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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#516099#6396. Puzzle: KusabiGuanYunchangAC ✓25ms17000kbC++203.5kb2024-08-12 13:42:032024-08-12 13:42:03

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 5984kb

input:

8
2 1 -
3 1 -
4 2 Tong
5 2 Tong
6 3 Duan
7 3 -
8 7 Chang

output:

YES
8 6
5 4

result:

ok Correct.

Test #2:

score: 0
Accepted
time: 1ms
memory: 5980kb

input:

10
2 1 Duan
3 2 Duan
4 2 -
5 4 Chang
6 2 Chang
7 1 Duan
8 6 Tong
9 6 Tong
10 3 Chang

output:

YES
9 8
10 3
2 6
5 7

result:

ok Correct.

Test #3:

score: 0
Accepted
time: 0ms
memory: 3724kb

input:

2
2 1 Tong

output:

NO

result:

ok Correct.

Test #4:

score: 0
Accepted
time: 25ms
memory: 8620kb

input:

100000
2 1 Duan
3 1 Duan
4 3 -
5 4 Duan
6 3 -
7 4 Duan
8 4 -
9 8 -
10 7 Duan
11 9 -
12 7 Duan
13 7 Duan
14 8 Duan
15 13 -
16 10 Duan
17 11 Duan
18 12 -
19 1 Duan
20 5 Duan
21 4 Duan
22 14 Duan
23 16 -
24 22 Duan
25 16 Duan
26 13 -
27 13 -
28 17 -
29 5 Duan
30 22 -
31 23 -
32 9 Duan
33 5 -
34 30 Duan...

output:

YES
78961 61327
79617 28763
40169 25684
49361 25045
60228 24156
97603 50185
72206 56901
41848 10579
76635 73900
73042 50152
47346 25325
91464 63312
91034 79886
53651 27084
10551 20428
36927 98200
80157 69283
78977 68167
33135 10332
87866 40003
10826 10300
83126 81993
61240 63025
51469 32742
33688 26...

result:

ok Correct.

Test #5:

score: 0
Accepted
time: 20ms
memory: 7464kb

input:

100000
2 1 -
3 2 -
4 3 -
5 4 -
6 4 -
7 6 -
8 7 -
9 5 -
10 9 -
11 10 -
12 6 -
13 12 -
14 11 -
15 9 -
16 14 -
17 16 -
18 10 -
19 15 -
20 13 -
21 20 -
22 17 -
23 22 -
24 22 Duan
25 11 -
26 12 -
27 20 -
28 18 -
29 28 -
30 16 -
31 28 -
32 30 -
33 31 -
34 28 -
35 34 -
36 35 -
37 22 -
38 34 -
39 38 -
40 35...

output:

YES
61365 54260
94528 66883
80746 52379
25539 57632
86270 70587
50931 10692
46315 46038
51215 3973
42355 40468
31649 28057
57657 73329
26291 66814
29098 21998
93763 45470
84353 54966
74078 41071
30942 25774
51936 59287
82007 9388
40293 8527
97856 57690
76507 67337
58992 76115
76631 90319
86905 51620...

result:

ok Correct.

Test #6:

score: 0
Accepted
time: 25ms
memory: 8248kb

input:

100000
2 1 -
3 2 -
4 3 Duan
5 4 Chang
6 5 Duan
7 6 Chang
8 7 Duan
9 8 Chang
10 9 Duan
11 10 Chang
12 11 Duan
13 12 Chang
14 12 Duan
15 14 Chang
16 15 Tong
17 15 Tong
18 17 Duan
19 18 Duan
20 19 Chang
21 18 Duan
22 21 Duan
23 18 Chang
24 21 -
25 24 Duan
26 25 Chang
27 26 Duan
28 27 Chang
29 26 Duan
3...

output:

YES
37 31
42 40
68 64
173 203
150 196
820 771
777 744
809 803
810 799
778 552
556 528
446 374
423 345
920 772
708 570
524 510
649 682
588 610
660 652
397 587
433 396
503 291
686 641
645 549
536 529
478 429
348 321
294 286
323 284
316 282
307 279
376 341
530 501
1160 1152
1757 1446
1685 1435
1428 141...

result:

ok Correct.

