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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#491414#8757. 图liujunyi123AC ✓62ms20452kbC++171.2kb2024-07-25 19:21:322024-07-25 19:21:32

Judging History

你现在查看的是最新测评结果

  • [2024-07-25 19:21:32]
  • 评测
  • 测评结果：AC
  • 用时：62ms
  • 内存：20452kb
查看
  • [2024-07-25 19:21:32]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int N=4e5+5;
int T,n,m,k;
struct node{int x,y;}e[N];
struct dsu{vector<int> f;vector<vector<int> > g;
	void init(int x){f.resize(x+1),g.resize(x+1);
		for(int i=1;i<=x;i++)f[i]=i;
	}
	int find(int x){return x==f[x]?x:f[x]=find(f[x]);}
	void merge(int x,int y){
		g[x].push_back(y),g[y].push_back(x);
		f[find(y)]=find(x);
	}
	bool dfs(int u,int fa,int rt,int ed,int d){
		if(u==ed){
			printf("%d %d ",d,u);
			return 1;
		}
		for(auto v:g[u])if(v!=fa){
			if(dfs(v,u,rt,ed,d+1)){
				printf("%d ",u);
				return 1;
			}
		}
		return 0;
	}
};
vector<dsu> a;
void solve(){
	scanf("%d%d",&n,&m),k=(m+n-2)/(n-1),a.resize(k);
	for(int i=1;i<=m;i++)scanf("%d%d",&e[i].x,&e[i].y);
	for(int i=0;i<k;i++)a[i].init(n);
	for(int i=1;i<=m;i++){
		int l=0,r=k-1,res=0;
		while(l<=r){
			int mid=(l+r)>>1;
			if(a[mid].find(e[i].x)==a[mid].find(e[i].y))l=mid+1;
			else r=mid-1;
		}
		if(l<k)a[l].merge(e[i].x,e[i].y);
	}bool fl=0;
	for(int i=1;i<=n;i++)if(a[k-1].find(i)!=i){
		printf("%d %d\n",a[k-1].find(i),i);
		for(int j=0;j<k;j++)a[j].dfs(i,0,i,a[k-1].find(i),1),puts("");
		fl=1;break ;
	} 
	if(!fl)printf("-1\n");
	a.clear();
}
int main(){
	scanf("%d",&T);
	while(T--)solve();
	return 0;
}
Source code, Language: C++17

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 60ms
memory: 3880kb

input:

10000
2 20
1 2
1 2
2 1
1 2
1 2
2 1
1 2
2 1
1 2
1 2
1 2
1 2
2 1
1 2
1 2
2 1
1 2
1 2
1 2
2 1
2 20
2 1
2 1
2 1
2 1
2 1
1 2
1 2
1 2
1 2
2 1
1 2
1 2
2 1
1 2
1 2
2 1
1 2
1 2
2 1
1 2
2 20
1 2
2 1
1 2
1 2
2 1
2 1
1 2
1 2
2 1
2 1
1 2
1 2
1 2
1 2
2 1
1 2
1 2
1 2
2 1
2 1
2 20
1 2
2 1
2 1
1 2
1 2
1 2
2 1
1 2
2 ...

output:

2 1
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
2 2 1 
1 2
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1
2 2 1 
2...

result:

ok Answer correct. (10000 test cases)

Test #2:

score: 0
Accepted
time: 44ms
memory: 3884kb

input:

10000
5 20
2 1
2 5
5 3
3 1
4 5
1 4
4 3
4 5
3 5
5 4
2 3
5 2
3 4
3 5
1 4
4 3
4 2
2 1
1 3
5 1
5 20
4 2
1 3
1 2
4 5
2 4
3 1
5 3
5 1
4 5
4 3
2 4
1 4
4 3
5 2
1 2
3 5
1 5
4 1
3 4
4 3
5 20
1 4
1 3
1 5
5 1
4 5
3 4
4 5
2 3
1 2
2 4
4 5
4 5
2 4
2 5
4 2
4 3
4 2
2 5
2 1
3 1
5 20
2 5
2 3
4 5
4 2
3 4
2 1
5 4
2 5
2 ...

output:

1 3
4 1 2 5 3 
2 1 3 
3 1 4 3 
4 1 2 4 3 
2 1 3 
3 1
2 3 1 
2 3 1 
3 3 4 1 
4 3 5 2 1 
3 3 4 1 
2 4
4 2 3 1 4 
4 2 1 5 4 
2 2 4 
2 2 4 
3 2 5 4 
5 1
3 5 2 1 
4 5 4 2 1 
3 5 3 1 
5 5 2 4 3 1 
3 5 2 1 
4 1
3 4 5 1 
3 4 5 1 
2 4 1 
2 4 1 
4 4 3 5 1 
1 2
4 1 4 5 2 
3 1 4 2 
3 1 5 2 
3 1 5 2 
3 1 3 2 
4 ...

result:

ok Answer correct. (10000 test cases)

Test #3:

score: 0
Accepted
time: 34ms
memory: 3756kb

input:

10000
10 20
9 4
8 6
2 10
2 9
7 10
4 6
9 4
2 1
4 7
1 5
7 2
4 1
5 9
7 6
8 2
9 4
5 9
9 8
7 3
2 4
10 20
3 8
8 9
8 7
9 2
3 10
9 3
8 1
9 4
8 9
4 7
7 5
5 10
1 3
3 4
3 7
3 8
3 9
1 4
3 6
2 4
10 20
7 6
8 10
3 8
2 8
4 8
4 8
4 6
4 1
1 7
4 6
5 9
5 2
4 7
10 9
6 7
10 5
2 4
4 1
3 2
4 9
10 20
2 1
9 8
7 6
2 10
9 5
4 ...

output:

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

result:

ok Answer correct. (10000 test cases)

Test #4:

score: 0
Accepted
time: 21ms
memory: 3964kb

input:

2000
50 50
6 10
21 26
12 42
29 2
3 30
3 28
7 44
44 37
11 4
23 12
49 14
34 41
35 48
33 6
27 9
33 1
33 31
43 35
32 31
20 42
27 40
39 29
34 38
21 15
31 17
3 33
17 18
15 44
50 22
20 25
28 44
23 32
3 23
25 30
50 20
17 2
21 41
46 35
26 7
34 45
34 19
21 10
44 4
28 22
36 21
4 49
44 39
4 36
2 15
21 38
50 50
...

output:

26 7
5 26 21 15 44 7 
2 26 7 
7 10
6 7 36 24 9 37 10 
2 7 10 
23 18
7 23 21 24 14 6 33 18 
3 23 33 18 
39 16
2 39 16 
2 39 16 
37 11
8 37 12 43 50 17 19 35 11 
2 37 11 
29 3
3 29 24 3 
4 29 43 23 3 
6 1
3 6 2 1 
2 6 1 
46 17
9 46 42 36 26 27 20 28 24 17 
2 46 17 
14 5
9 14 44 6 23 43 1 22 42 5 
2 14...

result:

ok Answer correct. (2000 test cases)

Test #5:

score: 0
Accepted
time: 47ms
memory: 3940kb

input:

200
50 1000
6 33
31 2
17 37
27 22
36 1
35 12
31 3
8 36
22 15
40 45
13 23
23 24
50 46
41 48
49 35
15 30
14 6
7 24
38 27
43 19
30 16
16 31
49 21
47 44
33 9
27 32
48 23
24 33
25 12
23 50
6 27
20 21
48 11
42 23
8 36
3 34
8 14
17 30
27 1
14 40
37 5
23 24
6 24
5 35
38 43
31 48
25 33
4 13
6 37
22 24
31 32
...

output:

31 2
2 31 2 
14 31 32 25 33 34 23 24 6 27 1 47 36 8 2 
12 31 47 43 34 5 3 18 49 46 15 44 2 
8 31 30 13 36 3 23 37 2 
9 31 5 32 40 29 9 49 37 2 
8 31 1 25 6 37 42 44 2 
4 31 43 44 2 
11 31 35 33 22 6 26 39 10 21 42 2 
6 31 41 10 42 1 2 
8 31 20 22 41 11 5 44 2 
14 31 23 29 6 32 28 21 35 24 33 1 20 5 ...

result:

ok Answer correct. (200 test cases)

Test #6:

score: 0
Accepted
time: 48ms
memory: 4648kb

input:

20
100 10000
77 84
14 62
84 5
4 67
99 44
54 18
39 53
58 88
32 3
61 19
76 14
28 72
92 34
20 1
14 66
98 25
53 99
55 40
13 70
42 62
32 41
93 14
74 66
92 62
42 12
94 35
26 65
82 85
100 34
79 47
87 59
4 92
46 4
77 63
17 62
32 23
46 76
61 26
89 41
10 18
17 64
55 61
89 42
8 71
75 89
2 81
9 63
42 32
23 34
7...

