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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
#754199#9556. The Hanged Manucup-team5319#AC ✓100ms54872kbC++141.5kb2024-11-16 14:29:012024-11-16 14:29:03

Judging History

你现在查看的是最新测评结果

  • [2024-11-16 14:29:03]
  • 评测
  • 测评结果：AC
  • 用时：100ms
  • 内存：54872kb
查看
  • [2024-11-16 14:29:01]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int N=3e5+9;
int n;
vector<pair<int,int> > ans;
vector<int> to[N];
int dp[N],st[N];
void dfs(int u,int f)
{
	int cnt1=0,st0=0;
	for(int v:to[u])
	if(v!=f)
	{
		dfs(v,u);
		if(dp[v]==0)
		{
			if(st0) ans.push_back(make_pair(st[v],st0)),st0=0;
			else st0=st[v];
		}
		else cnt1++;
	}
	if(st0)
	{
		dp[u]=1;st[u]=st0;
		int st1=0;
		for(int v:to[u])
		if(v!=f)
		{
			if(dp[v])
			{
				if(st1)	ans.push_back(make_pair(st[v],u));
				else st1=st[v];
			}
		}
		if(u==1)
		{
			if(st1) ans.push_back(make_pair(st1,st0)),dp[u]=0,st[u]=u;
			else dp[u]=1,st[u]=st0;
		}
		else
		{
			if(st1) ans.push_back(make_pair(u,st1)),dp[u]=1,st[u]=st0;
			else dp[u]=1,st[u]=st0;
		}
	}
	else
	{
		for(int v:to[u])
		if(v!=f)
		{
			if(dp[v])
			{
				if(st0) ans.push_back(make_pair(st[v],u));
				else st0=st[v];
			}
		}
		if(st0) dp[u]=2,st[u]=st0;
		else dp[u]=0,st[u]=u;
	}
//	cerr<<u<<" : "<<st[u]<<" "<<dp[u]<<endl;
}
void work()
{
	scanf("%d",&n);
	for(int i=1;i<=n;i++) to[i].clear();
	ans.clear();
	
	for(int i=1;i<n;i++)
	{
		int u,v;
		scanf("%d%d",&u,&v);
		to[u].push_back(v);
		to[v].push_back(u);
	}
	dfs(1,0);
	if(dp[1]==1) return puts("-1"),void();
	if(dp[1]==2) ans.push_back(make_pair(st[1],1));
	printf("%d\n",ans.size());
	for(int i=0;i<ans.size();i++) printf("%d %d\n",ans[i].first,ans[i].second);
}
signed main()
{
	int T;
	scanf("%d",&T);
	while(T--) work();
}
源文件, 语言: C++14

这程序好像有点Bug，我给组数据试试？

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 12084kb

input:

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

output:

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

result:

ok Good Job! (3 test cases)

Test #2:

score: 0
Accepted
time: 3ms
memory: 12512kb

input:

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

output:

-1
-1
-1

result:

ok Good Job! (3 test cases)

Test #3:

score: 0
Accepted
time: 36ms
memory: 11264kb

input:

100000
3
1 3
2 1
3
2 3
1 2
3
2 3
1 3
3
2 1
1 3
3
1 2
2 3
3
1 3
2 3
3
2 1
1 3
3
2 3
1 2
3
2 3
1 3
3
2 1
1 3
3
2 3
1 2
3
1 3
2 3
3
1 3
2 1
3
2 3
1 2
3
2 3
1 3
3
1 3
2 1
3
1 2
2 3
3
1 3
2 3
3
2 1
1 3
3
1 2
2 3
3
1 3
2 3
3
1 3
2 1
3
2 3
1 2
3
1 3
2 3
3
1 3
2 1
3
2 3
1 2
3
1 3
2 3
3
2 1
1 3
3
2 3
1 2
3
2...

output:

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

result:

ok Good Job! (100000 test cases)

Test #4:

score: 0
Accepted
time: 33ms
memory: 11504kb

input:

75000
4
3 1
2 1
1 4
4
3 1
2 4
1 2
4
2 1
1 3
3 4
4
1 4
2 1
3 4
4
2 1
3 2
1 4
4
3 2
2 4
1 2
4
2 3
3 4
1 2
4
3 4
2 4
1 2
4
3 1
1 4
2 3
4
3 2
1 3
2 4
4
2 3
1 3
3 4
4
1 3
3 4
2 4
4
3 1
1 4
2 4
4
3 2
2 4
1 4
4
2 3
3 4
1 4
4
3 4
2 4
1 4
4
1 4
2 1
3 1
4
2 4
3 1
1 2
4
2 1
3 4
1 3
4
2 1
1 4
3 4
4
1 4
2 1
3 2
...

output:

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

result:

ok Good Job! (75000 test cases)

Test #5:

score: 0
Accepted
time: 37ms
memory: 13068kb

input:

60000
5
2 1
3 1
4 1
1 5
5
1 2
4 1
2 5
3 1
5
1 3
3 5
4 1
2 1
5
2 1
4 5
1 4
3 1
5
3 1
1 5
2 1
4 5
5
3 1
4 2
1 5
2 1
5
1 2
3 1
2 5
4 2
5
4 1
1 2
3 5
2 3
5
3 1
2 4
4 5
1 2
5
4 5
3 1
2 5
1 2
5
1 5
2 1
3 1
4 3
5
1 3
4 1
2 5
3 2
5
4 3
2 1
1 3
3 5
5
3 4
1 3
4 5
2 1
5
2 1
1 3
4 5
3 5
5
3 4
4 1
1 5
2 1
5
3 1
...

output:

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

result:

ok Good Job! (60000 test cases)

Test #6:

score: 0
Accepted
time: 34ms
memory: 11752kb

input:

50000
6
1 6
5 1
4 1
2 1
3 1
6
5 1
3 1
1 2
2 6
4 1
6
4 1
5 1
1 3
2 1
3 6
6
4 6
2 1
5 1
3 1
1 4
6
5 6
1 5
4 1
3 1
2 1
6
4 1
5 6
2 1
1 6
3 1
6
1 6
3 1
2 1
5 2
4 1
6
3 1
5 2
1 2
2 6
4 1
6
4 1
2 3
5 1
1 2
3 6
6
4 6
1 2
3 1
2 4
5 1
6
1 2
5 6
2 5
3 1
4 1
6
1 2
2 6
4 1
3 1
5 6
6
5 3
3 1
1 6
2 1
4 1
6
5 1
3 ...

output:

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

result:

ok Good Job! (50000 test cases)

Test #7:

score: 0
Accepted
time: 32ms
memory: 13240kb

input:

42857
7
3 1
2 1
5 1
6 1
4 1
1 7
7
4 1
1 2
6 1
3 1
2 7
5 1
7
3 7
2 1
1 3
4 1
6 1
5 1
7
4 7
1 4
6 1
5 1
2 1
3 1
7
4 1
1 5
6 1
3 1
5 7
2 1
7
6 7
5 1
2 1
4 1
1 6
3 1
7
6 7
2 1
1 7
3 1
5 1
4 1
7
4 1
5 1
6 2
3 1
2 1
1 7
7
1 2
4 1
6 2
3 1
2 7
5 1
7
6 1
2 3
4 1
5 1
1 2
3 7
7
6 1
4 7
3 1
1 2
5 1
2 4
7
1 2
3 ...

output:

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

result:

ok Good Job! (42857 test cases)

Test #8:

score: 0
Accepted
time: 28ms
memory: 13196kb

input:

37500
8
5 1
1 8
7 1
4 1
6 1
2 1
3 1
8
3 1
2 8
4 1
6 1
1 2
7 1
5 1
8
3 8
4 1
2 1
1 3
6 1
5 1
7 1
8
1 4
5 1
7 1
6 1
4 8
2 1
3 1
8
1 5
5 8
4 1
2 1
3 1
7 1
6 1
8
1 6
3 1
4 1
2 1
5 1
6 8
7 1
8
1 7
6 1
4 1
3 1
5 1
7 8
2 1
8
5 1
4 1
2 1
1 8
6 1
7 8
3 1
8
1 8
4 1
2 1
5 1
7 2
3 1
6 1
8
6 1
5 1
7 2
4 1
2 8
3 ...

output:

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

result:

ok Good Job! (37500 test cases)

Test #9:

score: 0
Accepted
time: 34ms
memory: 11572kb

input:

300
1000
815 567
883 63
783 506
485 779
142 248
218 214
617 238
481 567
20 203
119 212
953 179
44 830
427 156
97 916
763 172
484 512
916 21
417 958
408 257
238 634
891 213
90 208
394 56
758 819
435 26
636 718
880 212
458 662
123 212
239 156
548 314
852 436
722 828
271 429
493 27
910 421
354 143
956 ...

output:

-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
-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
-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
...

result:

ok Good Job! (300 test cases)

Test #10:

score: 0
Accepted
time: 63ms
memory: 17340kb

input:

3
100000
21854 12448
41900 78683
26279 40303
96957 78925
50096 72644
14704 14585
44195 23551
3290 42026
25017 64658
4593 10713
29129 13530
62892 43675
23793 13329
97502 10091
78766 44620
59301 95815
25781 93162
12231 24059
77637 66545
53889 84545
65596 58277
31337 87701
29049 43837
99301 2408
41562 ...

output:

-1
-1
-1

result:

ok Good Job! (3 test cases)

Test #11:

score: 0
Accepted
time: 80ms
memory: 24792kb

input:

1
300000
264872 86229
63995 164384
180167 260692
169708 168083
149321 50390
177160 60629
178607 170744
176734 60911
231963 17936
49668 90468
205798 261858
7645 12727
240590 1798
8446 139678
32309 208096
226620 119112
204528 63548
110330 250899
219366 144880
258130 23221
203423 40874
45194 78650
1571...

output:

-1

result:

ok Good Job! (1 test case)

Test #12:

score: 0
Accepted
time: 37ms
memory: 12136kb

input:

30000
10
1 6
4 8
7 5
6 10
3 1
8 2
2 9
9 10
5 9
10
3 7
2 6
6 9
1 6
4 10
9 10
5 6
7 2
8 3
10
8 10
6 3
2 1
3 2
1 10
7 4
5 2
9 8
4 9
10
4 1
6 8
2 10
9 10
7 2
5 2
8 7
1 6
3 1
10
6 2
3 6
9 6
7 10
8 2
2 1
5 3
1 4
4 10
10
2 8
3 6
5 7
7 8
1 6
8 10
9 2
4 6
6 10
10
1 5
4 3
6 4
7 1
2 3
5 9
8 2
3 10
9 6
10
2 7
5...

output:

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

result:

ok Good Job! (30000 test cases)

Test #13:

score: 0
Accepted
time: 38ms
memory: 12500kb

input:

3000
99
79 72
72 6
1 90
94 89
31 28
59 89
78 85
73 35
57 45
45 99
38 57
11 70
26 14
92 13
35 52
30 18
61 15
29 86
60 22
5 57
17 84
36 84
70 37
10 86
80 91
34 87
65 8
42 88
87 25
88 43
8 47
33 78
62 47
15 73
83 77
24 33
97 38
23 77
20 34
85 32
55 22
63 10
66 30
39 5
28 62
89 15
37 49
16 75
74 66
47 4...

output:

32
93 3
79 54
54 80
8 19
59 94
89 61
36 17
84 74
30 40
51 52
9 50
63 86
86 81
33 41
82 69
11 78
23 83
85 24
48 47
7 47
77 47
55 60
27 16
14 22
58 26
76 57
67 45
97 4
44 65
43 56
53 88
95 1
35
93 92
50 4
43 63
40 7
7 16
25 59
88 45
45 29
11 13
98 47
60 51
15 95
10 56
41 80
30 61
81 77
85 44
38 44
74 ...

result:

ok Good Job! (3000 test cases)

Test #14:

score: 0
Accepted
time: 75ms
memory: 16264kb

input:

3
100000
83890 7467
75295 89651
4062 83955
60269 26734
58357 54437
22200 48174
87338 74094
86583 7977
1136 84701
34461 47665
82355 28324
32412 16170
5270 73823
37181 86410
22445 59139
27816 47294
540 79932
73768 41579
14577 92388
31765 75494
49018 24756
57215 90140
86438 22430
3974 15829
59053 22856...

output:

33627
83504 38802
98128 10714
94600 66631
16458 59467
50266 53267
64339 1482
63766 98874
98874 29909
88409 27019
81951 84782
30434 99591
11125 99591
99591 12048
27868 5880
23833 99947
49853 17169
9755 85943
39897 97148
44692 13480
13480 45474
24038 55322
46957 80601
5569 28899
93562 28899
55319 9360...

result:

ok Good Job! (3 test cases)

Test #15:

score: 0
Accepted
time: 93ms
memory: 23456kb

input:

1
300000
30683 45175
202516 82288
209967 151196
160370 148366
36159 83057
277846 18399
58641 259342
220025 290125
299864 69137
276256 59853
163412 98854
211643 219357
45085 203080
17046 259484
175009 201826
220413 253746
280406 235850
107084 114346
6196 164024
149354 242637
8884 201047
102007 121900...

output:

100708
227014 226276
40395 244586
36514 44921
112432 248273
87671 220166
220166 124260
127461 44506
275988 185705
53526 171425
28535 86866
48117 260919
290836 188774
123386 22242
162399 277432
72450 119551
254580 119551
61167 17215
99851 138975
268439 286250
228912 297610
20246 238013
88139 100792
2...

result:

ok Good Job! (1 test case)

Test #16:

score: 0
Accepted
time: 96ms
memory: 54872kb

input:

1
300000
98923 244101
265083 199522
178854 130825
233559 275176
51110 162632
100454 144508
203138 94733
112144 116959
221684 184011
122356 174675
240265 56410
83529 213874
174757 59833
87918 98194
231431 71105
145121 105056
205429 60598
114418 168280
249115 124674
160102 183789
27460 854
72909 12628...

output:

2
253307 1
250509 1

result:

ok Good Job! (1 test case)

Test #17:

score: 0
Accepted
time: 90ms
memory: 23260kb

input:

1
300000
51552 258960
174014 1763
298103 122466
80039 102474
90881 123355
37816 182571
209856 199049
68745 246931
231305 147333
256217 77569
277988 49579
174054 154053
74959 60605
281490 278569
131850 7894
138112 208044
207380 67110
1334 204240
117581 152706
90835 142455
54402 68306
264004 244539
99...

output:

100828
89842 29228
76921 99056
133308 68683
269471 97829
160299 234112
95348 234112
55041 96888
35225 145563
212754 244628
190990 218749
221710 113323
113323 101865
17762 28112
67712 252824
41618 97427
145198 167256
141277 265183
122035 156450
167613 156450
27402 112824
103004 285201
116758 208463
2...

