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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
#158063#5545. Contingency Planntu_vjudge_2AC ✓172ms35120kbC++172.2kb2023-09-02 16:10:382023-09-02 16:10:39

詳細信息

Test #1:

score: 100
Accepted
time: 2ms
memory: 8312kb

input:

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

output:

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

result:

ok AC

Test #2:

score: 0
Accepted
time: 2ms
memory: 7536kb

input:

3
1 2
2 3

output:

-1

result:

ok AC

Test #3:

score: 0
Accepted
time: 1ms
memory: 7272kb

input:

2
2 1

output:

-1

result:

ok AC

Test #4:

score: 0
Accepted
time: 1ms
memory: 6860kb

input:

5
2 1
2 3
2 4
4 5

output:

1 5
3 5
2 5
1 4

result:

ok AC

Test #5:

score: 0
Accepted
time: 2ms
memory: 9372kb

input:

5
1 4
3 4
4 5
2 5

output:

1 2
3 2
4 2
5 1

result:

ok AC

Test #6:

score: 0
Accepted
time: 0ms
memory: 8752kb

input:

5
5 2
1 2
4 2
3 4

output:

5 3
1 3
2 3
4 1

result:

ok AC

Test #7:

score: 0
Accepted
time: 12ms
memory: 13012kb

input:

20000
1 2
1 3
4 1
5 1
6 1
7 1
1 8
1 9
1 10
1 11
12 1
1 13
14 1
1 15
1 16
17 1
1 18
1 19
20 1
21 1
22 1
1 23
24 1
1 25
26 1
1 27
28 1
29 1
30 1
1 31
1 32
1 33
1 34
1 35
36 1
1 37
1 38
1 39
40 1
41 1
1 42
1 43
44 1
1 45
46 1
1 47
48 1
49 1
1 50
1 51
52 1
53 1
54 1
1 55
56 1
57 1
58 1
1 59
60 1
61 1
1 ...

output:

2 20000
3 20000
4 20000
5 20000
6 20000
7 20000
8 20000
9 20000
10 20000
11 20000
12 20000
13 20000
14 20000
15 20000
16 20000
17 20000
18 20000
19 20000
20 20000
21 20000
22 20000
23 20000
24 20000
25 20000
26 20000
27 20000
28 20000
29 20000
30 20000
31 20000
32 20000
33 20000
34 20000
35 20000
36...

result:

ok AC

Test #8:

score: 0
Accepted
time: 17ms
memory: 12256kb

input:

20000
7662 1
9205 1
5971 1
1 9886
1 18853
14108 1
998 1
1 14958
7100 1
1 2670
1 18493
13838 1
4644 1
2139 1
1 18540
1 14081
1 16836
1 9357
245 1
242 1
1 13472
1 1471
3792 1
1 17875
13976 1
1 15085
1 17283
15014 1
17477 1
11578 1
18441 1
1 14367
3018 1
1 7186
1 4939
2470 1
2993 1
6175 1
1 19886
1 125...

output:

7662 17029
9205 17029
5971 17029
9886 17029
18853 17029
14108 17029
998 17029
14958 17029
7100 17029
2670 17029
18493 17029
13838 17029
4644 17029
2139 17029
18540 17029
14081 17029
16836 17029
9357 17029
245 17029
242 17029
13472 17029
1471 17029
3792 17029
17875 17029
13976 17029
15085 17029
17283...

result:

ok AC

Test #9:

score: 0
Accepted
time: 17ms
memory: 13304kb

input:

20000
8854 1
15635 1
8088 1
1 12138
12367 1
1 15051
6392 1
15564 1
17334 1
1 10164
8704 1
1 13795
1 10292
12108 1
1 50
4 1
1 18364
13341 1
19203 1
1 3017
1 5133
3499 1
19202 1
1 10304
12975 1
1 17220
1 1716
1 4158
1 16763
1 301
1 16645
8690 1
1 10064
16977 1
1 19618
1 5471
1 8763
3997 1
1 3283
11332...

output:

8854 18216
15635 18216
8088 18216
12138 18216
12367 18216
15051 18216
6392 18216
15564 18216
17334 18216
10164 18216
8704 18216
13795 18216
10292 18216
12108 18216
50 18216
4 18216
18364 18216
13341 18216
19203 18216
3017 18216
5133 18216
3499 18216
19202 18216
10304 18216
12975 18216
17220 18216
17...

result:

ok AC

Test #10:

score: 0
Accepted
time: 8ms
memory: 12300kb

input:

20000
1 2
2 3
4 2
2 5
2 6
2 7
2 8
9 2
10 2
2 11
12 2
2 13
14 2
2 15
2 16
17 2
2 18
19 2
20 2
2 21
22 2
2 23
24 2
2 25
26 2
2 27
2 28
29 2
30 2
2 31
2 32
2 33
2 34
35 2
36 2
37 2
38 2
2 39
40 2
2 41
42 2
43 2
2 44
45 2
46 2
2 47
2 48
2 49
50 2
51 2
2 52
2 53
54 2
55 2
56 2
57 2
2 58
2 59
60 2
61 2
2 ...

output:

1 20000
3 20000
4 20000
5 20000
6 20000
7 20000
8 20000
9 20000
10 20000
11 20000
12 20000
13 20000
14 20000
15 20000
16 20000
17 20000
18 20000
19 20000
20 20000
21 20000
22 20000
23 20000
24 20000
25 20000
26 20000
27 20000
28 20000
29 20000
30 20000
31 20000
32 20000
33 20000
34 20000
35 20000
36...

result:

ok AC

Test #11:

score: 0
Accepted
time: 14ms
memory: 12112kb

input:

20000
1 13291
13291 19998
3314 13291
13291 3339
13291 10237
13244 13291
13291 3392
13291 4459
13291 17335
13291 10356
6124 13291
13291 4470
12896 13291
13291 12094
3309 13291
13319 13291
13291 15658
13291 2305
13291 13710
13291 16520
13291 16234
6697 13291
13291 6686
9187 13291
13291 43
13291 2764
1...

output:

1 19555
19998 19555
3314 19555
3339 19555
10237 19555
13244 19555
3392 19555
4459 19555
17335 19555
10356 19555
6124 19555
4470 19555
12896 19555
12094 19555
3309 19555
13319 19555
15658 19555
2305 19555
13710 19555
16520 19555
16234 19555
6697 19555
6686 19555
9187 19555
43 19555
2764 19555
9061 19...

result:

ok AC

Test #12:

score: 0
Accepted
time: 13ms
memory: 13168kb

input:

20000
4030 5565
1206 5565
5565 8947
4887 5565
14605 5565
5565 2947
5565 9038
5565 5326
5565 9021
11087 5565
5565 19562
895 5565
14653 5565
5565 10803
5565 9750
5565 16331
4689 5565
14307 5565
11631 5565
5565 13244
10554 5565
8112 5565
5565 9394
5565 5945
15279 5565
5565 15512
1334 5565
5565 6025
556...

output:

4030 9353
1206 9353
8947 9353
4887 9353
14605 9353
2947 9353
9038 9353
5326 9353
9021 9353
11087 9353
19562 9353
895 9353
14653 9353
10803 9353
9750 9353
16331 9353
4689 9353
14307 9353
11631 9353
13244 9353
10554 9353
8112 9353
9394 9353
5945 9353
15279 9353
15512 9353
1334 9353
6025 9353
19566 935...

result:

ok AC

Test #13:

score: 0
Accepted
time: 43ms
memory: 28408kb

input:

100000
1 2
3 1
1 4
5 1
1 6
1 7
1 8
1 9
10 1
1 11
1 12
13 1
1 14
1 15
16 1
17 1
18 1
1 19
1 20
1 21
1 22
1 23
24 1
25 1
26 1
27 1
28 1
29 1
30 1
31 1
1 32
33 1
34 1
35 1
36 1
37 1
1 38
1 39
1 40
1 41
1 42
43 1
1 44
45 1
1 46
1 47
48 1
49 1
1 50
51 1
52 1
53 1
54 1
1 55
56 1
57 1
58 1
59 1
60 1
1 61
1...

output:

2 100000
3 100000
4 100000
5 100000
6 100000
7 100000
8 100000
9 100000
10 100000
11 100000
12 100000
13 100000
14 100000
15 100000
16 100000
17 100000
18 100000
19 100000
20 100000
21 100000
22 100000
23 100000
24 100000
25 100000
26 100000
27 100000
28 100000
29 100000
30 100000
31 100000
32 10000...

result:

ok AC

Test #14:

score: 0
Accepted
time: 3ms
memory: 9672kb

input:

5
2 1
3 2
4 3
5 4

output:

1 5
2 5
3 5
4 1

result:

ok AC

Test #15:

score: 0
Accepted
time: 117ms
memory: 28312kb

input:

100000
21871 1
13678 1
27196 1
70437 1
1 35891
1 43010
28018 1
1 64489
61157 1
1 35572
1 41613
1 73049
93865 1
83507 1
1 92127
86278 1
1 15004
1 44154
2005 1
1 94210
41410 1
1 5886
69836 1
1 24120
1 80802
1 9940
66220 1
66549 1
1 20103
1 5
1 33021
35482 1
76185 1
34850 1
1 55173
1 72488
1 76286
1 99...

output:

21871 99803
13678 99803
27196 99803
70437 99803
35891 99803
43010 99803
28018 99803
64489 99803
61157 99803
35572 99803
41613 99803
73049 99803
93865 99803
83507 99803
92127 99803
86278 99803
15004 99803
44154 99803
2005 99803
94210 99803
41410 99803
5886 99803
69836 99803
24120 99803
80802 99803
99...

result:

ok AC

Test #16:

score: 0
Accepted
time: 114ms
memory: 28552kb

input:

100000
1 12976
28108 1
87682 1
79359 1
16128 1
1 90652
1 55874
27276 1
1 66899
1 10296
1 37870
1 78978
26221 1
28589 1
1 46430
32252 1
22407 1
68230 1
64944 1
1 53457
31023 1
1 57101
1 82578
1 33273
69683 1
64357 1
1 32517
1 45623
1 29497
41082 1
1 43731
1 28620
1 64304
1 23462
1 81982
1 91877
1 309...

output:

12976 78172
28108 78172
87682 78172
79359 78172
16128 78172
90652 78172
55874 78172
27276 78172
66899 78172
10296 78172
37870 78172
78978 78172
26221 78172
28589 78172
46430 78172
32252 78172
22407 78172
68230 78172
64944 78172
53457 78172
31023 78172
57101 78172
82578 78172
33273 78172
69683 78172
...

result:

ok AC

Test #17:

score: 0
Accepted
time: 49ms
memory: 28540kb

input:

100000
1 2
2 3
4 2
5 2
2 6
7 2
2 8
2 9
2 10
2 11
2 12
2 13
2 14
2 15
16 2
2 17
18 2
19 2
20 2
21 2
2 22
23 2
24 2
2 25
2 26
27 2
28 2
29 2
30 2
2 31
32 2
2 33
34 2
35 2
2 36
2 37
38 2
2 39
40 2
2 41
42 2
43 2
44 2
45 2
2 46
47 2
2 48
49 2
50 2
2 51
2 52
2 53
2 54
2 55
56 2
2 57
58 2
59 2
60 2
61 2
6...

output:

1 100000
3 100000
4 100000
5 100000
6 100000
7 100000
8 100000
9 100000
10 100000
11 100000
12 100000
13 100000
14 100000
15 100000
16 100000
17 100000
18 100000
19 100000
20 100000
21 100000
22 100000
23 100000
24 100000
25 100000
26 100000
27 100000
28 100000
29 100000
30 100000
31 100000
32 10000...

result:

ok AC

Test #18:

score: 0
Accepted
time: 119ms
memory: 28400kb

input:

100000
15924 1
13919 15924
86413 15924
15924 78418
36904 15924
15924 60478
15924 78563
15924 23855
63531 15924
15574 15924
73713 15924
62532 15924
15924 19461
15924 80750
15924 57012
15924 27046
55780 15924
69619 15924
58970 15924
65824 15924
15924 3195
26782 15924
71411 15924
84915 15924
95347 1592...

output:

1 26907
13919 26907
86413 26907
78418 26907
36904 26907
60478 26907
78563 26907
23855 26907
63531 26907
15574 26907
73713 26907
62532 26907
19461 26907
80750 26907
57012 26907
27046 26907
55780 26907
69619 26907
58970 26907
65824 26907
3195 26907
26782 26907
71411 26907
84915 26907
95347 26907
53739...

result:

ok AC

Test #19:

score: 0
Accepted
time: 124ms
memory: 28528kb

input:

100000
40659 47250
51514 40659
40659 83613
16333 40659
25291 40659
40659 61711
40659 37621
40659 66805
40659 59550
67744 40659
40659 46644
40659 21771
40659 98164
40659 6655
75053 40659
90431 40659
40659 58023
48769 40659
11506 40659
19125 40659
52852 40659
98702 40659
53360 40659
40659 3999
66767 4...

output:

47250 86919
51514 86919
83613 86919
16333 86919
25291 86919
61711 86919
37621 86919
66805 86919
59550 86919
67744 86919
46644 86919
21771 86919
98164 86919
6655 86919
75053 86919
90431 86919
58023 86919
48769 86919
11506 86919
19125 86919
52852 86919
98702 86919
53360 86919
3999 86919
66767 86919
82...

result:

ok AC

Test #20:

score: 0
Accepted
time: 11ms
memory: 14932kb

input:

20000
13211 1
1 10767
13211 16998
13211 495
10767 7635
10767 6994
10669 16998
1369 16998
495 4745
722 495
7635 251
3552 7635
7267 6994
6994 1772
10669 18929
10669 9328
3076 1369
1369 14212
4745 284
4745 9599
722 6137
722 10565
15137 251
5349 251
16431 3552
3552 15719
7267 10917
598 7267
19533 1772
1...

output:

1 10376
10767 15632
13211 10376
495 15632
7635 10376
6994 10376
10669 10376
16998 10376
4745 10376
722 10376
251 15632
3552 15632
7267 15632
1772 15632
18929 15632
9328 15632
3076 10376
1369 10376
284 15632
9599 15632
6137 15632
10565 15632
15137 10376
5349 10376
16431 10376
15719 10376
10917 10376
...

result:

ok AC

Test #21:

score: 0
Accepted
time: 14ms
memory: 12160kb

input:

20000
11262 14400
16805 2790
19084 11979
15259 5949
9916 12236
2445 1637
1905 15141
9540 16655
12812 16186
19052 1523
6643 1443
13738 10091
9218 1337
16617 16436
17295 16466
1171 1217
19150 5280
2830 8076
16135 7234
11460 213
8101 341
5438 6331
5029 14871
10725 2090
5998 12241
8902 3420
4340 7265
18...

output:

14400 5679
16805 5679
11979 5679
5949 5679
9916 5679
2445 5679
15141 5679
16655 5679
16186 5679
1523 5679
1443 5679
10091 5679
9218 5679
16617 5679
16466 5679
1217 5679
19150 5679
2830 5679
7234 5679
11460 5679
8101 5679
6331 5679
14871 5679
10725 5679
12241 5679
8902 5679
7265 5679
5618 5679
14867 ...

result:

ok AC

Test #22:

score: 0
Accepted
time: 16ms
memory: 12604kb

input:

20000
19272 1
19272 7240
6952 7240
6952 10594
12564 10594
12564 13132
14483 13132
14483 1891
9772 1891
16614 9772
14519 16614
12050 14519
4039 12050
4039 9679
8408 4039
12050 6797
17990 6797
6797 17659
14519 14985
16415 14985
1735 16415
16415 18821
14985 9402
9402 18947
9402 5386
17560 16614
17560 1...

output:

19272 9518
7240 8681
6952 9518
10594 8681
12564 9518
13132 8681
14483 9518
1891 8681
9772 9518
16614 8681
14519 9518
12050 8681
4039 9518
9679 8681
8408 8681
6797 9518
17990 8681
17659 8681
14985 8681
16415 9518
1735 8681
18821 8681
9402 9518
18947 8681
5386 8681
17560 9518
1094 8681
7537 9518
19700...

result:

ok AC

Test #23:

score: 0
Accepted
time: 11ms
memory: 12980kb

input:

20000
4410 1
7210 1
1 2389
4410 18377
4410 4507
7905 4410
7210 14849
12441 7210
7210 9005
17807 2389
2389 6619
2389 6604
6913 18377
5811 18377
7249 18377
4507 1582
4507 8857
4507 17635
10077 7905
7905 4687
8607 7905
14849 16870
14849 3298
14849 2376
12441 9009
12441 10729
19879 12441
9005 19790
7715...

output:

4410 2201
1 2201
2389 10091
18377 10091
4507 10091
7905 10091
14849 2201
7210 2201
9005 10091
17807 2201
6619 2201
6604 2201
6913 2201
5811 2201
7249 2201
1582 2201
8857 2201
17635 2201
10077 2201
4687 2201
8607 2201
16870 10091
3298 10091
2376 10091
9009 2201
12441 2201
19879 10091
19790 2201
7715 ...

result:

ok AC

Test #24:

score: 0
Accepted
time: 17ms
memory: 14808kb

input:

20000
7223 19213
12395 18674
16451 12980
18029 7848
16056 11920
6906 11077
3923 10662
9192 4837
17604 11135
16462 2457
18842 9770
15130 10251
19601 6770
7954 12079
7559 642
15051 17509
1146 18583
18196 17621
4980 8041
19973 15310
16834 11112
3176 8010
957 12737
4072 830
3194 1873
11400 3394
6914 806...

output:

19213 16305
12395 16305
12980 16305
7848 16305
11920 16305
6906 16305
3923 16305
4837 16305
11135 16305
2457 16305
9770 16305
10251 16305
6770 16305
12079 16305
7559 16305
15051 16305
1146 16305
17621 16305
8041 16305
19973 16305
11112 16305
3176 16305
957 16305
830 16305
3194 16305
11400 16305
6914...

result:

ok AC

Test #25:

score: 0
Accepted
time: 0ms
memory: 7524kb

input:

5
2 1
3 1
4 1
1 5

output:

-1

result:

ok AC

Test #26:

score: 0
Accepted
time: 15ms
memory: 13160kb

input:

20000
1 4794
4794 19823
8249 19823
8249 19672
16549 19672
13478 16549
3608 13478
3608 14623
14623 10303
19353 14623
14623 7999
3608 14367
14367 17910
14367 8488
16947 14367
3608 1121
1121 1836
13048 1121
17393 1121
11488 13478
11488 17346
8954 17346
17346 4922
17346 13440
11488 2278
16202 2278
593 2...

output:

4794 13429
19823 5753
8249 13429
19672 5753
16549 13429
13478 5753
3608 13429
14623 5753
10303 13429
19353 13429
7999 13429
14367 5753
17910 13429
8488 13429
16947 13429
1121 5753
1836 13429
13048 13429
17393 13429
11488 13429
17346 5753
8954 13429
4922 13429
13440 13429
2278 5753
16202 13429
593 13...

result:

ok AC

Test #27:

score: 0
Accepted
time: 13ms
memory: 13380kb

input:

20000
1 17253
5390 1
1 10221
1 16259
8902 1
10509 1
1 16551
1 13314
1 12754
1 11707
1 7781
1 2105
1 18132
1 12907
1 5609
1 15234
1 18609
1 13919
1 13882
1 15621
1 1997
1 14002
1 18056
7498 1
13534 1
1530 1
1 14773
1 2001
1 10679
1 13745
6140 1
19975 1
14198 1
1 7536
5623 1
1 6120
1 6954
730 1
1 1601...