output:

60 2
10 60 28 3 32 41 89 20 99 81 2 
5 60 66 3 53 2 
6 60 24 42 13 11 2 
13 60 15 45 61 39 68 71 72 98 47 66 25 2 
8 60 26 42 20 76 17 69 2 
13 60 67 44 99 40 4 73 100 14 57 62 71 2 
6 60 55 93 82 100 2 
9 60 37 57 99 88 16 87 69 2 
12 60 9 77 87 53 82 27 74 41 12 31 2 
5 60 65 69 71 2 
8 60 63 89 4...

result:

ok Answer correct. (20 test cases)

Test #7:

score: 0
Accepted
time: 41ms
memory: 4116kb

input:

100
1000 1999
527 98
626 570
505 814
510 660
334 873
893 329
51 818
256 113
165 543
515 780
905 200
560 363
385 813
82 324
661 719
3 624
175 120
22 480
662 730
701 676
124 107
820 707
288 412
596 842
285 574
209 109
897 789
37 371
399 502
715 361
877 504
68 73
919 671
685 732
866 390
975 122
994 263...

output:

852 6
33 852 504 877 801 95 701 58 860 231 443 492 303 256 645 629 510 660 786 518 53 172 899 375 495 485 883 169 340 849 795 106 760 6 
24 852 245 466 715 866 910 515 571 724 450 216 614 552 757 26 902 429 57 686 543 955 171 151 6 
2 852 6 
825 1
20 825 547 88 701 287 518 180 670 193 141 279 558 48...

result:

ok Answer correct. (100 test cases)

Test #8:

score: 0
Accepted
time: 19ms
memory: 3964kb

input:

1000
100 100
8 93
14 86
43 53
73 87
9 5
30 87
23 88
9 18
89 75
49 53
39 91
58 22
86 27
75 1
57 90
20 40
71 55
58 77
63 46
97 95
6 71
19 92
54 24
50 96
30 50
11 79
70 20
79 24
88 33
8 86
18 60
51 58
66 39
93 31
1 47
41 65
45 12
3 93
62 33
38 49
29 91
3 29
15 51
37 56
54 6
85 95
2 81
36 28
10 98
57 26...

output:

78 56
24 78 23 88 33 62 9 70 20 40 43 53 76 27 86 8 93 3 29 91 87 30 50 96 56 
2 78 56 
18 45
11 18 85 59 69 1 23 75 47 13 93 45 
2 18 45 
9 92
9 9 69 24 30 15 34 85 57 92 
2 9 92 
7 60
23 7 99 61 63 43 84 78 26 13 98 55 72 15 42 76 21 75 23 88 86 67 87 60 
2 7 60 
13 57
16 13 70 19 71 4 74 86 93 46...

result:

ok Answer correct. (1000 test cases)

Test #9:

score: 0
Accepted
time: 38ms
memory: 3984kb

input:

500
200 399
181 137
41 68
61 54
32 10
41 136
85 112
127 111
51 107
143 189
21 69
149 109
107 120
21 158
175 53
31 48
80 170
46 108
163 85
110 142
2 30
117 128
109 114
142 178
76 43
118 63
36 149
45 74
165 123
43 72
87 185
70 173
132 79
130 163
187 10
189 114
70 22
12 184
200 175
65 169
23 27
1 14
19...

output:

179 3
4 179 185 105 3 
9 179 51 164 167 64 26 163 89 3 
2 179 3 
108 7
17 108 53 195 85 33 57 124 31 4 120 167 107 67 84 69 45 7 
29 108 86 171 90 5 142 127 161 78 89 50 176 88 83 162 25 27 24 138 163 200 19 158 99 175 98 85 10 7 
2 108 7 
28 7
10 28 58 45 17 140 75 170 25 178 7 
12 28 178 163 151 1...

result:

ok Answer correct. (500 test cases)

Test #10:

score: 0
Accepted
time: 43ms
memory: 3888kb

input:

2197
10 91
7 3
7 9
9 2
1 10
7 1
6 8
4 8
2 10
7 6
5 3
4 10
9 3
1 4
2 9
5 4
5 6
3 7
6 1
1 9
2 6
3 4
6 9
8 7
6 7
7 4
8 7
9 3
10 7
10 6
2 5
2 7
8 10
10 1
7 4
10 4
9 2
7 6
3 10
6 4
1 8
8 9
6 7
10 9
3 2
2 5
10 5
4 7
5 3
9 4
1 5
1 4
8 4
4 10
7 3
6 7
4 2
3 4
9 2
1 10
6 1
8 3
2 9
9 10
9 5
3 4
5 8
9 3
7 1
6 1...