Test #7:

score: 0
Accepted
time: 22ms
memory: 8160kb

input:

100000
2 1 -
3 2 -
4 3 -
5 4 -
6 5 -
7 6 -
8 7 -
9 8 -
10 9 Duan
11 10 -
12 11 Chang
13 12 Duan
14 13 Chang
15 14 -
16 15 -
17 16 Duan
18 17 Chang
19 17 -
20 19 -
21 20 -
22 21 -
23 22 -
24 23 -
25 24 -
26 25 Duan
27 26 -
28 27 Duan
29 28 -
30 29 Chang
31 28 -
32 31 Chang
33 32 -
34 32 -
35 34 -
36 ...

output:

YES
131 126
185 174
216 197
189 173
181 163
160 151
144 138
199 169
218 207
255 223
290 287
262 260
359 291
545 489
362 372
468 320
315 306
286 279
247 244
660 603
809 758
902 784
762 708
751 786
746 779
775 663
763 756
716 658
675 589
686 648
566 591
613 582
655 621
711 643
579 562
628 560
690 577
...

result:

ok Correct.

Test #8:

score: 0
Accepted
time: 22ms
memory: 7664kb

input:

100000
2 1 -
3 2 -
4 3 -
5 4 -
6 5 Duan
7 6 -
8 7 -
9 8 -
10 9 Chang
11 10 -
12 11 Duan
13 12 Chang
14 13 -
15 14 Duan
16 15 Chang
17 16 -
18 17 -
19 18 Duan
20 19 -
21 20 -
22 21 -
23 22 Chang
24 23 -
25 24 Duan
26 25 -
27 26 Chang
28 27 -
29 28 -
30 29 -
31 30 Duan
32 31 -
33 32 -
34 33 -
35 34 -
...

output:

YES
161 155
251 249
292 277
430 424
381 368
383 353
386 380
429 422
493 490
532 528
545 526
551 534
540 531
556 555
665 661
642 641
650 639
646 638
624 622
625 621
614 612
630 627
615 629
598 609
706 700
725 718
820 786
875 873
852 835
909 903
865 857
866 850
813 802
810 801
772 770
698 696
780 694
...

result:

ok Correct.

Test #9:

score: 0
Accepted
time: 21ms
memory: 8632kb

input:

100000
2 1 -
3 2 -
4 3 -
5 4 -
6 5 Duan
7 6 -
8 7 -
9 8 Chang
10 9 -
11 10 Duan
12 11 -
13 12 Chang
14 13 Duan
15 14 -
16 15 Chang
17 16 -
18 17 Duan
19 18 -
20 19 Chang
21 20 Duan
22 21 Chang
23 22 -
24 23 Duan
25 24 Chang
26 25 Duan
27 26 -
28 27 -
29 28 Chang
30 29 Duan
31 30 Chang
32 31 -
33 32 ...

output:

YES
308 306
357 356
453 450
556 554
552 549
548 547
570 568
569 567
682 676
672 671
738 737
735 728
805 801
806 794
793 791
910 908
922 914
952 946
1004 991
1016 1011
1024 1014
1164 1156
1160 1153
1155 1151
1147 1140
1102 1097
1095 1094
1093 1089
1076 1075
1123 1122
1129 1125
1135 1134
1157 1154
114...

result:

ok Correct.

Test #10:

score: 0
Accepted
time: 17ms
memory: 9828kb

input:

100000
2 1 -
3 2 -
4 3 -
5 4 -
6 5 -
7 6 -
8 7 -
9 8 -
10 9 -
11 10 -
12 11 -
13 12 -
14 13 -
15 14 -
16 15 -
17 16 -
18 17 -
19 18 -
20 19 -
21 20 -
22 21 -
23 22 -
24 23 -
25 24 -
26 25 -
27 26 -
28 27 -
29 28 -
30 29 -
31 30 -
32 31 -
33 32 -
34 33 -
35 34 -
36 35 -
37 36 -
38 37 -
39 38 -
40 39 ...

output:

YES
4774 4758
12004 11802
12878 12701
14403 14425
15175 15095
16272 16218
15813 15803
16111 15960
17703 17698
18828 18616
20553 20479
22767 22709
25371 24981
24571 23807
23781 23319
28616 28570
27425 26536
29756 29047
30157 29822
29413 29383
35551 35528
34909 34775
34774 33210
33101 33062
39883 3924...

result:

ok Correct.