output:

1 971
5390 6357
10221 6357
16259 6357
8902 6357
10509 6357
16551 6357
13314 6357
12754 6357
11707 6357
7781 6357
2105 6357
18132 6357
12907 6357
5609 6357
15234 6357
18609 6357
13919 6357
13882 6357
15621 6357
1997 6357
14002 6357
18056 6357
7498 6357
13534 6357
1530 6357
14773 6357
2001 6357
10679 ...

result:

ok AC

Test #28:

score: 0
Accepted
time: 22ms
memory: 15116kb

input:

20000
5445 4016
925 12966
8179 19342
5779 1
9123 4530
5079 8720
8754 5478
17667 13748
7203 13819
10489 7645
8537 14929
4717 5427
239 4564
17407 14318
6756 7348
4638 17915
19455 15109
3853 19342
15246 17470
8228 16612
7726 13819
1 16617
16607 6208
6228 12081
1615 14545
11897 16624
7653 14499
7273 195...

output:

5445 19398
12966 19398
8179 19398
5779 19398
9123 19398
5079 19398
5478 19398
13748 19398
7203 19398
7645 19398
14929 19398
4717 19398
4564 19398
14318 19398
7348 19398
17915 19398
15109 19398
3853 19398
15246 19398
8228 19398
7726 19398
16617 19398
16607 19398
6228 19398
1615 19398
11897 19398
1449...

result:

ok AC

Test #29:

score: 0
Accepted
time: 18ms
memory: 12636kb

input:

20000
1 10558
10558 7298
7298 3082
17807 7298
793 7298
11663 7298
12412 7298
10699 7298
7298 1146
2462 7298
7298 12577
11701 7298
7298 7622
3831 7298
19955 7298
3001 7298
7298 18329
7298 851
7298 16782
7298 17396
7298 15015
12771 7298
7298 10926
4736 7298
9088 7298
4867 7298
16066 7298
7298 2148
729...

output:

10558 19849
7298 16917
3082 19849
17807 19849
793 19849
11663 19849
12412 19849
10699 19849
1146 19849
2462 19849
12577 19849
11701 19849
7622 19849
3831 19849
19955 19849
3001 19849
18329 19849
851 19849
16782 19849
17396 19849
15015 19849
12771 19849
10926 19849
4736 19849
9088 19849
4867 19849
16...

result:

ok AC

Test #30:

score: 0
Accepted
time: 15ms
memory: 16144kb

input:

20000
1 11767
10226 11767
6246 10226
6576 6246
458 6576
458 5997
16052 5997
16052 10900
4370 10900
4370 17480
17480 11379
4859 11379
14663 4859
18363 14663
1454 18363
18490 1454
18490 17760
17760 19850
19832 19850
4252 19832
5482 4252
2802 5482
17779 2802
17779 8601
10844 8601
10844 17372
1230 17372...

output:

1 4129
11767 4129
10226 4129
6246 4129
6576 4129
458 4129
5997 4129
16052 4129
10900 4129
4370 4129
17480 4129
11379 4129
4859 4129
14663 4129
18363 4129
1454 4129
18490 4129
17760 4129
19850 4129
19832 4129
4252 4129
5482 4129
2802 4129
17779 4129
8601 4129
10844 4129
17372 4129
1230 4129
13019 412...

result:

ok AC

Test #31:

score: 0
Accepted
time: 16ms
memory: 13400kb

input:

20000
16653 18166
1123 17313
12716 14313
11207 7401
2794 831
480 7420
4462 1161
575 456
15192 3052
12389 7101
15729 18976
18772 19492
18805 2052
866 10412
8160 3697
13319 15062
19241 11526
11876 3502
613 17770
15035 14829
6518 16531
11665 19122
15722 18062
19841 14843
5758 3123
1633 14519
3637 13277...

output:

18166 18123
17313 18123
14313 18123
11207 18123
831 18123
7420 18123
1161 18123
575 5770
3052 5770
7101 5770
18976 5770
18772 5770
18805 5770
10412 18123
8160 5770
15062 5770
19241 5770
11876 5770
613 5770
14829 5770
16531 5770
11665 5770
15722 5770
19841 5770
5758 5770
14519 5770
3637 5770
14004 57...

result:

ok AC

Test #32:

score: 0
Accepted
time: 2ms
memory: 9704kb

input:

20000
5613 1
1 999
1 16709
1 2491
9549 1
19706 1
1 1022
1 3884
1 1916
6627 1
1 1600
10265 1
1 19100
19766 1
1 7450
1 14375
5986 1
10295 1
8625 1
11810 1
1 15542
1 5745
3506 1
12842 1
1 11860
1 16317
1 6553
12476 1
1 6031
8445 1
6462 1
1 1601
1 3014
14100 1
1 6771
1 2360
1 15402
4549 1
6116 1
1 17848...

output:

-1

result:

ok AC

Test #33:

score: 0
Accepted
time: 9ms
memory: 8876kb

input:

20000
2509 13795
17043 13795
12006 13795
13795 822
3022 13795
8572 13795
2579 13795
13795 9673
12654 13795
4181 13795
13795 15912
13795 8902
13795 19201
5015 13795
243 13795
13795 6524
13795 9461
16403 13795
13795 18444
1316 13795
15366 13795
13795 17126
13795 309
13795 10938
13795 1255
13795 5588
1...

output:

-1

result:

ok AC

Test #34:

score: 0
Accepted
time: 16ms
memory: 14876kb

input:

20000
12144 2902
8713 11740
8870 10266
6116 3885
5943 8380
10496 956
14162 9193
4497 3275
5480 4601
6858 17285
1067 3003
19501 1958
5579 12167
844 12167
5372 16648
18876 13545
6559 10656
2910 6918
5632 16656
10135 11948
11253 13524
10068 15948
17884 3833
6830 16257
1248 6924
9806 14359
11033 8077
86...

output:

12144 548
8713 548
10266 548
6116 548
5943 548
10496 548
9193 548
4497 548
5480 548
6858 548
3003 548
1958 548
5579 548
12167 548
16648 548
18876 548
10656 548
6918 548
5632 548
10135 548
11253 548
10068 548
3833 548
16257 548
6924 548
9806 548
8077 548
8650 548
9461 548
2145 548
18808 548
17834 548...

result:

ok AC

Test #35:

score: 0
Accepted
time: 14ms
memory: 12200kb

input:

20000
1284 10854
1436 9770
17852 14859
19561 13068
19123 19730
8297 15453
7167 3888
5853 15710
18440 5611
9368 5242
6667 12315
19899 12021
13550 19105
16314 1977
18051 11095
4122 16348
1987 4873
14613 10548
375 11649
6442 1199
228 18390
4006 7870
2115 10763
13056 1980
4042 9649
11446 10078
14111 289...

output:

1284 5997
1436 5997
17852 5997
13068 5997
19730 5997
15453 5997
3888 5997
5853 5997
18440 5997
5242 5997
12315 5997
12021 5997
19105 5997
1977 5997
11095 5997
4122 5997
4873 5997
10548 5997
11649 5653
1199 5997
228 5997
4006 5997
10763 5653
1980 5997
9649 5997
11446 5997
14111 5997
14896 5997
6991 5...

result:

ok AC

Test #36:

score: 0
Accepted
time: 0ms
memory: 8440kb

input:

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

output:

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

result:

ok AC

Test #37:

score: 0
Accepted
time: 19ms
memory: 15060kb

input:

20000
1 1914
16448 1914
16448 447
1 19785
19232 19785
17236 19785
12409 17236
11707 12409
15526 11707
15526 12645
19367 12645
19367 7871
12617 7871
658 7871
2936 7871
10186 2936
10186 12483
4222 12483
4222 6106
3280 6106
7313 6106
17305 6106
2244 17305
17305 18735
16748 6106
16748 1554
16748 1261
73...

output:

1914 3013
16448 18039
447 3013
1 3013
19232 3013
19785 3013
17236 3013
12409 3013
15526 3013
12645 18039
19367 3013
7871 18039
12617 3013
658 3013
2936 3013
10186 18039
12483 3013
4222 18039
6106 3013
3280 18039
7313 18039
17305 18039
2244 3013
18735 3013
16748 18039
1554 3013
1261 3013
7318 3013
95...

result:

ok AC

Test #38:

score: 0
Accepted
time: 15ms
memory: 15684kb

input:

20000
8234 1
16079 8234
18825 16079
18825 12361
12361 6709
6709 10905
12205 10905
3916 12205
16311 3916
16423 16311
16423 10094
10094 9710
1474 9710
1474 18631
18631 13459
6640 13459
19380 6640
19380 6320
19874 6320
2212 19874
2212 8880
8880 2809
15348 2809
14869 15348
14869 8029
924 8029
924 10270
...

output:

1 3930
16079 3930
18825 8234
12361 3930
6709 8234
10905 3930
12205 8234
3916 3930
16311 8234
16423 3930
10094 8234
9710 3930
1474 8234
18631 3930
13459 8234
6640 3930
19380 8234
6320 3930
19874 8234
2212 3930
8880 8234
2809 3930
15348 8234
14869 3930
8029 8234
924 3930
10270 8234
16526 3930
4694 823...

result:

ok AC

Test #39:

score: 0
Accepted
time: 21ms
memory: 12100kb

input:

20000
3828 10203
17892 5873
17224 10321
12241 7554
2948 6507
17619 16861
11410 1012
17019 18616
13582 19398
16411 15552
578 14161
9621 19542
9684 1699
16733 9223
16474 19501
15178 3217
9743 11111
6539 14379
5655 12001
10637 2251
13411 7006
7104 9228
15833 19339
12622 4315
19092 7490
8033 12870
19399...

output:

3828 4022
5873 4022
17224 4022
7554 14489
6507 14489
17619 14489
1012 4022
18616 14489
19398 14489
16411 14489
578 4022
9621 14489
9684 4022
16733 14489
19501 4022
3217 14489
11111 14489
6539 14489
12001 14489
2251 4022
13411 4022
9228 4022
15833 14489
4315 14489
19092 14489
8033 4022
1103 4022
1272...

result:

ok AC

Test #40:

score: 0
Accepted
time: 20ms
memory: 15656kb

input:

20000
6712 1
6712 16871
8572 16871
8572 10641
10641 16702
16702 18095
14014 18095
14014 10577
10577 1956
1956 13463
4593 13463
4593 17604
8524 17604
8524 4625
4625 5906
5906 17983
17983 13029
13029 7366
13038 7366
13038 3804
3804 3699
3699 15717
15717 967
16443 967
16443 1797
3079 1797
9213 3079
232...

output:

6712 11701
16871 1
8572 11701
10641 1
16702 11701
18095 1
14014 11701
10577 1
1956 11701
13463 1
4593 11701
17604 1
8524 11701
4625 1
5906 11701
17983 1
13029 11701
7366 1
13038 11701
3804 1
3699 11701
15717 1
967 11701
16443 1
1797 11701
3079 1
9213 11701
232 1
16743 11701
1222 1
4937 11701
10300 1...

result:

ok AC

Test #41:

score: 0
Accepted
time: 24ms
memory: 13372kb

input:

20000
2591 11751
5562 1300
9597 7814
11201 6762
9942 6089
18201 10054
14040 17666
14050 3479
2754 6286
5122 10070
2705 10053
3703 8076
33 13628
18330 17144
15031 16159
668 10414
14591 4857
15396 13207
6623 13987
3946 9270
15622 17484
4063 8811
12866 7551
3439 8748
10982 6076
15522 1678
8947 4749
677...

output:

11751 14808
1300 14808
9597 14808
6762 14808
6089 2294
10054 2294
17666 2294
14050 2294
2754 2294
10070 14808
10053 14808
3703 2294
13628 14808
17144 14808
15031 14808
10414 2294
4857 14808
15396 14808
6623 14808
3946 2294
17484 2294
8811 2294
7551 2294
3439 14808
6076 14808
1678 14808
4749 14808
67...

result:

ok AC

Test #42:

score: 0
Accepted
time: 135ms
memory: 28336kb

input:

100000
1 72500
1 89151
72500 50542
16422 72500
31678 89151
89151 54297
19071 50542
25039 50542
59896 16422
57305 16422
17263 31678
31678 3514
54297 25341
13381 54297
19071 7507
15806 19071
25039 62775
20433 25039
59896 28013
59896 2793
84857 57305
57305 84225
17263 6434
17263 61853
37741 3514
3514 8...

output:

72500 36204
1 36204
50542 5005
16422 5005
89151 36204
54297 5005
19071 36204
25039 36204
59896 36204
57305 36204
31678 36204
3514 5005
25341 36204
13381 36204
7507 5005
15806 5005
62775 5005
20433 5005
28013 5005
2793 5005
84857 5005
84225 5005
17263 36204
61853 5005
37741 36204
83001 36204
44061 50...

result:

ok AC

Test #43:

score: 0
Accepted
time: 172ms
memory: 28620kb

input:

100000
37174 25594
26356 56758
70911 5299
53571 20298
89704 67180
69629 74497
31785 14492
10546 1814
71677 54029
2466 28838
57294 23003
35667 41920
5998 95159
14430 34895
74794 85483
87138 10195
54295 96087
21621 26770
92353 70922
56725 17254
67745 92044
30390 34948
64685 31050
54736 78533
63644 859...

output:

37174 16018
26356 16018
70911 16018
20298 16018
89704 16018
74497 16018
14492 16018
10546 16018
71677 16018
28838 16018
23003 16018
41920 16018
95159 16018
34895 16018
74794 16018
10195 16018
54295 16018
21621 16018
70922 16018
56725 16018
67745 16018
30390 16018
31050 16018
78533 16018
8591 16018
4...

result:

ok AC

Test #44:

score: 0
Accepted
time: 149ms
memory: 28332kb

input:

100000
90403 1
90403 84049
84049 28339
50038 28339
50038 23735
23735 87291
87291 26404
26404 3276
3276 37488
67144 37488
67144 15335
15335 73596
32815 73596
58348 32815
32340 58348
77042 32340
32340 17210
58348 68281
68281 13360
68281 52957
32815 3781
88746 3781
33513 88746
88746 23338
11895 3781
90...

output:

90403 6550
84049 3481
28339 6550
50038 3481
23735 6550
87291 3481
26404 6550
3276 3481
37488 6550
67144 3481
15335 6550
73596 3481
32815 6550
58348 3481
32340 6550
77042 3481
17210 3481
68281 6550
13360 3481
52957 3481
3781 3481
88746 6550
33513 3481
23338 3481
11895 6550
90021 3481
30580 3481
48662...

result:

ok AC

Test #45:

score: 0
Accepted
time: 139ms
memory: 27916kb

input:

100000
10753 1
31716 1
1 8354
41344 10753
10753 22340
33736 10753
31716 74747
24655 31716
31716 93736
4454 8354
65308 8354
36992 8354
53743 41344
59301 41344
41344 86462
22340 77782
22340 49193
90415 22340
33736 2126
72574 33736
33736 98153
92064 74747
23614 74747
74747 96121
24655 95702
47727 24655...

output:

1 83935
31716 28216
8354 28216
10753 83935
22340 28216
33736 28216
74747 83935
24655 83935
93736 83935
4454 83935
65308 83935
36992 83935
53743 83935
41344 83935
86462 28216
77782 83935
49193 83935
90415 83935
2126 83935
72574 83935
98153 83935
92064 28216
23614 28216
96121 28216
95702 28216
47727 2...

result:

ok AC

Test #46:

score: 0
Accepted
time: 148ms
memory: 28088kb

input:

100000
82182 59525
43093 74187
83434 62328
30609 75691
98351 97443
93951 9234
89762 57868
66707 24839
91314 82444
9148 12031
46318 817
9254 56692
67828 19158
29614 79432
64090 86748
43645 44758
91501 26481
13108 70283
53676 76180
2183 16343
17086 64156
13813 38661
1934 69441
21652 50770
62980 13969
...

output:

82182 97189
74187 97189
83434 97189
30609 97189
97443 97189
93951 97189
57868 97189
24839 97189
91314 97189
9148 97189
817 97189
56692 97189
67828 97189
79432 97189
64090 97189
44758 97189
26481 97189
70283 97189
76180 97189
2183 97189
17086 97189
38661 97189
69441 97189
50770 97189
13969 97189
3288...

result:

ok AC

Test #47:

score: 0
Accepted
time: 1ms
memory: 9304kb

input:

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

output:

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

result:

ok AC

Test #48:

score: 0
Accepted
time: 129ms
memory: 27976kb

input:

100000
1 59819
46211 59819
46211 78631
78631 6887
6887 15685
45496 15685
45496 38399
38399 43932
22491 43932
22491 57782
25655 57782
57782 81578
40906 57782
22491 8185
8185 92518
96199 8185
63790 8185
22491 64847
84427 64847
34665 64847
30015 64847
34952 43932
34952 12997
41447 12997
19357 12997
307...

output:

59819 73495
46211 2111
78631 73495
6887 2111
15685 73495
45496 2111
38399 73495
43932 2111
22491 73495
57782 2111
25655 73495
81578 73495
40906 73495
8185 2111
92518 73495
96199 73495
63790 73495
64847 2111
84427 73495
34665 73495
30015 73495
34952 73495
12997 2111
41447 73495
19357 73495
30750 7349...

result:

ok AC

Test #49:

score: 0
Accepted
time: 105ms
memory: 28624kb

input:

100000
70720 1
71027 1
48338 1
1 61809
1 79963
1 39740
86644 1
14939 1
39918 1
41470 1
23364 1
1 54664
1 96370
1 53835
1 67313
33696 1
44243 1
50423 1
1 70539
73776 1
560 1
98363 1
71623 1
72365 1
1 73548
1 82843
1 64083
52686 1
1 44452
1 94601
1 43725
88136 1
1 65340
30989 1
1 94282
76705 1
1 4208
...

output:

1 1833
71027 52710
48338 52710
61809 52710
79963 52710
39740 52710
86644 52710
14939 52710
39918 52710
41470 52710
23364 52710
54664 52710
96370 52710
53835 52710
67313 52710
33696 52710
44243 52710
50423 52710
70539 52710
73776 52710
560 52710
98363 52710
71623 52710
72365 52710
73548 52710
82843 5...

result:

ok AC

Test #50:

score: 0
Accepted
time: 147ms
memory: 28548kb

input:

100000
55448 49209
4084 16405
52470 22193
57007 13008
43787 82824
91893 67413
72105 89438
5791 85302
74502 44950
57906 11997
53465 42216
63894 41770
20892 54078
19530 68055
34937 22893
43941 47065
54015 53196
91519 81132
80483 71834
1399 53196
18226 23550
46619 51969
78131 47878
85576 60764
37319 88...

output:

55448 20608
4084 20608
22193 20608
13008 20608
82824 20608
91893 20608
72105 20608
5791 20608
44950 20608
11997 20608
42216 20608
41770 20608
20892 20608
68055 20608
22893 20608
47065 20608
54015 20608
91519 20608
80483 20608
1399 20608
23550 20608
46619 20608
47878 20608
85576 20608
37319 20608
321...

result:

ok AC

Test #51:

score: 0
Accepted
time: 102ms
memory: 28556kb

input:

100000
1 13485
13485 21238
21238 89751
21238 74621
14404 21238
60040 21238
21238 46089
46928 21238
73214 21238
88224 21238
47403 21238
21238 99205
89778 21238
21238 89464
22870 21238
21238 75159
40123 21238
33512 21238
21238 30257
70298 21238
21238 79591
57804 21238
21238 99840
64087 21238
12717 212...