output:

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

result:

ok Answer correct. (2197 test cases)

Test #11:

score: 0
Accepted
time: 49ms
memory: 3904kb

input:

1980
5 101
3 5
4 2
5 1
1 4
2 5
1 3
2 5
3 2
4 2
3 1
1 2
5 3
3 4
3 1
1 3
5 3
1 4
2 4
2 3
4 2
4 5
4 5
1 2
3 1
3 4
1 2
3 5
4 1
2 4
3 5
4 3
4 1
2 1
2 1
5 4
5 3
3 5
2 5
4 1
5 3
2 3
3 4
3 4
5 2
3 2
4 3
2 3
4 3
1 5
2 1
1 3
1 4
1 4
2 5
2 1
1 3
3 5
5 3
1 5
3 4
4 2
3 5
4 2
2 4
4 1
3 5
3 5
5 4
1 4
5 3
5 1
5 3
1...

output:

1 3
3 1 5 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
4 1 4 5 3 
3 1 4 3 
4 1 2 5 3 
3 1 2 3 
3 1 5 3 
3 1 2 3 
2 1 3 
3 1 4 3 
2 1 3 
3 1 4 3 
4 1 4 5 3 
3 1 5 3 
3 1 4 3 
3 1 5 3 
2 1 3 
4 1 2 5 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
3 2
3 3 1 2 
2 3 2 
2 3 2 
4 3 1 5 2 
4 3 1 5 2 
3 3 5 2 
2 3 2 
4 3 1 5 2 
2 ...

result:

ok Answer correct. (1980 test cases)

Test #12:

score: 0
Accepted
time: 48ms
memory: 19492kb

input:

1
100000 200000
34863 14128
21925 31963
32836 60679
64214 73508
66150 45252
9601 33518
33904 58681
94179 37263
91962 58845
44150 57595
75389 55087
95549 80645
35339 82663
93639 89411
91288 79966
6158 91046
34153 16675
38098 20451
49822 20670
34821 40807
67167 98424
75186 55129
47388 80048
47576 3327...

output:

48961 4
101 48961 39545 49467 63997 20151 76950 52862 59460 45816 29039 86751 96682 35494 67916 26263 81760 84190 40835 87416 44820 52274 89581 85238 89590 47111 11571 90244 10269 41597 83019 46940 68232 6145 75712 79959 17424 87484 61932 12521 12220 78467 88381 45803 21307 93044 82200 69316 18711 5...

result:

ok Answer correct. (1 test case)

Test #13:

score: 0
Accepted
time: 23ms
memory: 12768kb

input:

1
100000 100000
83552 10530
25783 47244
84923 13681
21334 91194
91778 58467
19661 74982
25591 89762
59524 51208
87846 82043
11266 66764
81526 43233
68225 71631
59267 57074
14783 69153
4005 38103
10428 8712
16106 97817
65055 2008
87601 98588
44816 64853
13936 1829
49508 54999
20100 23207
3098 59651
5...

output:

6329 40770
345 6329 44895 90140 65220 35185 10448 26774 12536 25433 55214 16739 70994 49742 27871 98650 44313 86479 36933 31407 16557 67002 49024 25876 23132 86149 8527 17600 8666 40551 536 15661 18462 64924 48867 56697 30147 82437 34815 30181 77960 70053 10076 36601 9840 53861 58512 65342 12195 890...

result:

ok Answer correct. (1 test case)

Test #14:

score: 0
Accepted
time: 20ms
memory: 4412kb

input:

10
10000 10000
3288 319
1296 6368
8450 2814
7356 5128
7375 44
5324 3611
9164 7555
1308 5753
1325 8813
5264 796
602 9263
6701 6141
3612 4277
611 5775
8960 5850
4706 9495
7751 9401
8316 7060
8524 8033
7342 4672
2503 3504
4515 4649
3881 1881
2962 4138
9655 9539
9043 4098
2631 6216
1198 9724
6105 2802
6...

output:

9835 1804
232 9835 4068 1154 9529 6277 1508 5429 8430 2463 2493 7483 5292 3293 4445 9137 850 209 4927 4532 2843 7355 3821 9959 5172 7757 9784 124 7600 3934 6099 8462 9123 1082 6951 3737 4377 3278 8400 9934 6894 7423 2557 8434 5654 9954 4690 2558 8132 9491 1031 1982 7333 2017 1224 788 3428 7742 1812 ...