Test #11:

score: 0
Accepted
time: 22ms
memory: 7400kb

input:

100000
2 1 -
3 1 -
4 2 -
5 1 -
6 1 -
7 2 Duan
8 4 -
9 1 -
10 1 -
11 2 -
12 2 -
13 2 -
14 6 -
15 1 -
16 6 -
17 1 -
18 5 -
19 1 -
20 1 -
21 2 -
22 8 -
23 6 -
24 1 -
25 4 Duan
26 1 -
27 10 -
28 1 -
29 8 -
30 5 -
31 7 -
32 2 -
33 3 -
34 12 -
35 3 -
36 1 -
37 12 -
38 8 -
39 8 -
40 1 -
41 4 -
42 16 -
43 8...

output:

YES
71252 68260
93199 72829
59385 11262
7114 56366
21981 56413
85882 88219
69070 70420
70961 46636
70919 24045
53558 8534
51312 6776
47483 14730
66745 8121
42970 14466
66071 3305
86329 37873
85723 12867
39119 31531
82602 56430
87213 24828
40456 67836
99956 34098
87387 17961
91017 87569
73357 68937
6...

result:

ok Correct.

Test #12:

score: 0
Accepted
time: 15ms
memory: 8672kb

input:

100000
2 1 -
3 1 -
4 1 -
5 1 -
6 1 -
7 1 -
8 1 -
9 1 -
10 3 -
11 1 -
12 2 -
13 2 -
14 2 -
15 1 -
16 2 -
17 2 -
18 1 -
19 1 -
20 1 -
21 2 -
22 1 -
23 2 -
24 2 -
25 1 -
26 1 -
27 4 -
28 1 -
29 2 -
30 3 -
31 1 -
32 10 -
33 6 -
34 4 -
35 1 -
36 2 Duan
37 1 -
38 4 -
39 10 -
40 1 -
41 1 -
42 3 -
43 6 -
44...

output:

YES
89903 67589
25532 2731
68594 39272
84767 81476
71809 60781
45615 98218
13863 9592
41771 38360
67278 32307
98634 46144
70045 36895
90229 56597
87249 21515
44881 7445
99328 70645
44757 12870
70229 15488
38942 68314
31755 361
62803 53849
74966 72268
42791 38644
39590 69049
60607 31128
68719 24390
7...

result:

ok Correct.

Test #13:

score: 0
Accepted
time: 24ms
memory: 7620kb

input:

100000
2 1 Duan
3 1 Duan
4 1 Duan
5 1 Duan
6 1 Duan
7 1 -
8 1 Duan
9 1 Duan
10 1 -
11 1 Duan
12 1 -
13 1 Duan
14 1 Duan
15 1 Duan
16 1 Duan
17 1 Duan
18 2 -
19 1 Duan
20 1 Duan
21 2 -
22 2 Duan
23 1 Duan
24 1 Duan
25 1 Duan
26 1 Duan
27 2 Duan
28 1 Duan
29 2 Duan
30 1 Duan
31 2 Duan
32 1 -
33 1 Duan...

output:

YES
14629 99565
58177 8043
77249 8022
99568 7886
97191 7106
79782 6452
98265 6438
73953 52710
6320 76068
84889 5888
81286 5812
65693 41217
97669 5668
65081 5312
92388 77289
74586 71711
89733 5206
4798 79262
99789 4777
98851 84855
79617 72776
67208 4736
96692 91965
58017 4470
93682 82143
99395 98993
...

result:

ok Correct.