result:

ok Good Job! (1 test case)

Test #18:

score: 0
Accepted
time: 75ms
memory: 16352kb

input:

3
100000
43104 39350
58310 72159
1910 78304
366 33335
3494 5822
948 92660
11882 15212
69203 4346
45739 21275
65867 55409
61694 88089
71479 40349
35887 88786
52148 61962
82180 65178
93823 47701
43116 75915
86963 34539
50583 74229
40562 91601
12139 88394
52559 57679
25481 60170
31207 85832
4201 92027
...

output:

33708
94601 5914
6591 88822
20481 50688
98154 72262
34174 37602
2175 67200
49231 22751
42824 37513
36864 65889
31013 19280
15669 99605
71031 23492
30164 25301
25301 33274
18142 36220
10380 23405
47883 96312
97834 59423
87690 72398
76033 4963
55467 49199
43237 57988
75853 680
99092 78526
59180 62359
...

result:

ok Good Job! (3 test cases)

Test #19:

score: 0
Accepted
time: 95ms
memory: 53624kb

input:

1
299999
153306 123584
100430 137396
151712 125355
180598 178628
178522 156317
6811 124889
41530 107031
35237 104587
235884 157908
130785 274651
141969 58315
203297 225663
192833 74643
223470 99863
272704 178999
163551 250862
133718 39962
199271 24737
159107 66084
139074 91207
229404 47856
273704 12...

output:

2
141316 1
211007 1

result:

ok Good Job! (1 test case)

Test #20:

score: 0
Accepted
time: 33ms
memory: 12044kb

input:

3000
100
9 37
30 16
87 75
66 20
89 79
78 72
48 5
62 100
61 95
69 93
23 86
18 48
32 24
91 43
54 93
92 63
15 7
6 92
67 35
65 89
8 26
21 98
1 65
40 85
36 41
77 39
56 44
69 70
46 67
80 60
94 96
14 36
34 99
84 62
22 74
23 79
46 19
27 51
11 14
18 70
85 8
73 6
97 40
71 83
41 98
61 87
2 90
45 5
20 44
17 81
...

output:

2
25 1
2 1
2
31 1
82 1
2
48 1
82 1
2
51 1
95 1
2
88 1
58 1
2
31 1
51 1
2
98 1
14 1
2
95 1
33 1
2
41 1
29 1
2
80 1
22 1
2
90 1
11 1
1
57 1
2
7 1
75 1
2
80 1
25 1
2
60 1
26 1
2
14 1
53 1
1
63 1
2
7 1
17 1
1
8 1
2
33 1
100 1
2
50 1
54 1
2
57 1
11 1
2
88 1
30 1
2
99 1
28 1
2
23 1
69 1
2
34 1
87 1
2
8 1
...

result:

ok Good Job! (3000 test cases)

Test #21:

score: 0
Accepted
time: 94ms
memory: 38880kb

input:

1
299999
123584 153306
137396 100430
114758 125355
180598 13155
156317 178522
124889 6811
41530 27377
104587 35237
157908 235884
130785 44576
141969 129416
225663 203297
120350 74643
20300 99863
295855 178999
198163 250862
133718 148059
24737 199271
66084 159107
91207 139074
229404 89529
273704 1565...

output:

149999
37266 211007
11999 200879
60007 42721
27264 186847
168918 238901
128434 104377
166398 16950
54607 32487
36096 132405
259128 56533
104873 54072
248224 278891
51169 231355
6029 272859
270603 269039
274636 152728
212267 223096
21399 267911
220115 8757
44070 124154
145808 51060
235148 56725
29299...

result:

ok Good Job! (1 test case)

Test #22:

score: 0
Accepted
time: 66ms
memory: 15656kb

input:

10
29999
29014 14470
26823 2725
13020 1832
9002 521
22160 26983
2964 2174
20830 22020
19201 4850
19060 10457
23936 2163
22700 29072
28735 4318
15942 8678
10533 9761
8946 29013
12121 555
14303 26560
18146 20485
16984 345
22717 347
21795 27399
20125 489
6200 24303
21419 17994
28274 28769
28326 25399
1...

output:

14999
23907 28453
2920 15770
10326 4578
27593 24984
21879 1186
23588 8661
22099 6245
11850 26588
27395 27247
10476 753
12794 18957
22591 15447
17765 22536
19499 17275
16647 445
27680 25765
16086 16011
13029 28687
22326 2733
8253 1258
8517 18060
19084 14385
3375 1407
10732 19322
26691 12939
2893 1455...

result:

ok Good Job! (10 test cases)

Test #23:

score: 0
Accepted
time: 89ms
memory: 24832kb

input:

1
299999
258553 127891
200368 10642
134395 33327
66807 64283
298570 239432
106569 74919
101275 256095
215172 160205
258907 145255
294970 120844
120747 17359
231598 191111
103394 179995
276483 13575
153143 236649
32255 165538
13973 180565
114480 173795
280161 260850
239991 6207
137809 102438
160694 2...

output:

149999
913 111723
183289 150566
286626 24603
39022 56831
196533 171296
173825 58665
277670 93045
205575 198120
296022 143740
83922 228580
157760 4823
45095 153730
215781 144871
14698 298874
150634 13985
203807 188815
35007 51715
176218 216594
70137 36653
158405 238113
286765 247760
121236 25544
5513...

result:

ok Good Job! (1 test case)

Test #24:

score: 0
Accepted
time: 71ms
memory: 14108kb

input:

10
29999
21547 280
5396 29060
21129 24483
1948 5302
5994 20221
12679 20525
23088 2218
24614 17646
9854 7760
23220 29541
9824 25475
9144 8680
17400 22930
3583 13702
14210 16949
4145 4827
4927 15200
5195 13939
23998 23812
20779 22916
19383 23442
29184 11705
12676 19405
4120 11612
24747 1107
25087 1775...

output:

14999
24339 15275
20635 8964
9719 18281
29805 26302
20307 3819
17159 26068
10371 18583
23121 23226
27192 21418
18677 25438
29344 25389
6685 25218
3529 4690
19948 22675
16874 2938
17137 6026
25116 21424
19869 11769
22264 25083
29154 16957
7319 13590
1837 11422
28903 21070
4617 11337
7681 19576
153 22...

result:

ok Good Job! (10 test cases)

Test #25:

score: 0
Accepted
time: 40ms
memory: 12620kb

input:

27000
11
3 5
11 3
2 3
7 1
10 8
8 6
9 8
3 1
8 4
1 8
11
3 1
1 2
5 6
11 1
6 9
10 6
4 8
1 5
1 7
5 8
11
1 3
6 11
4 6
10 1
1 8
2 6
7 11
1 9
11 1
6 5
11
3 7
6 8
11 3
9 6
3 8
6 4
1 8
5 9
10 3
2 9
11
8 5
6 8
11 5
8 2
7 11
4 5
8 9
3 10
3 11
8 1
11
7 3
2 3
9 1
8 10
8 1
9 5
3 9
4 1
6 8
11 3
11
8 5
8 1
6 8
11 8
...

output:

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

result:

ok Good Job! (27000 test cases)

Test #26:

score: 0
Accepted
time: 39ms
memory: 11336kb

input:

30000
6
5 3
6 2
4 1
1 3
2 1
4
4 2
1 4
1 3
11
9 1
10 11
11 3
11 9
4 6
3 7
2 11
1 6
1 5
8 9
17
6 15
10 7
8 17
13 11
3 8
15 4
16 3
12 4
15 10
2 6
6 9
5 13
5 14
2 1
10 5
8 15
14
14 5
1 6
12 4
8 14
5 9
13 5
4 9
1 13
7 13
5 3
11 14
5 10
2 13
12
3 6
5 1
8 3
12 2
12 7
5 4
9 4
11 10
6 12
12 5
4 11
17
15 11
1...

output:

2
6 1
5 4
1
2 3
4
2 10
9 7
4 1
8 5
7
5 11
10 14
8 16
7 15
17 15
6 12
9 1
5
11 8
3 14
5 12
2 7
10 6
4
4 10
7 2
8 5
9 1
6
13 2
4 3
10 11
12 8
14 9
7 1
6
3 5
11 2
9 7
12 8
8 4
10 1
-1
2
5 4
3 1
4
8 3
4 7
6 11
2 9
3
2 10
3 9
5 1
5
3 11
6 2
13 12
12 7
10 8
3
10 9
2 3
6 1
1
4 2
2
4 3
2 1
-1
1
3 1
1
2 3
4
...

result:

ok Good Job! (30000 test cases)

Test #27:

score: 0
Accepted
time: 74ms
memory: 21960kb

input:

1
253253
50359 179100
159762 56963
156480 129546
194694 165531
171829 15612
8904 244239
167203 79755
59278 193676
6064 179420
93089 11873
208865 161063
72803 55831
6938 69443
182632 252034
15492 123140
26694 88239
59982 95642
209852 233064
205527 137224
222851 93508
28102 71250
250703 159154
54445 3...

output:

106864
206351 214222
180757 223950
116462 122548
119613 75226
101748 83695
32686 123618
116466 14301
103725 64851
216887 55223
20039 192488
159333 221177
59820 81722
252795 31025
123017 252162
23265 216520
65992 174498
174498 223789
43297 236331
129657 221804
234841 105899
247946 123279
15356 123279...

result:

ok Good Job! (1 test case)

Test #28:

score: 0
Accepted
time: 43ms
memory: 13064kb

input:

300
1855
1007 450
4 615
1845 844
426 65
1135 79
1020 1386
935 343
936 16
219 1370
1495 131
1409 13
1087 31
63 804
145 1689
1750 1731
694 623
243 626
418 1383
1396 990
1234 385
867 969
779 337
615 732
657 286
1134 1651
269 582
903 1755
478 1384
1360 1060
144 1082
217 1537
185 61
1634 1813
313 876
879...

output:

783
839 350
1501 1837
1760 668
143 1705
1102 708
764 746
331 1183
600 1184
1451 418
1672 1383
968 977
263 1149
934 1149
446 349
503 927
486 539
1201 545
453 79
79 139
361 131
131 101
603 1289
1848 745
997 213
710 1234
1836 385
385 529
1228 464
1394 464
634 464
1663 57
1640 662
510 1086
1086 1171
135...

result:

ok Good Job! (300 test cases)

Test #29:

score: 0
Accepted
time: 76ms
memory: 23296kb

input:

1
297722
2542 280838
47066 211579
45334 161254
161254 3387
161254 81700
286925 161254
188708 161254
163323 239454
177641 142518
161254 141588
161254 289112
161254 132883
161254 264103
161254 7898
131553 35341
274424 85972
161254 111454
161254 245526
195088 87188
83391 252892
74347 144981
248942 2949...

output:

89178
132883 3387
68163 270644
246556 20436
236659 19890
226548 274385
53468 284727
284069 11005
184285 18091
56233 293841
238721 280996
29370 200547
34253 82676
77147 13586
290507 14186
152639 253858
267309 91787
55 277656
229394 151857
33883 39287
248277 11638
229744 129516
88610 71984
160785 2116...

result:

ok Good Job! (1 test case)

Test #30:

score: 0
Accepted
time: 70ms
memory: 24112kb

input:

1
297687
114063 114325
61315 256781
17004 254276
279378 173674
50685 133866
254276 270764
254276 168958
160573 254276
183000 144763
254276 41646
138547 226105
254276 62934
250757 284583
254276 147160
254276 62486
163839 23030
246684 80048
219153 38897
254276 184254
297273 295022
146005 254276
229491...

output:

124092
168958 270764
62934 41646
146005 184254
145456 229491
104644 252959
253337 189341
57888 163051
207007 200344
75712 254389
101950 249620
81576 237609
245204 218065
65636 58006
25445 290928
151389 261720
5903 234350
63700 219255
228116 58358
152474 49500
174242 278936
25262 14923
234642 296258
...

result:

ok Good Job! (1 test case)

Test #31:

score: 0
Accepted
time: 85ms
memory: 24920kb

input:

1
298467
24310 131068
270342 284416
110818 163791
140749 270342
200509 156894
128257 270342
286273 39457
230236 150598
48559 18558
271934 270342
270342 221456
270342 240611
146171 270342
142089 270342
265273 37099
4824 207615
273677 270342
270342 233942
131877 270342
282024 14594
58550 270342
3225 1...

output:

149232
271934 284416
233942 146171
112868 58550
67846 189495
249713 75457
54663 13857
112683 91537
259493 209627
239689 74652
213721 76406
164723 192529
255725 271532
1240 294830
85977 103260
88459 240991
86384 104162
72910 279116
234383 184749
75932 25509
126506 29350
33300 29905
135207 151337
2358...

result:

ok Good Job! (1 test case)

Test #32:

score: 0
Accepted
time: 50ms
memory: 26188kb

input:

1
299096
43798 64829
64829 22308
25723 64829
125491 64829
132554 64829
64829 31091
82698 64829
161922 64829
64829 48363
153172 64829
198568 64829
64829 68075
246874 64829
64829 122620
64829 237999
64829 257438
44676 64829
64829 295759
64829 45750
64829 17755
195879 64829
86788 64829
172696 64829
648...

output:

-1

result:

ok Good Job! (1 test case)

Test #33:

score: 0
Accepted
time: 71ms
memory: 26256kb

input:

1
299097
55978 208819
55978 222666
55978 118386
176498 55978
177724 55978
55978 286400
7823 55978
55978 86011
258404 55978
55978 127466
55978 52857
34668 55978
31665 55978
55978 160320
55978 239002
290038 55978
55978 36827
55978 280050
55978 104777
55978 158847
52282 55978
206198 55978
55978 58412
1...

output:

149548
222666 208819
176498 118386
286400 177724
86011 7823
127466 258404
34668 52857
160320 31665
290038 239002
280050 36827
158847 104777
206198 52282
158676 58412
130153 106284
83730 262744
98968 87284
295978 282354
247495 172986
69851 193012
169064 279835
58450 160705
16418 284089
263605 92496
2...

result:

ok Good Job! (1 test case)

Test #34:

score: 0
Accepted
time: 71ms
memory: 26236kb

input:

1
299097
166438 82625
82625 128838
82625 141580
83485 82625
82625 210941
82625 40444
82625 45514
112980 82625
82625 8971
82625 240680
53717 82625
82625 243508
275918 82625
82625 214884
80291 82625
82625 244056
278345 82625
82625 50552
82625 84626
234287 82625
227857 82625
82625 282783
82625 169441
1...

output:

149548
128838 166438
83485 141580
40444 210941
112980 45514
240680 8971
243508 53717
214884 275918
244056 80291
50552 278345
234287 84626
282783 227857
1413 169441
191958 143280
141476 153073
252875 148589
224039 85463
282876 269930
36413 282912
55929 6466
181852 73964
184784 1058
137909 149551
5553...