output:

13485 82044
21238 57578
89751 82044
74621 82044
14404 82044
60040 82044
46089 82044
46928 82044
73214 82044
88224 82044
47403 82044
99205 82044
89778 82044
89464 82044
22870 82044
75159 82044
40123 82044
33512 82044
30257 82044
70298 82044
79591 82044
57804 82044
99840 82044
64087 82044
12717 82044
...

result:

ok AC

Test #52:

score: 0
Accepted
time: 132ms
memory: 35120kb

input:

100000
43730 1
43730 8413
8413 13508
53025 13508
44444 53025
44444 46747
54535 46747
54535 16058
16058 27066
27066 73721
35961 73721
18398 35961
18398 3188
3188 9998
57229 9998
57229 96831
2109 96831
2109 89059
89059 89520
89520 62512
62512 9136
9136 32949
27353 32949
19993 27353
19993 17305
91005 1...

output:

1 91469
43730 91469
8413 91469
13508 91469
53025 91469
44444 91469
46747 91469
54535 91469
16058 91469
27066 91469
73721 91469
35961 91469
18398 91469
3188 91469
9998 91469
57229 91469
96831 91469
2109 91469
89059 91469
89520 91469
62512 91469
9136 91469
32949 91469
27353 91469
19993 91469
17305 914...

result:

ok AC

Test #53:

score: 0
Accepted
time: 159ms
memory: 32540kb

input:

100000
5616 54215
70847 24268
13256 88765
87054 72678
65173 1284
61132 24104
29759 37270
50005 62107
8909 58386
97772 68628
3463 41963
93835 10608
7780 68599
97385 40426
52295 15155
65521 84045
97372 22218
24089 69011
44236 64952
21273 33469
21618 31458
76924 4738
27278 21658
6790 18294
2343 82355
8...

output:

54215 56525
24268 57535
88765 56525
72678 57535
1284 57535
61132 56525
37270 56525
50005 57535
58386 57535
97772 56525
3463 57535
10608 57535
68599 57535
40426 56525
15155 56525
65521 57535
22218 57535
69011 56525
64952 57535
33469 56525
31458 56525
76924 56525
27278 56525
18294 57535
2343 56525
953...

result:

ok AC

Test #54:

score: 0
Accepted
time: 52ms
memory: 16004kb

input:

100000
1 81565
21567 1
86484 1
95714 1
1 93565
1 15812
51087 1
15941 1
36746 1
1 34149
1 71887
1 61269
1 93111
1 52394
8732 1
1 62378
1 74176
1362 1
15806 1
91535 1
1 77121
1 17356
1 23401
70673 1
1 21367
77472 1
1 44692
1 45094
1 43652
62628 1
1 81187
1 98635
2258 1
1 491
1 1963
1 83580
12393 1
1 5...

output:

-1

result:

ok AC

Test #55:

score: 0
Accepted
time: 61ms
memory: 15540kb

input:

100000
62999 54230
62172 54230
54230 87813
80978 54230
54230 13635
8808 54230
34109 54230
54230 13451
54230 30179
9847 54230
93260 54230
54230 45610
54230 7282
54230 42958
54230 54480
54230 62452
54230 95890
32418 54230
54230 8456
54230 64404
54230 40018
54230 70843
38010 54230
57364 54230
95022 542...

output:

-1

result:

ok AC

Test #56:

score: 0
Accepted
time: 142ms
memory: 28096kb

input:

100000
85431 10525
82137 81079
48778 58755
215 90110
51120 51131
16823 69899
6320 72931
65015 30930
68354 78098
32070 13344
55633 13621
69157 69872
92675 79903
96312 24145
13234 89857
62310 15217
7671 50027
34561 73029
90324 42836
14988 3767
96314 18015
665 82164
49080 34432
24022 62814
89664 13182
...

output:

85431 91926
81079 91926
48778 91926
215 91926
51131 91926
16823 91926
72931 91926
30930 91926
78098 91926
13344 91926
13621 91926
69157 91926
79903 91926
24145 91926
13234 91926
15217 91926
7671 91926
73029 91926
90324 91926
3767 91926
18015 91926
665 91926
49080 91926
24022 91926
13182 91926
34581 ...

result:

ok AC

Test #57:

score: 0
Accepted
time: 135ms
memory: 27956kb

input:

100000
54861 12509
16932 42872
34657 39417
13373 37054
53410 71695
2271 28730
77047 80422
7187 34867
94140 69441
47384 90599
15092 60892
94502 35186
58059 98865
46037 92080
96465 56648
81008 245
86644 72226
35703 96730
7922 3613
97616 90536
41294 92557
22776 10335
74308 16656
86493 81735
91472 93048...

output:

12509 14816
42872 14816
34657 14816
37054 14816
53410 14816
28730 14816
77047 14816
7187 14816
94140 14816
47384 14816
60892 14816
35186 14816
98865 14816
46037 14816
96465 14816
245 14816
86644 14816
96730 14816
3613 14816
97616 14816
41294 14816
22776 14816
74308 14816
81735 14816
93048 14816
7645...

result:

ok AC

Test #58:

score: 0
Accepted
time: 0ms
memory: 6708kb

input:

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

output:

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

result:

ok AC

Test #59:

score: 0
Accepted
time: 124ms
memory: 27956kb

input:

100000
88390 1
1 51242
1 73844
73844 82993
69357 82993
82993 89153
89153 92016
36977 89153
75137 36977
82993 53533
97404 53533
49989 97404
67125 49989
53533 7006
7006 63635
60387 7006
59312 60387
24309 59312
26526 24309
24309 9985
9985 26403
60387 55203
55203 79993
79993 71230
71230 52071
52071 8306...

output:

88390 17933
51242 17933
1 17933
73844 17933
69357 17933
89153 17933
92016 50749
36977 50749
75137 17933
82993 17933
97404 17933
49989 50749
67125 17933
53533 17933
63635 17933
60387 17933
59312 50749
24309 17933
26526 50749
9985 50749
26403 17933
55203 50749
79993 17933
71230 50749
52071 17933
83065...

result:

ok AC

Test #60:

score: 0
Accepted
time: 119ms
memory: 31728kb

input:

100000
1 7264
7264 69649
85097 69649
29848 85097
29848 68683
68683 42523
15272 42523
97689 15272
97689 7996
30390 7996
54151 30390
22264 54151
22264 98123
98123 16751
27570 16751
9987 27570
9987 86950
86950 67445
67445 87275
8871 87275
8871 74967
74967 53362
53362 10217
10217 52404
45262 52404
45262...