result:

ok Answer correct. (10 test cases)

Test #15:

score: 0
Accepted
time: 19ms
memory: 3964kb

input:

1000
100 100
8 93
14 86
43 53
73 87
9 5
30 87
23 88
9 18
89 75
49 53
39 91
58 22
86 27
75 1
57 90
20 40
71 55
58 77
63 46
97 95
6 71
19 92
54 24
50 96
30 50
11 79
70 20
79 24
88 33
8 86
18 60
51 58
66 39
93 31
1 47
41 65
45 12
3 93
62 33
38 49
29 91
3 29
15 51
37 56
54 6
85 95
2 81
36 28
10 98
57 26...

output:

78 56
24 78 23 88 33 62 9 70 20 40 43 53 76 27 86 8 93 3 29 91 87 30 50 96 56 
2 78 56 
18 45
11 18 85 59 69 1 23 75 47 13 93 45 
2 18 45 
9 92
9 9 69 24 30 15 34 85 57 92 
2 9 92 
7 60
23 7 99 61 63 43 84 78 26 13 98 55 72 15 42 76 21 75 23 88 86 67 87 60 
2 7 60 
13 57
16 13 70 19 71 4 74 86 93 46...

result:

ok Answer correct. (1000 test cases)

Test #16:

score: 0
Accepted
time: 42ms
memory: 3832kb

input:

500
200 399
11 16
126 2
70 102
89 163
54 149
84 74
200 175
126 2
98 56
140 188
5 87
107 120
68 133
19 71
135 116
11 78
105 193
63 44
129 33
182 123
83 161
125 6
86 171
44 2
12 184
130 66
78 175
182 141
188 40
154 42
86 60
106 192
90 189
142 135
12 73
95 146
88 62
161 114
101 42
19 106
154 42
122 137...

output:

176 126
10 176 48 98 125 78 141 182 44 2 126 
2 176 126 
2 176 126 
92 127
47 92 25 194 181 121 169 126 140 81 180 23 145 125 85 142 160 163 106 24 45 159 177 89 97 135 98 129 38 61 51 60 21 105 101 124 195 39 119 200 29 55 114 17 14 111 31 127 
2 92 127 
2 92 127 
175 190
30 175 21 88 10 130 22 177...

result:

ok Answer correct. (500 test cases)

Test #17:

score: 0
Accepted
time: 33ms
memory: 3808kb

input:

2197
10 91
5 8
7 6
5 10
10 5
8 5
7 6
6 7
6 7
9 2
2 6
2 6
8 5
3 5
10 5
10 5
2 9
6 7
5 2
2 5
2 9
3 4
3 5
2 6
5 10
2 5
3 4
1 6
7 6
10 5
6 1
2 9
4 3
5 8
1 6
2 6
2 5
3 9
1 6
5 3
1 6
5 2
6 1
2 9
3 4
6 1
4 3
2 9
2 9
3 5
8 5
3 5
10 5
6 2
7 6
5 2
8 5
2 6
2 6
5 8
5 3
2 5
9 2
1 6
2 6
5 10
2 6
4 3
7 6
3 5
10 5
...

output:

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

result:

ok Answer correct. (2197 test cases)

Test #18:

score: 0
Accepted
time: 46ms
memory: 3812kb

input:

1980
5 101
4 1
1 2
3 1
1 4
2 1
1 2
3 5
3 1
2 1
3 1
3 1
1 4
2 1
2 1
2 1
1 2
5 3
1 2
2 1
3 1
3 1
4 1
4 1
1 2
3 1
3 1
2 1
3 5
2 1
1 4
2 1
1 3
4 1
1 3
3 5
1 2
3 5
1 4
1 2
1 3
4 1
1 4
3 5
1 4
1 3
4 1
1 2
1 3
5 3
5 3
1 4
1 2
3 1
4 1
4 1
3 5
1 2
4 1
1 2
1 3
1 2
3 5
5 3
1 2
1 3
1 3
4 1
4 1
5 3
3 5
4 1
3 5
5...

output:

1 3
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
3 1 4 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
2 1 3 
1 2
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
3 1 4 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2 1 2 
2...

result:

ok Answer correct. (1980 test cases)

Test #19:

score: 0
Accepted
time: 38ms
memory: 20452kb

input:

1
100000 200000
87045 64020
81145 29667
96830 91785
89750 28062
45195 59300
91075 91364
78904 20649
70802 2933
94952 13184
34881 9027
6909 45228
72094 87157
12710 6185
79492 76809
82773 25162
70583 95131
80195 23414
66965 46121
39034 27901
66559 13084
92952 38920
10715 65225
63505 2126
94217 79830
9...

output:

42784 52352
2 42784 52352 
23 42784 77493 92296 73849 88426 21481 86782 95090 74529 5009 77824 6636 72577 34470 2968 45988 83044 29773 29228 84919 64519 60774 52352 
2 42784 52352

result:

ok Answer correct. (1 test case)

Test #20:

score: 0
Accepted
time: 20ms
memory: 12716kb

input:

1
100000 100000
83552 10530
25783 47244
84923 13681
21334 91194
91778 58467
19661 74982
25591 89762
59524 51208
87846 82043
11266 66764
81526 43233
68225 71631
59267 57074
14783 69153
4005 38103
10428 8712
16106 97817
65055 2008
87601 98588
44816 64853
13936 1829
49508 54999
20100 23207
3098 59651
5...

output:

6329 40770
345 6329 44895 90140 65220 35185 10448 26774 12536 25433 55214 16739 70994 49742 27871 98650 44313 86479 36933 31407 16557 67002 49024 25876 23132 86149 8527 17600 8666 40551 536 15661 18462 64924 48867 56697 30147 82437 34815 30181 77960 70053 10076 36601 9840 53861 58512 65342 12195 890...

result:

ok Answer correct. (1 test case)

Test #21:

score: 0
Accepted
time: 20ms
memory: 4364kb

input:

10
10000 10000
3288 319
1296 6368
8450 2814
7356 5128
7375 44
5324 3611
9164 7555
1308 5753
1325 8813
5264 796
602 9263
6701 6141
3612 4277
611 5775
8960 5850
4706 9495
7751 9401
8316 7060
8524 8033
7342 4672
2503 3504
4515 4649
3881 1881
2962 4138
9655 9539
9043 4098
2631 6216
1198 9724
6105 2802
6...

output:

9835 1804
232 9835 4068 1154 9529 6277 1508 5429 8430 2463 2493 7483 5292 3293 4445 9137 850 209 4927 4532 2843 7355 3821 9959 5172 7757 9784 124 7600 3934 6099 8462 9123 1082 6951 3737 4377 3278 8400 9934 6894 7423 2557 8434 5654 9954 4690 2558 8132 9491 1031 1982 7333 2017 1224 788 3428 7742 1812 ...

result:

ok Answer correct. (10 test cases)

Test #22:

score: 0
Accepted
time: 41ms
memory: 4576kb

input:

20
1000 9991
608 923
654 599
933 66
70 763
831 458
568 444
779 393
190 673
732 818
283 551
630 583
95 237
278 681
343 514
190 613
96 150
408 366
995 927
361 632
97 217
460 112
838 136
975 614
897 726
181 42
164 323
243 512
188 849
530 636
822 817
259 623
182 776
442 562
911 462
392 313
143 234
669 1...

output:

51 62
2 51 62 
2 51 62 
2 51 62 
2 51 62 
2 51 62 
2 51 62 
2 51 62 
2 51 62 
37 51 511 859 290 730 982 19 390 393 677 828 100 263 156 69 588 65 321 845 565 657 973 371 458 692 760 97 172 548 153 298 953 342 498 384 508 62 
2 51 62 
2 51 62 
708 938
2 708 938 
2 708 938 
2 708 938 
2 708 938 
53 708...

result:

ok Answer correct. (20 test cases)

Test #23:

score: 0
Accepted
time: 48ms
memory: 4256kb

input:

422
3 733
3 1
2 1
1 2
1 3
3 1
3 1
2 3
2 3
1 3
1 3
2 1
2 3
2 3
3 1
3 1
2 3
3 2
2 1
1 3
2 3
2 1
2 1
3 1
2 3
2 1
2 3
2 3
2 3
2 3
3 1
2 1
2 3
1 2
2 1
2 1
3 2
3 1
3 1
1 2
3 2
2 3
1 3
2 1
2 3
1 3
1 2
3 1
3 1
2 3
1 2
1 3
1 2
2 1
3 1
1 3
3 1
3 1
3 2
1 3
3 1
3 1
3 1
3 1
2 1
2 1
1 2
1 3
3 1
1 3
3 1
1 3
3 2
1 ...

