
47 48
49 50
52 51
54 53
55 56
57 58
59 60
62 61
64 63
66 65
67 68
70 69
72 71
74 73
75 76
78 77
79 80
81 82
83 84
85 86
87 88
89 90
91 92
93 94
96 95
97 98
100 9...

output:

1
6
28
123
525
2208
9163
37593
152795
616275
2469825
9844142
39045545
154178384
606270389
378274962
284370698
119748351
103605835
50887914

result:

ok 20 lines

Test #10:

score: 0
Accepted
time: 67ms
memory: 337356kb

input:

200000 20
1 2
4 3
6 5
7 8
10 9
12 11
14 13
15 16
17 18
19 20
22 21
23 24
25 26
28 27
30 29
31 32
33 34
36 35
38 37
39 40
42 41
43 44
46 45
47 48
50 49
52 51
53 54
55 56
58 57
60 59
61 62
64 63
66 65
68 67
70 69
71 72
73 74
75 76
78 77
79 80
82 81
84 83
85 86
88 87
90 89
91 92
94 93
95 96
97 98
99 10...

output:

1
5
25
115
508
2190
9251
38406
157199
636331
2554240
10189169
40463651
160179875
632664753
498284531
840893370
717575251
148116836
172090581

result:

ok 20 lines

Test #11:

score: 0
Accepted
time: 39ms
memory: 337680kb

input:

200000 20
467 400
467 401
467 402
467 403
467 404
467 405
467 406
467 407
467 408
467 409
467 410
467 411
467 412
467 413
467 414
467 415
467 416
467 417
467 418
467 419
467 420
467 421
467 422
467 423
467 424
467 425
467 426
467 427
467 428
467 429
467 430
467 431
467 432
467 433
467 434
467 435
46...

output:

1
5
22
91
362
1400
5294
19643
71709
258203
919227
3243034
11361294
39589640
137398867
475398158
642761809
662785128
484515930
947390198

result:

ok 20 lines

Test #12:

score: 0
Accepted
time: 68ms
memory: 337608kb

input:

200000 20
455 400
455 401
455 402
455 403
455 404
455 405
455 406
455 407
455 408
455 409
455 410
455 411
455 412
455 413
455 414
455 415
455 416
455 417
455 418
455 419
455 420
455 421
455 422
455 423
455 424
455 425
455 426
455 427
455 428
455 429
455 430
455 431
455 432
455 433
455 434
455 435
45...

output:

1
5
22
90
351
1326
4904
17878
64521
231108
822900
2915704
10287661
36166071
126730974
442804706
544933029
374157333
646357026
568707420

result:

ok 20 lines

Test #13:

score: 0
Accepted
time: 67ms
memory: 336624kb

input:

200000 20
1 2
2 3
3 4
4 5
6 7
7 8
1 8
9 10
10 11
11 12
12 13
6 13
14 15
15 16
9 16
17 18
18 19
19 20
20 21
14 21
22 23
23 24
24 25
17 25
26 27
27 28
28 29
29 30
22 30
31 32
32 33
33 34
34 35
26 35
36 37
37 38
38 39
31 39
40 41
41 42
42 43
43 44
36 44
45 46
46 47
47 48
48 49
40 49
50 51
51 52
45 52
5...

output:

1
75128
825619948
444091206
829062655
278521469
237815773
597313479
230618480
802373716
773304989
712677613
237839372
746087668
488970002
17171562
966595372
573931325
526227355
786896120

result:

ok 20 lines

Test #14:

score: 0
Accepted
time: 52ms
memory: 336744kb

input:

200000 20
1 2
2 3
4 5
5 6
6 7
1 7
8 9
9 10
10 11
4 11
12 13
13 14
14 15
8 15
16 17
17 18
18 19
19 20
12 20
21 22
22 23
23 24
24 25
16 25
26 27
27 28
28 29
21 29
30 31
31 32
32 33
33 34
26 34
35 36
36 37
37 38
38 39
30 39
40 41
41 42
42 43
35 43
44 45
45 46
46 47
47 48
40 48
49 50
50 51
51 52
44 52
5...

output:

1
74924
810314840
300962407
478589319
917569974
956848093
997993685
610439861
464664111
727916732
379581436
628134845
967956923
510293112
232570299
200815218
68195908
282199335
336981800

result:

ok 20 lines

Test #15:

score: 0
Accepted
time: 63ms
memory: 336652kb

input:

200000 20
1 2
2 3
3 4
4 5
6 7
7 8
1 8
9 10
10 11
11 12
12 13
6 13
14 15
15 16
16 17
9 17
18 19
19 20
20 21
14 21
22 23
23 24
24 25
18 25
26 27
27 28
22 28
29 30
30 31
31 32
26 32
33 34
34 35
35 36
36 37
29 37
38 39
39 40
40 41
41 42
33 42
43 44
44 45
38 45
46 47
47 48
48 49
43 49
50 51
51 52
52 53
5...

output:

1
74816
802229102
87574505
650723285
656771309
903210078
759853062
497829574
934167620
19659044
378226331
541156973
747002420
518657516
877052886
534925663
978847677
544335234
759285585

result:

ok 20 lines

Test #16:

score: 0
Accepted
time: 67ms
memory: 336624kb

input:

200000 20
1 2
2 3
3 4
5 6
6 7
7 8
1 8
9 10
10 11
11 12
12 13
5 13
14 15
15 16
16 17
17 18
9 18
19 20
20 21
21 22
22 23
14 23
24 25
25 26
26 27
19 27
28 29
29 30
30 31
31 32
24 32
33 34
34 35
35 36
28 36
37 38
38 39
33 39
40 41
41 42
42 43
37 43
44 45
45 46
46 47
47 48
40 48
49 50
50 51
51 52
44 52
5...

output:

1
75374
844131479
167760448
888082583
609134201
948617932
153572706
178975301
328051520
73388765
85180514
272758077
330693357
607354014
41138540
352388304
181035418
700179830
380818871

result:

ok 20 lines

Test #17:

score: 0
Accepted
time: 60ms
memory: 336668kb

input:

200000 20
1 2
2 3
3 4
4 5
6 7
7 8
1 8
9 10
10 11
6 11
12 13
13 14
14 15
15 16
9 16
17 18
18 19
19 20
20 21
12 21
22 23
23 24
24 25
25 26
17 26
27 28
28 29
29 30
22 30
31 32
32 33
33 34
27 34
35 36
36 37
31 37
38 39
39 40
35 40
41 42
42 43
43 44
38 44
45 46
46 47
47 48
41 48
49 50
50 51
45 51
52 53
5...

output:

1
75199
830956574
357426492
112509948
195018850
421113770
193411448
335077876
377273995
475470289
268270822
77011129
165741977
462738002
565429706
856897182
215648623
387452734
155908406

result:

ok 20 lines

Test #18:

score: 0
Accepted
time: 59ms
memory: 336872kb

input:

200000 20
1 2
3 4
6 5
7 8
10 9
12 11
1 7
3 7
6 7
10 7
12 7
13 14
15 16
17 18
19 20
22 21
24 23
13 19
15 19
17 19
22 19
24 19
26 25
27 28
30 29
31 32
33 34
35 36
26 31
27 31
30 31
33 31
35 31
38 37
40 39
42 41
43 44
46 45
47 48
38 43
40 43
42 43
46 43
47 43
49 50
52 51
54 53
56 55
57 58
59 60
49 56
5...

output:

1
25022
313037746
326143902
549774611
529251151
305780838
871118941
935396901
480994057
69357038
565079041
586295267
211954109
885697920
760727702
378813144
362368839
436168000
934195921

result:

ok 20 lines

Test #19:

score: 0
Accepted
time: 52ms
memory: 336872kb

input:

200000 20
1 2
4 3
5 6
7 8
9 10
11 12
1 7
4 7
5 7
9 7
11 7
13 14
16 15
17 18
19 20
21 22
24 23
13 19
16 19
17 19
21 19
24 19
26 25
27 28
30 29
31 32
33 34
36 35
26 31
27 31
30 31
33 31
36 31
38 37
39 40
41 42
43 44
45 46
48 47
38 43
39 43
41 43
45 43
48 43
50 49
51 52
54 53
55 56
58 57
60 59
50 55
51...

output:

1
24979
311962749
864673370
738256178
859803066
635402830
556545282
855791149
536184113
221223658
204825894
469874837
321756201
125751585
559254761
403551309
409720573
327717032
474698395

result:

ok 20 lines

Test #20:

score: 0
Accepted
time: 51ms
memory: 336884kb

input:

200000 20
1 2
3 4
6 5
8 7
10 9
12 11
1 8
3 8
6 8
10 8
12 8
14 13
15 16
18 17
20 19
22 21
24 23
14 20
15 20
18 20
22 20
24 20
26 25
27 28
29 30
31 32
33 34
35 36
26 31
27 31
29 31
33 31
35 31
38 37
40 39
41 42
43 44
46 45
47 48
38 43
40 43
41 43
46 43
47 43
49 50
51 52
53 54
55 56
57 58
59 60
49 55
5...

output:

1
24966
311638113
804407690
904869492
356159781
168039729
736355042
911503299
220764485
699645233
470237319
608891505
629949150
942729056
635359884
2910092
259962910
472382352
237930444

result:

ok 20 lines

Test #21:

score: 0
Accepted
time: 39ms
memory: 336824kb

input:

200000 20
2 1
4 3
6 5
7 8
9 10
12 11
2 7
4 7
6 7
9 7
12 7
14 13
16 15
18 17
19 20
22 21
23 24
14 19
16 19
18 19
22 19
23 19
26 25
28 27
30 29
31 32
33 34
36 35
26 31
28 31
30 31
33 31
36 31
37 38
40 39
41 42
44 43
45 46
47 48
37 44
40 44
41 44
45 44
47 44
49 50
51 52
54 53
56 55
57 58
59 60
49 56
51...

output:

1
24995
312362533
867853624
113718730
125212677
984396175
115757038
835848249
140165564
289892017
653931404
693769958
908935338
786552055
691399344
607827304
79632108
715392002
843837992

result:

ok 20 lines

Test #22:

score: 0
Accepted
time: 71ms
memory: 336876kb

input:

200000 20
2 1
3 4
6 5
8 7
10 9
12 11
2 8
3 8
6 8
10 8
12 8
13 14
16 15
18 17
20 19
22 21
23 24
13 20
16 20
18 20
22 20
23 20
26 25
27 28
30 29
32 31
34 33
36 35
26 32
27 32
30 32
34 32
36 32
38 37
39 40
42 41
43 44
45 46
47 48
38 43
39 43
42 43
45 43
47 43
50 49
52 51
53 54
55 56
57 58
60 59
50 55
5...

output:

1
24987
312162609
366341775
420189392
785247360
653767722
635540731
467217164
82860127
85151628
795586249
157408413
858298559
578884196
687568581
472309769
355929158
351941926
360039605

result:

ok 20 lines

Test #23:

score: 0
Accepted
time: 279ms
memory: 337200kb

input:

200000 400
1 2
1 3
1 4
6 5
6 7
6 8
12 9
12 10
12 11
13 14
13 15
13 16
20 17
20 18
20 19
21 22
21 23
21 24
21 25
1 13
6 13
12 13
20 13
21 13
27 26
27 28
27 29
32 30
32 31
32 33
34 35
34 36
34 37
38 39
38 40
38 41
43 42
43 44
43 45
46 47
46 48
46 49
46 50
27 38
32 38
34 38
43 38
46 38
51 52
51 53
51 5...

output:

1
13
176
2319
30068
384955
4875560
61165940
760811301
405332244
246475419
554163687
400425475
668396606
125703386
89953555
995149440
774574469
541392385
429619985
153707904
106921164
198533594
172842346
145487131
395761353
802870346
718416085
974753277
889563296
782374450
719462325
425524494
7046412...

result:

ok 400 lines

Test #24:

score: 0
Accepted
time: 321ms
memory: 337152kb

input:

200000 400
4 1
4 2
4 3
5 6
5 7
5 8
9 10
9 11
9 12
13 14
13 15
13 16
18 17
18 19
18 20
22 21
22 23
22 24
22 25
4 13
5 13
9 13
18 13
22 13
29 26
29 27
29 28
30 31
30 32
30 33
37 34
37 35
37 36
39 38
39 40
39 41
42 43
42 44
42 45
49 46
49 47
49 48
49 50
29 39
30 39
37 39
42 39
49 39
53 51
53 52
53 54
5...

output:

1
14
185
2404
30814
390564
4902418
61000454
752983100
242139987
472863106
929714703
119782922
593712683
609125416
872539629
83372963
639293742
622266226
792288795
600728583
225592562
556837440
651666086
554181585
903356905
848302630
516822436
329149245
758860960
561208235
106595442
666493238
3840710...