Test #14:

score: 0
Accepted
time: 19ms
memory: 7500kb

input:

100000
2 1 -
3 1 -
4 1 -
5 1 -
6 1 -
7 1 -
8 1 -
9 1 -
10 1 -
11 1 -
12 1 -
13 1 Duan
14 1 -
15 1 -
16 1 -
17 1 -
18 1 -
19 1 -
20 1 -
21 1 -
22 1 -
23 1 -
24 1 -
25 1 -
26 1 -
27 1 -
28 1 -
29 1 Duan
30 1 -
31 1 -
32 2 Duan
33 1 -
34 1 -
35 1 Duan
36 1 -
37 1 -
38 1 -
39 1 -
40 1 -
41 1 -
42 1 -
43...

output:

YES
85599 3382
95392 3013
81526 79392
90600 76883
47562 2266
92236 67095
82645 2087
94655 86680
83294 83119
98104 53700
59880 1891
94429 84824
38939 1867
86276 72196
74866 1851
73841 1832
82555 75982
52187 33013
84502 60149
94488 90018
89910 77895
1798 87531
62543 1780
50707 45755
96747 63884
96811 ...

result:

ok Correct.

Test #15:

score: 0
Accepted
time: 18ms
memory: 7412kb

input:

100000
2 1 Duan
3 1 -
4 1 -
5 1 Duan
6 1 -
7 1 -
8 1 -
9 1 -
10 1 -
11 1 -
12 1 -
13 1 -
14 1 -
15 1 -
16 1 -
17 1 -
18 1 -
19 1 -
20 1 -
21 1 -
22 1 -
23 1 -
24 1 -
25 1 -
26 1 -
27 1 -
28 1 -
29 1 -
30 1 -
31 1 -
32 1 -
33 1 Duan
34 1 -
35 1 -
36 1 -
37 1 -
38 1 -
39 1 -
40 1 -
41 1 -
42 1 -
43 1 ...

output:

YES
93600 1484
65492 1226
80577 54647
98136 87425
92548 1057
95875 90647
91502 88522
65449 864
78454 63757
57780 863
91133 79380
90975 859
94837 81087
93397 69230
63165 847
88299 841
96200 91139
83594 61658
81529 67080
96779 96324
99215 74882
99293 99183
87893 56495
78381 778
81594 44807
82056 767
8...

result:

ok Correct.

Test #16:

score: 0
Accepted
time: 21ms
memory: 8352kb

input:

100000
2 1 Duan
3 1 Duan
4 1 -
5 1 Duan
6 1 -
7 1 Duan
8 1 Duan
9 1 Duan
10 1 Duan
11 1 -
12 1 -
13 1 -
14 1 Duan
15 1 Duan
16 1 Duan
17 1 -
18 1 Duan
19 1 Duan
20 1 Duan
21 1 -
22 1 -
23 1 Duan
24 1 Duan
25 1 Duan
26 1 -
27 1 -
28 1 Duan
29 1 Duan
30 1 -
31 1 Duan
32 1 Duan
33 1 -
34 1 Duan
35 1 -
...

output:

YES
83464 705
95111 622
99954 575
92518 91152
99688 93861
92449 531
71582 528
66385 524
91774 518
96388 95679
95051 502
68161 495
92051 491
79514 71560
91617 486
92920 466
456 94768
86414 82066
71375 69375
94412 455
451 96222
92101 86461
99900 97252
86105 437
78526 436
90094 65746
93000 82699
84619 ...

result:

ok Correct.

Test #17:

score: 0
Accepted
time: 16ms
memory: 8608kb

input:

100000
2 1 -
3 1 -
4 2 -
5 2 -
6 2 Duan
7 3 -
8 1 -
9 1 -
10 6 -
11 3 -
12 2 -
13 7 -
14 1 -
15 9 -
16 11 -
17 13 -
18 9 -
19 16 -
20 19 -
21 8 -
22 5 -
23 14 -
24 21 -
25 21 -
26 16 -
27 5 -
28 5 -
29 19 -
30 8 -
31 24 -
32 30 -
33 12 Duan
34 9 -
35 12 Duan
36 6 -
37 15 -
38 26 -
39 29 -
40 13 -
41...

output:

NO

result:

ok Correct.