output:

1 73476
69649 73476
85097 7264
29848 73476
68683 7264
42523 73476
15272 7264
97689 73476
7996 7264
30390 73476
54151 7264
22264 73476
98123 7264
16751 73476
27570 7264
9987 73476
86950 7264
67445 73476
87275 7264
8871 73476
74967 7264
53362 73476
10217 7264
52404 73476
45262 7264
72843 73476
86772 7...

result:

ok AC

Test #61:

score: 0
Accepted
time: 124ms
memory: 27844kb

input:

100000
3518 47523
14887 83452
31336 87320
47772 87482
71420 24559
99732 17539
45904 20872
52728 70439
38581 75203
18345 49294
7385 74056
95971 72826
48547 37020
61306 27212
53241 59530
32550 2892
5369 8488
4000 50453
45119 41435
5899 77096
19235 37917
75044 40239
44198 79848
23637 99807
40855 52471
...

output:

3518 45098
14887 45098
87320 45098
87482 45098
71420 45098
99732 45098
20872 45098
70439 45098
38581 45098
49294 45098
7385 45098
95971 45098
37020 45098
61306 45098
53241 74946
2892 45098
8488 45098
50453 45098
45119 45098
77096 74946
37917 45098
40239 74946
79848 74946
99807 45098
52471 45098
2456...

result:

ok AC

Test #62:

score: 0
Accepted
time: 115ms
memory: 31716kb

input:

100000
56405 1
56405 66063
66801 66063
66801 9845
9845 42911
42911 64818
67482 64818
35942 67482
35942 75546
75546 4505
4505 45628
45628 29159
29159 29378
83665 29378
83665 85205
85205 94326
78400 94326
91544 78400
92293 91544
95489 92293
20854 95489
20854 94810
91796 94810
91796 49331
49331 66242
9...

output:

56405 8284
66063 1
66801 8284
9845 1
42911 8284
64818 1
67482 8284
35942 1
75546 8284
4505 1
45628 8284
29159 1
29378 8284
83665 1
85205 8284
94326 1
78400 8284
91544 1
92293 8284
95489 1
20854 8284
94810 1
91796 8284
49331 1
66242 8284
9479 1
14120 8284
30274 1
82180 8284
62981 1
80630 8284
92767 1...

result:

ok AC

Test #63:

score: 0
Accepted
time: 138ms
memory: 31088kb

input:

100000
29993 41605
84963 10140
60237 62389
66780 93449
98439 1174
75487 87344
56945 1098
7281 10192
90231 22033
95031 94597
88728 56965
74791 64971
68584 15462
91264 43556
80943 25018
89575 23985
46970 91618
7237 89928
26433 7488
10258 93471
44420 34919
39007 60649
64537 14238
89107 56906
58805 7576...

output:

29993 77095
84963 66151
62389 66151
66780 77095
1174 77095
87344 66151
1098 66151
7281 77095
90231 66151
95031 66151
88728 77095
74791 66151
15462 66151
43556 77095
80943 66151
23985 77095
46970 66151
7237 77095
26433 66151
93471 66151
44420 66151
60649 66151
14238 66151
56906 66151
75769 77095
4863...

result:

ok AC

Test #64:

score: 0
Accepted
time: 121ms
memory: 27900kb

input:

100000
87758 1
87758 8566
8566 53230
53230 68035
45464 68035
43933 45464
7611 43933
7611 72530
72530 97898
97898 68231
2236 84498
71861 63091
76814 62314
24969 43571
98738 76356
71858 14301
12495 4041
49101 10912
83218 63817
60387 86854
59093 27607
35192 6135
76119 58917
15976 50822
5377 60508
39902...

output:

1 70781
87758 70781
8566 70781
53230 70781
68035 70781
45464 70781
43933 70781
7611 70781
72530 70781
97898 70781
84498 70781
71861 70781
76814 70781
43571 70781
76356 70781
14301 70781
4041 70781
49101 70781
63817 70781
86854 70781
59093 70781
35192 70781
76119 70781
50822 70781
5377 70781
39902 70...

result:

ok AC

Test #65:

score: 0
Accepted
time: 106ms
memory: 28148kb

input:

100000
49400 1
1 55311
78355 1
58471 1
25325 1
8216 1
19123 1
47311 1
1 87302
68137 1
1 98931
11168 1
1 42489
44803 1
25464 1
34243 1
63702 1
29572 1
14941 1
1 46103
1 54830
43707 1
57172 1
1 17538
75154 1
67663 1
1 6784
14487 1
45840 1
1 82849
1 77260
1 18850
1 7003
1 76083
16640 1
54748 1
46731 1
...

output:

49400 13474
55311 13474
78355 13474
58471 13474
25325 13474
8216 13474
19123 13474
47311 13474
87302 13474
68137 13474
98931 13474
11168 13474
42489 13474
44803 13474
25464 13474
34243 13474
63702 13474
29572 13474
14941 13474
46103 13474
54830 13474
43707 13474
57172 13474
17538 13474
75154 13474
6...

result:

ok AC

Test #66:

score: 0
Accepted
time: 131ms
memory: 27980kb

input:

100000
59098 1
88393 1
10097 1
1 27732
12542 1
1 74984
63414 1
1 68750
1 38087
65706 38087
46675 927
57918 60950
11844 60891
1200 51250
17750 31241
12177 66972
57772 85920
49826 92407
3739 18636
15328 31458
47706 69254
95722 85793
92734 12473
72338 65624
66312 27618
47426 68757
39713 32969
50029 618...

output:

59098 52994
88393 52994
10097 52994
27732 52994
12542 52994
74984 52994
63414 52994
68750 52994
1 52994
38087 52994
46675 52994
60950 52994
60891 52994
51250 52994
17750 52994
66972 52994
57772 52994
49826 52994
3739 52994
31458 52994
47706 52994
85793 52994
12473 52994
72338 52994
27618 52994
68757...

result:

ok AC

Test #67:

score: 0
Accepted
time: 0ms
memory: 9292kb

input:

5
2 1
1 3
4 1
5 4

output:

2 5
3 5
1 5
4 2

result:

ok AC

Test #68:

score: 0
Accepted
time: 2ms
memory: 9156kb

input:

5
4 1
3 1
5 1
5 2

output:

4 2
3 2
1 2
3 5

result:

ok AC

Test #69:

score: 0
Accepted
time: 2ms
memory: 9620kb

input:

5
5 1
3 1
1 2
2 4

output:

5 4
3 4
1 4
3 2

result:

ok AC