output:

2 3
3 2 1 3 
3 2 1 3 
2 2 3 
2 2 3 
3 2 1 3 
2 2 3 
2 2 3 
2 2 3 
2 2 3 
2 2 3 
3 2 1 3 
2 2 3 
2 2 3 
2 2 3 
2 2 3 
2 2 3 
2 2 3 
2 2 3 
3 2 1 3 
2 2 3 
2 2 3 
2 2 3 
3 2 1 3 
2 2 3 
3 2 1 3 
3 2 1 3 
3 2 1 3 
2 2 3 
3 2 1 3 
3 2 1 3 
3 2 1 3 
2 2 3 
3 2 1 3 
2 2 3 
3 2 1 3 
2 2 3 
3 2 1 3 
3 2 1 3...

result:

ok Answer correct. (422 test cases)

Test #24:

score: 0
Accepted
time: 50ms
memory: 4868kb

input:

46
6 3725
3 4
6 4
3 5
6 5
4 6
6 5
2 6
2 6
5 4
4 3
1 6
3 5
6 4
6 3
3 4
2 3
1 6
2 6
5 2
4 3
5 2
6 2
2 6
6 1
1 6
3 5
3 4
3 1
5 4
1 3
1 4
6 2
1 2
5 3
3 6
6 5
4 6
1 6
4 1
4 6
1 5
1 2
6 5
3 4
4 6
1 4
2 4
4 5
3 5
6 4
4 6
1 2
3 2
4 6
2 4
3 2
6 3
4 2
3 4
2 3
4 5
6 5
6 4
3 5
4 1
1 3
2 3
1 3
5 3
5 1
5 1
5 1
5 ...

output:

1 2
3 1 6 2 
3 1 6 2 
5 1 6 5 3 2 
3 1 6 2 
4 1 3 5 2 
2 1 2 
5 1 4 3 6 2 
2 1 2 
3 1 4 2 
2 1 2 
3 1 4 2 
5 1 3 6 4 2 
3 1 3 2 
4 1 5 3 2 
3 1 5 2 
2 1 2 
4 1 6 4 2 
5 1 6 4 5 2 
2 1 2 
4 1 6 4 2 
2 1 2 
2 1 2 
3 1 6 2 
3 1 6 2 
2 1 2 
4 1 6 3 2 
4 1 4 3 2 
5 1 3 5 6 2 
3 1 3 2 
2 1 2 
3 1 4 2 
2 1...

result:

ok Answer correct. (46 test cases)

Test #25:

score: 0
Accepted
time: 41ms
memory: 4164kb

input:

199
788 1339
53 304
46 671
763 311
642 211
746 529
591 661
87 400
252 103
311 359
111 320
437 445
435 406
351 666
202 564
781 713
203 151
576 587
197 458
280 577
26 256
118 9
664 554
111 359
112 267
151 36
578 740
631 166
26 80
200 327
55 289
570 342
202 243
714 322
751 763
288 123
340 752
73 426
26...

output:

220 2
34 220 131 521 387 753 212 728 397 86 261 76 16 45 722 69 103 252 160 253 666 139 446 206 714 460 687 600 321 610 161 658 637 752 2 
2 220 2 
520 1
29 520 680 867 723 593 297 610 775 841 875 446 776 261 368 413 536 795 865 430 478 4 557 744 118 845 582 770 817 1 
30 520 241 281 834 445 856 654...

result:

ok Answer correct. (199 test cases)

Test #26:

score: 0
Accepted
time: 55ms
memory: 17452kb

input:

1
100 200000
31 47
24 16
52 62
47 68
75 53
24 73
31 98
23 30
19 87
3 53
26 87
64 93
32 98
39 94
90 56
90 89
15 17
62 57
9 83
35 56
20 88
19 10
59 32
75 22
69 59
97 5
38 71
24 50
47 48
31 47
1 30
14 76
46 4
23 46
3 19
27 74
49 31
11 17
32 53
43 71
7 87
42 72
90 20
100 8
98 64
23 72
60 20
10 27
78 93
...

output:

90 1
10 90 20 3 53 32 98 64 23 30 1 
4 90 47 56 1 
11 90 52 12 58 74 57 25 76 49 89 1 
9 90 65 62 12 17 20 46 75 1 
17 90 21 67 20 98 73 78 89 31 94 69 62 4 91 18 42 1 
5 90 51 97 82 1 
2 90 1 
6 90 64 36 89 15 1 
4 90 19 27 1 
14 90 27 81 95 65 73 63 89 6 29 68 36 75 1 
13 90 91 53 54 84 33 80 42 9...