Test #18:

score: 0
Accepted
time: 15ms
memory: 7308kb

input:

100000
2 1 Duan
3 2 Duan
4 3 -
5 3 Duan
6 4 -
7 4 Duan
8 3 Duan
9 2 -
10 4 Duan
11 8 Duan
12 6 -
13 3 Duan
14 6 Duan
15 7 Duan
16 6 Duan
17 14 Tong
18 7 -
19 16 Duan
20 14 Duan
21 12 Duan
22 20 Duan
23 14 Duan
24 19 -
25 2 Duan
26 22 -
27 24 Duan
28 8 Duan
29 4 Duan
30 23 Duan
31 24 Duan
32 23 Duan
...

output:

NO

result:

ok Correct.

Test #19:

score: 0
Accepted
time: 7ms
memory: 7288kb

input:

100000
2 1 -
3 2 -
4 3 -
5 4 -
6 5 -
7 4 -
8 7 -
9 8 -
10 9 -
11 10 Duan
12 9 -
13 12 -
14 12 -
15 10 -
16 8 -
17 13 -
18 10 -
19 14 -
20 13 -
21 19 -
22 19 Duan
23 11 -
24 23 Duan
25 23 -
26 5 -
27 22 -
28 22 Duan
29 17 -
30 29 -
31 29 -
32 17 -
33 27 -
34 33 Duan
35 31 -
36 24 -
37 34 -
38 37 -
39...

output:

NO

result:

ok Correct.

Test #20:

score: 0
Accepted
time: 10ms
memory: 8028kb

input:

100000
2 1 Duan
3 2 Chang
4 3 -
5 4 -
6 5 -
7 6 Duan
8 7 -
9 8 Chang
10 9 Duan
11 10 Chang
12 11 -
13 12 Duan
14 13 Chang
15 13 -
16 15 -
17 15 -
18 15 Duan
19 18 -
20 19 Duan
21 19 Chang
22 20 -
23 22 -
24 21 Duan
25 23 -
26 22 -
27 25 Chang
28 26 -
29 28 Duan
30 24 Chang
31 28 -
32 23 -
33 28 -
34...

output:

NO

result:

ok Correct.

Test #21:

score: 0
Accepted
time: 7ms
memory: 8976kb

input:

100000
2 1 Duan
3 2 Chang
4 3 -
5 4 -
6 5 Duan
7 6 -
8 7 -
9 8 Chang
10 9 Duan
11 10 Chang
12 11 Duan
13 12 Chang
14 12 -
15 14 -
16 15 Duan
17 16 Chang
18 17 -
19 17 Duan
20 19 -
21 19 Chang
22 21 -
23 21 Duan
24 23 Duan
25 24 Chang
26 24 Chang
27 24 Duan
28 27 -
29 28 Chang
30 28 Duan
31 30 -
32 3...

output:

NO

result:

ok Correct.

Test #22:

score: 0
Accepted
time: 9ms
memory: 8092kb

input:

100000
2 1 Duan
3 2 Chang
4 3 Duan
5 4 -
6 5 Chang
7 6 -
8 7 Duan
9 8 -
10 9 Chang
11 10 Duan
12 11 Chang
13 12 -
14 13 Duan
15 14 -
16 15 Chang
17 16 -
18 17 Duan
19 18 -
20 19 -
21 20 -
22 21 Chang
23 22 -
24 23 Duan
25 24 Chang
26 25 -
27 26 Duan
28 27 -
29 28 Chang
30 28 Duan
31 30 -
32 31 Chang...

output:

NO

result:

ok Correct.

Test #23:

score: 0
Accepted
time: 17ms
memory: 7628kb

input:

100000
2 1 Duan
3 2 -
4 3 -
5 4 -
6 5 -
7 6 -
8 7 -
9 8 -
10 9 -
11 10 -
12 11 Chang
13 12 Duan
14 13 -
15 14 -
16 15 Chang
17 16 Duan
18 17 Chang
19 18 -
20 19 -
21 20 -
22 21 -
23 22 -
24 23 -
25 24 -
26 25 Duan
27 26 -
28 27 -
29 28 -
30 29 -
31 30 -
32 31 -
33 32 -
34 33 Chang
35 34 -
36 35 -
37...

output:

NO

result:

ok Correct.