result:

ok 400 lines

Test #25:

score: 0
Accepted
time: 272ms
memory: 337140kb

input:

200000 400
1 2
1 3
1 4
8 5
8 6
8 7
9 10
9 11
9 12
16 13
16 14
16 15
19 17
19 18
19 20
24 21
24 22
24 23
24 25
1 16
8 16
9 16
19 16
24 16
27 26
27 28
27 29
33 30
33 31
33 32
36 34
36 35
36 37
39 38
39 40
39 41
45 42
45 43
45 44
46 47
46 48
46 49
46 50
27 39
33 39
36 39
45 39
46 39
53 51
53 52
53 54
5...

output:

1
12
158
2033
25819
324544
4044421
50013717
614106750
503048605
961357590
169415689
710064641
320301852
756985177
967742311
374036652
941058124
588191422
810964435
1387914
33485362
761039784
114611071
990946263
74961464
368274761
22763708
134585439
126688829
128863621
500459393
617372699
908873145
2...

result:

ok 400 lines

Test #26:

score: 0
Accepted
time: 263ms
memory: 337204kb

input:

200000 400
4 1
4 2
4 3
8 5
8 6
8 7
9 10
9 11
9 12
15 13
15 14
15 16
17 18
17 19
17 20
22 21
22 23
22 24
22 25
4 15
8 15
9 15
17 15
22 15
28 26
28 27
28 29
33 30
33 31
33 32
36 34
36 35
36 37
39 38
39 40
39 41
44 42
44 43
44 45
47 46
47 48
47 49
47 50
28 39
33 39
36 39
44 39
47 39
51 52
51 53
51 54
5...

output:

1
14
185
2408
30925
392609
4934344
61457495
759192354
323633583
518118990
62869842
461787830
235002280
820524864
245863891
813843155
518367835
237965261
480206392
83007026
675577716
706331352
647940591
610174514
874250318
5766246
813537688
106547773
751239454
118844176
87650162
119806560
514822115
2...

result:

ok 400 lines

Test #27:

score: 0
Accepted
time: 250ms
memory: 337208kb

input:

200000 400
1 2
1 3
1 4
5 6
5 7
5 8
12 9
12 10
12 11
13 14
13 15
13 16
19 17
19 18
19 20
21 22
21 23
21 24
21 25
1 13
5 13
12 13
19 13
21 13
28 26
28 27
28 29
30 31
30 32
30 33
34 35
34 36
34 37
38 39
38 40
38 41
45 42
45 43
45 44
48 46
48 47
48 49
48 50
28 38
30 38
34 38
45 38
48 38
52 51
52 53
52 5...

output:

1
12
162
2139
27808
356888
4528437
56878811
707911548
751808398
222054974
279791496
166135229
747401538
76231320
784949109
746019826
344226740
417885502
996177574
349472094
565147431
513790346
174526581
454539286
143877766
779466898
725119790
513978107
330221565
444565735
723483613
493963275
6832927...

result:

ok 400 lines

Test #28:

score: 0
Accepted
time: 262ms
memory: 337496kb

input:

200000 400
2 1
2 3
2 4
2 5
10 6
10 7
10 8
10 9
14 11
14 12
14 13
14 15
17 16
17 18
17 19
17 20
24 21
24 22
24 23
24 25
26 27
26 28
26 29
26 30
33 31
33 32
33 34
33 35
36 37
36 38
36 39
36 40
45 41
45 42
45 43
45 44
47 46
47 48
47 49
47 50
55 51
55 52
55 53
55 54
58 56
58 57
58 59
58 60
64 61
64 62
6...

output:

1
6
32
163
801
3828
17892
82166
372001
1665172
7387818
32555111
142719061
623206098
716382056
798032235
111522191
907324205
649183234
711010078
795211021
512004677
20298100
361619834
51342569
939800938
347785401
552487155
460073712
269832902
59669787
127735227
533337026
370758508
552296758
298078972...

result:

ok 400 lines

Test #29:

score: 0
Accepted
time: 252ms
memory: 337420kb

input:

200000 400
2 1
3 4
5 6
7 8
10 9
11 12
14 13
15 16
18 17
20 19
21 22
23 24
25 26
27 28
30 29
31 32
34 33
36 35
38 37
40 39
41 42
44 43
45 46
47 48
49 50
52 51
54 53
55 56
57 58
59 60
62 61
64 63
66 65
67 68
70 69
72 71
74 73
75 76
78 77
79 80
81 82
83 84
85 86
87 88
89 90
91 92
93 94
96 95
97 98
100 ...