result:

ok Answer correct. (1 test case)

Test #27:

score: 0
Accepted
time: 55ms
memory: 20228kb

input:

1
11 199991
2 10
4 1
2 5
6 1
9 11
5 2
1 10
10 4
5 7
1 4
4 8
7 3
6 3
7 2
1 7
7 6
6 3
10 6
9 10
7 4
1 4
5 4
2 1
3 11
4 11
9 3
7 6
9 2
7 9
4 6
5 7
10 1
3 1
7 2
11 9
11 2
9 8
1 8
5 11
3 2
6 5
10 11
11 3
4 7
4 1
5 3
7 6
8 9
3 5
7 8
3 2
7 5
10 9
8 2
10 6
9 11
10 4
11 7
10 3
11 1
6 2
1 5
9 2
11 1
4 8
8 7
6...

output:

6 3
7 6 1 10 2 5 7 3 
2 6 3 
2 6 3 
5 6 5 7 2 3 
5 6 7 5 11 3 
3 6 10 3 
3 6 5 3 
2 6 3 
3 6 2 3 
5 6 2 8 11 3 
3 6 7 3 
5 6 5 4 1 3 
6 6 5 11 7 1 3 
5 6 5 11 1 3 
6 6 10 11 4 7 3 
4 6 7 1 3 
3 6 1 3 
2 6 3 
2 6 3 
5 6 8 10 5 3 
5 6 7 8 10 3 
3 6 4 3 
6 6 4 7 9 11 3 
8 6 1 9 11 4 7 2 3 
6 6 8 1 4 11...

result:

ok Answer correct. (1 test case)

Test #28:

score: 0
Accepted
time: 62ms
memory: 20380kb

input:

1
11 199991
1 11
3 8
3 8
7 3
9 11
3 8
2 3
1 11
3 7
7 4
7 3
8 3
9 11
11 1
9 8
10 8
3 2
11 9
1 11
9 8
4 6
3 2
3 7
7 3
11 9
11 1
3 7
6 4
7 5
2 3
6 4
4 6
8 3
5 7
3 7
5 7
5 7
3 8
5 7
11 9
4 7
9 8
10 8
1 11
4 6
9 8
8 9
2 3
7 4
6 4
2 3
7 4
11 9
3 2
8 9
11 1
9 8
2 3
3 8
7 4
7 4
8 9
4 7
11 1
8 10
3 8
10 8
6 ...

output:

9 11
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 
2 9 11 ...

result:

ok Answer correct. (1 test case)

Test #29:

score: 0
Accepted
time: 52ms
memory: 17552kb

input:

1
101 199901
88 63
18 41
58 27
11 39
70 51
24 81
48 98
54 83
16 59
32 91
94 46
64 45
16 80
26 97
93 35
66 42
21 42
2 50
86 55
4 68
85 50
50 42
57 66
37 8
1 85
70 51
18 16
52 16
56 96
24 81
66 90
32 91
77 34
55 86
83 44
42 66
67 1
23 100
56 96
10 73
1 85
68 85
75 23
39 76
41 18
17 1
41 47
80 83
16 80...

output:

68 85
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 85 
2 68 8...

result:

ok Answer correct. (1 test case)

Test #30:

score: 0
Accepted
time: 54ms
memory: 14744kb

input:

16
147 29384
50 25
83 135
61 141
33 65
33 70
64 130
39 43
5 142
64 58
45 68
55 115
34 110
75 42
136 71
89 53
65 126
125 44
40 135
29 15
6 120
111 107
132 147
86 125
28 76
41 79
33 94
19 65
45 99
16 69
133 106
136 71
83 34
93 70
77 22
62 72
51 27
111 70
125 102
39 99
113 84
102 61
53 8
81 83
63 105
3...

output:

127 3
15 127 142 146 117 55 22 64 83 135 40 25 132 42 75 3 
16 127 94 55 76 19 90 132 128 70 13 143 84 16 106 136 3 
9 127 100 90 137 39 121 43 15 3 
15 127 4 42 32 99 85 21 17 6 19 84 76 77 125 3 
9 127 42 1 138 9 71 119 31 3 
3 127 99 3 
6 127 19 104 54 43 3 
3 127 54 3 
15 127 2 62 39 144 79 60 4...

result:

ok Answer correct. (16 test cases)
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