result:

ok Good Job! (1 test case)

Test #35:

score: 0
Accepted
time: 73ms
memory: 26172kb

input:

1
299097
260330 58892
133029 58892
58892 172471
42729 58892
58892 26074
58892 99490
58892 3974
59464 58892
58892 186328
119256 58892
225649 58892
162394 58892
58892 128284
58892 215895
281775 58892
275533 58892
58892 149488
167782 58892
22771 58892
58892 63000
58892 9677
83128 58892
58892 121018
588...

output:

149548
133029 260330
42729 172471
99490 26074
59464 3974
119256 186328
162394 225649
215895 128284
275533 281775
167782 149488
63000 22771
83128 9677
288822 121018
112020 66044
260473 277110
35006 68644
127209 99291
130518 200917
210701 235295
11396 57873
195229 249308
286320 159762
169660 120559
23...

result:

ok Good Job! (1 test case)

Test #36:

score: 0
Accepted
time: 56ms
memory: 12776kb

input:

10
29462
10852 16001
15495 6444
21756 23481
23752 13053
21560 13691
9711 23194
24917 23476
13053 18916
5 8995
17585 23447
644 13053
27831 13053
22383 10656
15443 21538
10814 3308
4868 2089
23555 13053
25895 13053
12345 13893
13053 14041
13053 8611
4444 15324
23999 27186
27037 13053
23208 22273
22940...

output:

8881
14277 8611
2602 13566
9310 28122
1354 1390
17664 9856
11369 19486
24043 20171
21268 26106
3166 23422
1647 5881
25902 22740
7274 25477
2384 9342
15691 24330
2269 14861
6605 4033
16245 1489
25255 7982
6439 20367
19128 3941
1180 10224
3826 29430
20754 9576
25572 23047
24403 11776
1763 24122
5793 1...

result:

ok Good Job! (10 test cases)

Test #37:

score: 0
Accepted
time: 35ms
memory: 12844kb

input:

100
2959
1769 2187
2304 2429
2635 1931
271 2342
1671 153
707 1154
2597 1668
1048 204
1242 1301
926 2013
1557 2752
488 1893
613 1809
1416 2395
120 1179
982 321
2686 86
2313 2009
878 848
1447 2207
728 1885
2812 1683
1290 1627
2701 135
933 1099
1719 393
2355 2519
1368 384
311 1080
823 1642
459 2670
266...

output:

98
2596 2022
1884 2824
2522 2824
1041 2824
27 2824
80 2824
578 2824
1522 2824
816 2824
2165 2824
458 2824
2585 2824
239 2824
323 2824
1482 2824
419 2824
1777 2824
2483 2824
534 2824
1515 2824
2646 2824
1518 2824
338 2824
2141 2824
1826 2824
2750 2824
439 2824
855 2824
2700 2824
2190 2824
1153 2824
1...

result:

ok Good Job! (100 test cases)

Test #38:

score: 0
Accepted
time: 37ms
memory: 12032kb

input:

1000
294
200 192
200 46
43 256
85 47
98 12
127 200
111 127
257 124
168 32
45 274
197 49
200 27
144 38
156 256
148 202
200 80
31 248
35 66
282 128
60 200
189 37
88 54
238 280
44 245
46 263
220 53
144 200
200 55
58 184
200 153
84 173
31 284
24 170
200 211
22 244
232 242
200 208
188 26
139 154
251 104
...

output:

86
191 208
258 172
69 125
169 182
235 293
103 62
142 206
285 279
215 278
263 200
102 200
292 200
72 200
246 200
158 200
265 200
201 200
48 200
78 200
124 200
44 200
118 200
7 200
2 200
240 200
34 200
224 200
89 200
242 200
11 200
8 200
16 200
13 200
243 200
21 200
173 200
50 200
63 200
97 200
9 200
...

result:

ok Good Job! (1000 test cases)

Test #39:

score: 0
Accepted
time: 89ms
memory: 24880kb

input:

1
299997
253129 238438
256990 147794
56683 265606
62100 74831
58006 231602
227120 138613
72936 16010
271383 221839
110579 31739
13864 11106
196180 159069
78858 61661
262511 279235
45738 172410
2512 6066
144552 29625
194524 184023
196218 229474
256817 33532
166763 175023
188106 91596
93278 158818
280...

output:

149998
39235 110766
196881 121545
63226 273393
75643 184037
147480 55782
125801 277141
263863 136463
99612 219409
278104 200403
40384 17169
133696 232694
174683 214095
141778 72711
71458 241022
43547 158503
235721 85732
259656 59455
217029 229586
172259 30941
266934 289444
250948 223115
277856 35970...

result:

ok Good Job! (1 test case)

Test #40:

score: 0
Accepted
time: 99ms
memory: 24748kb

input:

1
299995
251405 13382
21412 273614
170998 239060
142811 89087
163686 80590
54073 23173
29717 93866
155059 150414
171846 663
218307 10405
252692 83378
131202 289721
52385 252854
293096 280491
216796 237285
242784 243233
52784 6922
68312 26488
205497 147202
65036 297840
58601 67107
164525 57839
167843...