output:

1
6
28
123
525
2208
9163
37593
152795
616275
2469825
9844142
39045545
154178384
606270389
378274962
284370698
119748351
103605835
50887914
519623850
649536277
985432959
844855773
786738265
43425510
594141846
945032998
908786419
985255306
118929044
828715049
172550527
744245760
557900325
651137679
98...

result:

ok 400 lines

Test #30:

score: 0
Accepted
time: 248ms
memory: 337380kb

input:

200000 400
1 2
4 3
6 5
7 8
10 9
12 11
14 13
15 16
17 18
19 20
22 21
23 24
25 26
28 27
30 29
31 32
33 34
36 35
38 37
39 40
42 41
43 44
46 45
47 48
50 49
52 51
53 54
55 56
58 57
60 59
61 62
64 63
66 65
68 67
70 69
71 72
73 74
75 76
78 77
79 80
82 81
84 83
85 86
88 87
90 89
91 92
94 93
95 96
97 98
99 1...

output:

1
5
25
115
508
2190
9251
38406
157199
636331
2554240
10189169
40463651
160179875
632664753
498284531
840893370
717575251
148116836
172090581
794143415
157415919
416995381
801288969
723998988
425019613
204283937
65886743
392156464
995347716
344602632
452682326
720930530
225771033
964555543
812385975
...

result:

ok 400 lines

Test #31:

score: 0
Accepted
time: 276ms
memory: 337740kb

input:

200000 400
467 400
467 401
467 402
467 403
467 404
467 405
467 406
467 407
467 408
467 409
467 410
467 411
467 412
467 413
467 414
467 415
467 416
467 417
467 418
467 419
467 420
467 421
467 422
467 423
467 424
467 425
467 426
467 427
467 428
467 429
467 430
467 431
467 432
467 433
467 434
467 435
4...

output:

1
5
22
91
362
1400
5294
19643
71709
258203
919227
3243034
11361294
39589640
137398867
475398158
642761809
662785128
484515930
947390198
771515002
807742636
641978688
251281902
582483060
904165323
271349636
371348100
32303297
722137941
731362326
167043457
188736857
816616140
118396690
975433818
73440...

result:

ok 400 lines

Test #32:

score: 0
Accepted
time: 244ms
memory: 337624kb

input:

200000 400
455 400
455 401
455 402
455 403
455 404
455 405
455 406
455 407
455 408
455 409
455 410
455 411
455 412
455 413
455 414
455 415
455 416
455 417
455 418
455 419
455 420
455 421
455 422
455 423
455 424
455 425
455 426
455 427
455 428
455 429
455 430
455 431
455 432
455 433
455 434
455 435
4...

output:

1
5
22
90
351
1326
4904
17878
64521
231108
822900
2915704
10287661
36166071
126730974
442804706
544933029
374157333
646357026
568707420
180921859
136858975
469351643
456085795
258179111
456393836
299137929
342879872
361975739
469839096
880827106
691523974
259733168
573040878
373150726
424744524
7921...

result:

ok 400 lines

Test #33:

score: 0
Accepted
time: 255ms
memory: 336584kb

input:

200000 400
1 2
2 3
3 4
4 5
6 7
7 8
1 8
9 10
10 11
11 12
12 13
6 13
14 15
15 16
9 16
17 18
18 19
19 20
20 21
14 21
22 23
23 24
24 25
17 25
26 27
27 28
28 29
29 30
22 30
31 32
32 33
33 34
34 35
26 35
36 37
37 38
38 39
31 39
40 41
41 42
42 43
43 44
36 44
45 46
46 47
47 48
48 49
40 49
50 51
51 52
45 52
...

output:

1
75128
825619948
444091206
829062655
278521469
237815773
597313479
230618480
802373716
773304989
712677613
237839372
746087668
488970002
17171562
966595372
573931325
526227355
786896120
104733771
625597682
447084095
615928944
226888482
712378921
644151511
873336013
337375014
14693659
846235065
8106...

result:

ok 400 lines

Test #34:

score: 0
Accepted
time: 224ms
memory: 336628kb

input:

200000 400
1 2
2 3
4 5
5 6
6 7
1 7
8 9
9 10
10 11
4 11
12 13
13 14
14 15
8 15
16 17
17 18
18 19
19 20
12 20
21 22
22 23
23 24
24 25
16 25
26 27
27 28
28 29
21 29
30 31
31 32
32 33
33 34
26 34
35 36
36 37
37 38
38 39
30 39
40 41
41 42
42 43
35 43
44 45
45 46
46 47
47 48
40 48
49 50
50 51
51 52
44 52
...

output:

1
74924
810314840
300962407
478589319
917569974
956848093
997993685
610439861
464664111
727916732
379581436
628134845
967956923
510293112
232570299
200815218
68195908
282199335
336981800
511302426
331698824
914944286
668457693
598569173
825415530
105907494
420017007
835577997
11036243
682802309
7274...

result:

ok 400 lines

Test #35:

score: 0
Accepted
time: 246ms
memory: 336668kb

input:

200000 400
1 2
2 3
3 4
4 5
6 7
7 8
1 8
9 10
10 11
11 12
12 13
6 13
14 15
15 16
16 17
9 17
18 19
19 20
20 21
14 21
22 23
23 24
24 25
18 25
26 27
27 28
22 28
29 30
30 31
31 32
26 32
33 34
34 35
35 36
36 37
29 37
38 39
39 40
40 41
41 42
33 42
43 44
44 45
38 45
46 47
47 48
48 49
43 49
50 51
51 52
52 53
...

output:

1
74816
802229102
87574505
650723285
656771309
903210078
759853062
497829574
934167620
19659044
378226331
541156973
747002420
518657516
877052886
534925663
978847677
544335234
759285585
123365286
505525954
981866811
791990649
326867716
573213992
642088849
673259567
532796806
955497837
955383770
7330...

result:

ok 400 lines

Test #36:

score: 0
Accepted
time: 244ms
memory: 336680kb

input:

200000 400
1 2
2 3
3 4
5 6
6 7
7 8
1 8
9 10
10 11
11 12
12 13
5 13
14 15
15 16
16 17
17 18
9 18
19 20
20 21
21 22
22 23
14 23
24 25
25 26
26 27
19 27
28 29
29 30
30 31
31 32
24 32
33 34
34 35
35 36
28 36
37 38
38 39
33 39
40 41
41 42
42 43
37 43
44 45
45 46
46 47
47 48
40 48
49 50
50 51
51 52
44 52
...

output:

1
75374
844131479
167760448
888082583
609134201
948617932
153572706
178975301
328051520
73388765
85180514
272758077
330693357
607354014
41138540
352388304
181035418
700179830
380818871
289712996
760845472
468867095
51265418
606551745
712507652
587919100
414731666
668975592
201270524
797435133
551096...

result:

ok 400 lines

Test #37:

score: 0
Accepted
time: 224ms
memory: 336656kb

input:

200000 400
1 2
2 3
3 4
4 5
6 7
7 8
1 8
9 10
10 11
6 11
12 13
13 14
14 15
15 16
9 16
17 18
18 19
19 20
20 21
12 21
22 23
23 24
24 25
25 26
17 26
27 28
28 29
29 30
22 30
31 32
32 33
33 34
27 34
35 36
36 37
31 37
38 39
39 40
35 40
41 42
42 43
43 44
38 44
45 46
46 47
47 48
41 48
49 50
50 51
45 51
52 53
...

output:

1
75199
830956574
357426492
112509948
195018850
421113770
193411448
335077876
377273995
475470289
268270822
77011129
165741977
462738002
565429706
856897182
215648623
387452734
155908406
690700002
705558489
211183060
895057602
851104697
238964838
267031579
732130566
417773477
412000287
704262017
611...

result:

ok 400 lines

Test #38:

score: 0
Accepted
time: 278ms
memory: 336820kb

input:

200000 400
1 2
3 4
6 5
7 8
10 9
12 11
1 7
3 7
6 7
10 7
12 7
13 14
15 16
17 18
19 20
22 21
24 23
13 19
15 19
17 19
22 19
24 19
26 25
27 28
30 29
31 32
33 34
35 36
26 31
27 31
30 31
33 31
35 31
38 37
40 39
42 41
43 44
46 45
47 48
38 43
40 43
42 43
46 43
47 43
49 50
52 51
54 53
56 55
57 58
59 60
49 56
...

output:

1
25022
313037746
326143902
549774611
529251151
305780838
871118941
935396901
480994057
69357038
565079041
586295267
211954109
885697920
760727702
378813144
362368839
436168000
934195921
350924517
713024609
893096924
112290393
244186426
817961526
136240718
255798720
754791404
286385867
933576947
356...

result:

ok 400 lines

Test #39:

score: 0
Accepted
time: 273ms
memory: 336864kb

input:

200000 400
1 2
4 3
5 6
7 8
9 10
11 12
1 7
4 7
5 7
9 7
11 7
13 14
16 15
17 18
19 20
21 22
24 23
13 19
16 19
17 19
21 19
24 19
26 25
27 28
30 29
31 32
33 34
36 35
26 31
27 31
30 31
33 31
36 31
38 37
39 40
41 42
43 44
45 46
48 47
38 43
39 43
41 43
45 43
48 43
50 49
51 52
54 53
55 56
58 57
60 59
50 55
5...

output:

1
24979
311962749
864673370
738256178
859803066
635402830
556545282
855791149
536184113
221223658
204825894
469874837
321756201
125751585
559254761
403551309
409720573
327717032
474698395
619394949
658272675
32051015
601749543
441529237
989468258
111236170
205064424
466026156
324279871
298876716
497...

result:

ok 400 lines

Test #40:

score: 0
Accepted
time: 259ms
memory: 336820kb

input:

200000 400
1 2
3 4
6 5
8 7
10 9
12 11
1 8
3 8
6 8
10 8
12 8
14 13
15 16
18 17
20 19
22 21
24 23
14 20
15 20
18 20
22 20
24 20
26 25
27 28
29 30
31 32
33 34
35 36
26 31
27 31
29 31
33 31
35 31
38 37
40 39
41 42
43 44
46 45
47 48
38 43
40 43
41 43
46 43
47 43
49 50
51 52
53 54
55 56
57 58
59 60
49 55
...

output:

1
24966
311638113
804407690
904869492
356159781
168039729
736355042
911503299
220764485
699645233
470237319
608891505
629949150
942729056
635359884
2910092
259962910
472382352
237930444
141099504
721554128
739257447
268391028
714434136
478588649
29192432
284955559
925850292
326744670
812095813
13268...

result:

ok 400 lines

Test #41:

score: 0
Accepted
time: 286ms
memory: 336876kb

input:

200000 400
2 1
4 3
6 5
7 8
9 10
12 11
2 7
4 7
6 7
9 7
12 7
14 13
16 15
18 17
19 20
22 21
23 24
14 19
16 19
18 19
22 19
23 19
26 25
28 27
30 29
31 32
33 34
36 35
26 31
28 31
30 31
33 31
36 31
37 38
40 39
41 42
44 43
45 46
47 48
37 44
40 44
41 44
45 44
47 44
49 50
51 52
54 53
56 55
57 58
59 60
49 56
5...

output:

1
24995
312362533
867853624
113718730
125212677
984396175
115757038
835848249
140165564
289892017
653931404
693769958
908935338
786552055
691399344
607827304
79632108
715392002
843837992
526185601
517454724
562829253
476858833
578568040
319179903
330709754
377989930
26142808
135851746
915121195
8003...

result:

ok 400 lines

Test #42:

score: 0
Accepted
time: 281ms
memory: 336824kb

input:

200000 400
2 1
3 4
6 5
8 7
10 9
12 11
2 8
3 8
6 8
10 8
12 8
13 14
16 15
18 17
20 19
22 21
23 24
13 20
16 20
18 20
22 20
23 20
26 25
27 28
30 29
32 31
34 33
36 35
26 32
27 32
30 32
34 32
36 32
38 37
39 40
42 41
43 44
45 46
47 48
38 43
39 43
42 43
45 43
47 43
50 49
52 51
53 54
55 56
57 58
60 59
50 55
...

output:

1
24987
312162609
366341775
420189392
785247360
653767722
635540731
467217164
82860127
85151628
795586249
157408413
858298559
578884196
687568581
472309769
355929158
351941926
360039605
388406355
912464382
765819639
737151920
108486821
913482198
701899705
72140621
413030165
428817685
877125998
74484...

result:

ok 400 lines

Test #43:

score: 0
Accepted
time: 250ms
memory: 336876kb

input:

200000 400
1 2
1 3
2 4
2 5
3 6
6 7
1 1394
8 9
8 10
10 11
8 12
12 13
11 14
1 13
8 1395
15 16
15 17
15 18
17 19
15 20
17 21
10 15
15 1396
22 23
23 24
23 25
25 26
24 27
23 28
15 28
22 1397
29 30
30 31
29 32
31 33
31 34
30 35
22 32
29 1398
36 37
36 38
37 39
36 40
39 41
39 42
34 41
36 1399
43 44
43 45
45...

output:

1
3
8
20
48
112
256
576
1280
2816
6144
13312
28672
61440
131072
278528
589824
1245184
2621440
5505024
11534336
24117248
50331648
104857600
218103808
452984832
939524096
947912703
33554428
335544312
209715183
494927837
142606263
587202410
780140235
771751300
964688613
771749252
226486909
813683687
35...

result:

ok 400 lines

Test #44:

score: 0
Accepted
time: 257ms
memory: 336740kb

input:

200000 400
1 2
2 3
2 4
3 5
2 6
1 7
1 1394
8 9
9 10
10 11
8 12
11 13
9 14
3 11
8 1395
15 16
16 17
15 18
17 19
18 20
17 21
13 16
15 1396
22 23
23 24
22 25
23 26
26 27
25 28
18 28
22 1397
29 30
29 31
31 32
30 33
30 34
29 35
27 34
29 1398
36 37
37 38
36 39
37 40
36 41
39 42
30 41
36 1399
43 44
44 45
45 ...

output:

1
3
8
20
48
112
256
576
1280
2816
6144
13312
28672
61440
131072
278528
589824
1245184
2621440
5505024
11534336
24117248
50331648
104857600
218103808
452984832
939524096
947912703
33554428
335544312
209715183
494927837
142606263
587202410
780140235
771751300
964688613
771749252
226486909
813683687
35...

result:

ok 400 lines

Test #45:

score: 0
Accepted
time: 276ms
memory: 336788kb

input:

200000 400
1 2
2 3
3 4
1 5
4 6
2 7
1 1394
8 9
8 10
9 11
8 12
12 13
8 14
1 14
8 1395
15 16
15 17
17 18
18 19
17 20
15 21
9 19
15 1396
22 23
22 24
24 25
23 26
24 27
26 28
19 28
22 1397
29 30
30 31
31 32
30 33
30 34
33 35
24 33
29 1398
36 37
36 38
38 39
39 40
40 41
39 42
29 41
36 1399
43 44
43 45
45 46...

output:

1
3
8
20
48
112
256
576
1280
2816
6144
13312
28672
61440
131072
278528
589824
1245184
2621440
5505024
11534336
24117248
50331648
104857600
218103808
452984832
939524096
947912703
33554428
335544312
209715183
494927837
142606263
587202410
780140235
771751300
964688613
771749252
226486909
813683687
35...

result:

ok 400 lines

Test #46:

score: 0
Accepted
time: 258ms
memory: 336792kb

input:

200000 400
1 2
1 3
1 4
3 5
1 6
1 7
1 1394
8 9
9 10
8 11
10 12
11 13
13 14
6 13
8 1395
15 16
15 17
17 18
18 19
15 20
15 21
10 19
15 1396
22 23
23 24
24 25
23 26
26 27
27 28
16 26
22 1397
29 30
29 31
29 32
30 33
30 34
34 35
27 35
29 1398
36 37
37 38
37 39
37 40
39 41
40 42
31 39
36 1399
43 44
44 45
44...

output:

1
3
8
20
48
112
256
576
1280
2816
6144
13312
28672
61440
131072
278528
589824
1245184
2621440
5505024
11534336
24117248
50331648
104857600
218103808
452984832
939524096
947912703
33554428
335544312
209715183
494927837
142606263
587202410
780140235
771751300
964688613
771749252
226486909
813683687
35...

result:

ok 400 lines

Test #47:

score: 0
Accepted
time: 0ms
memory: 16208kb

input:

2 1
1 2

output:

1

result:

ok single line: '1'

Test #48:

score: 0
Accepted
time: 3ms
memory: 14732kb

input:

1 1

output:

1

result:

ok single line: '1'

Test #49:

score: 0
Accepted
time: 0ms
memory: 13144kb

input:

2 2
2 1

output:

1
1

result:

ok 2 lines

Extra Test:

score: 0
Extra Test Passed