output:

149997
17641 268237
58438 247634
90699 141921
17085 155348
290896 176596
279499 295087
6883 171745
141600 267088
50814 215458
210135 215516
9880 119417
50991 263772
267989 34855
106607 186288
183228 209285
137723 164952
253675 122221
230140 131678
69738 70322
41335 102582
9575 51508
194367 91833
343...

result:

ok Good Job! (1 test case)

Test #41:

score: 0
Accepted
time: 100ms
memory: 24908kb

input:

1
299993
5467 110867
249637 87281
209055 74176
170317 272027
19928 97403
158898 19368
120942 93881
150886 63314
221175 188504
125295 79790
241291 263489
258417 196595
157362 130040
163372 85682
261036 45856
257946 163512
54262 17552
251249 14029
213457 65927
265238 36030
4861 71772
159755 111439
375...

output:

149996
29176 211547
45275 223263
109262 113399
80480 48804
228505 6392
98492 271088
112361 56253
120958 150004
177243 258148
40965 31547
44096 80836
114604 134433
77599 178992
105128 79956
3329 131603
237431 274401
138274 282027
213954 114229
184128 30824
199442 201127
131556 108449
147401 52286
941...

result:

ok Good Job! (1 test case)

Test #42:

score: 0
Accepted
time: 78ms
memory: 24600kb

input:

1
299991
248982 174625
105559 244297
35265 128781
206509 158409
13863 41023
249166 59270
215265 188850
218206 113138
126624 205065
241101 283870
31511 34427
237845 182965
134293 221193
214509 104965
67564 158810
198261 216053
115921 200242
245392 107170
62619 285117
48060 132083
166094 84748
150023 ...

output:

149995
200138 156084
23493 118203
108663 249434
181726 99712
104563 157760
125740 154243
156594 222632
44000 119595
279344 184316
95269 147119
123149 62968
156518 227222
106095 113415
55108 130286
103689 189964
271484 229697
179955 102104
65490 22128
203184 182191
181014 198108
88204 297420
32489 14...

result:

ok Good Job! (1 test case)

Test #43:

score: 0
Accepted
time: 85ms
memory: 24164kb

input:

1
299999
185541 176688
252501 252009
201515 181336
174664 10052
235206 78841
271650 240453
177704 41444
30343 236755
136584 224074
123830 176470
119252 294416
176341 111829
241834 52983
35945 184402
68227 225761
146133 151540
249663 70136
156441 42951
95322 152829
259090 103376
84766 152588
150129 1...

output:

149999
136809 58203
119346 173725
199425 98539
126050 50238
194806 34814
229278 143019
250316 263691
11848 60522
133042 104218
187982 250887
264754 271206
124026 29097
167961 273560
44178 83089
91669 160794
21558 130969
195168 165994
54713 255281
129417 31219
223234 149420
144975 61385
129373 193672...

result:

ok Good Job! (1 test case)

Test #44:

score: 0
Accepted
time: 91ms
memory: 24168kb

input:

1
299997
46586 268160
120257 162918
155586 87070
233774 236522
195573 139640
213343 184602
26338 174317
236326 103114
246267 241694
166020 217647
73806 217138
115817 291894
296219 281396
231138 217264
57086 215561
296205 295067
174916 36910
262907 177629
268640 277927
33944 172724
299448 298104
2913...

output:

149998
36951 106517
61738 56453
211268 203032
25748 212089
118630 117599
135302 76514
1246 238561
252509 70974
130267 83334
141546 45185
24614 119216
16242 153267
35725 183414
205413 183332
141577 111795
27012 168170
176984 17307
97274 192334
112241 124848
72948 1558
109518 220952
221243 170168
2381...

result:

ok Good Job! (1 test case)

Test #45:

score: 0
Accepted
time: 50ms
memory: 12792kb

input:

100
2997
1842 108
983 1626
2076 2280
1960 2673
2029 1154
1506 836
144 1843
173 1775
322 1567
1632 1092
2608 2819
2737 2888
24 2046
400 2487
2396 2569
2072 1695
2223 2237
2175 592
694 2236
2523 2322
2211 2325
2196 2888
1509 1586
2376 2272
2063 2310
2471 2612
2530 2101
1618 25
1830 1404
2646 743
2256 ...

output:

1498
154 1008
1802 692
232 1029
214 841
391 2043
1334 262
2282 2219
2550 1791
2635 2143
1225 1353
1227 1933
2403 1183
2691 804
401 1147
2633 2692
2796 2725
317 87
1511 25
341 770
1952 721
724 55
240 2099
2142 2003
349 215
723 2166
2224 389
2278 333
2348 2413
79 1425
45 1639
1678 808
1389 2155
1080 7...

result:

ok Good Job! (100 test cases)

Extra Test:

score: 0
Extra Test Passed
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服务器时间: 2025-01-20 18:22:23 | 开源项目