Test #24:

score: 0
Accepted
time: 10ms
memory: 6780kb

input:

100000
2 1 -
3 2 -
4 3 -
5 4 -
6 5 Duan
7 6 -
8 7 Chang
9 8 -
10 9 -
11 10 -
12 11 -
13 12 -
14 13 Duan
15 14 -
16 15 Chang
17 16 -
18 17 -
19 18 -
20 19 Duan
21 20 -
22 21 -
23 22 -
24 23 Chang
25 24 -
26 25 Duan
27 26 Chang
28 27 Duan
29 28 -
30 29 -
31 30 -
32 31 Chang
33 32 Duan
34 33 -
35 34 -
...

output:

NO

result:

ok Correct.

Test #25:

score: 0
Accepted
time: 17ms
memory: 7384kb

input:

100000
2 1 Duan
3 1 -
4 1 -
5 1 -
6 3 -
7 2 -
8 2 -
9 4 -
10 1 -
11 2 -
12 3 Duan
13 2 -
14 4 -
15 3 -
16 3 -
17 2 -
18 2 -
19 1 -
20 7 Duan
21 1 -
22 15 -
23 6 -
24 1 -
25 8 -
26 11 -
27 5 -
28 16 -
29 17 -
30 16 -
31 3 -
32 7 -
33 3 Duan
34 7 Duan
35 3 -
36 8 -
37 6 -
38 16 -
39 3 -
40 3 -
41 11 -...

output:

NO

result:

ok Correct.

Test #26:

score: 0
Accepted
time: 16ms
memory: 7364kb

input:

100000
2 1 -
3 1 -
4 1 -
5 1 -
6 1 -
7 1 Duan
8 1 -
9 1 -
10 1 -
11 3 -
12 2 -
13 1 -
14 1 -
15 1 -
16 2 -
17 1 Duan
18 3 -
19 1 -
20 1 Duan
21 8 -
22 2 -
23 3 -
24 3 Duan
25 1 -
26 1 -
27 1 -
28 1 -
29 4 -
30 1 -
31 3 -
32 3 -
33 3 -
34 2 -
35 1 -
36 1 Duan
37 1 -
38 3 -
39 2 -
40 4 -
41 2 Duan
42 ...

output:

NO

result:

ok Correct.

Test #27:

score: 0
Accepted
time: 19ms
memory: 8532kb

input:

100000
2 1 Duan
3 1 Duan
4 1 Duan
5 1 Duan
6 1 Duan
7 1 Duan
8 1 Duan
9 1 Duan
10 1 Duan
11 1 Duan
12 1 Duan
13 1 Duan
14 2 Duan
15 1 Duan
16 1 Duan
17 1 Duan
18 2 Duan
19 1 Duan
20 1 -
21 1 Duan
22 1 Duan
23 1 Duan
24 1 Duan
25 1 Duan
26 1 Duan
27 2 Duan
28 1 Duan
29 1 Duan
30 1 -
31 1 Duan
32 1 Du...

output:

NO

result:

ok Correct.

Test #28:

score: 0
Accepted
time: 18ms
memory: 7480kb

input:

100000
2 1 -
3 1 Duan
4 1 -
5 1 -
6 1 -
7 1 Duan
8 1 -
9 1 Duan
10 1 -
11 1 Duan
12 1 Duan
13 1 Duan
14 1 Duan
15 1 Duan
16 1 -
17 1 Duan
18 1 Duan
19 1 Duan
20 1 Duan
21 1 -
22 1 -
23 1 Duan
24 1 -
25 1 Duan
26 1 Duan
27 1 Duan
28 1 Duan
29 1 Duan
30 1 Duan
31 1 Duan
32 1 -
33 1 -
34 1 Duan
35 1 Du...

output:

NO

result:

ok Correct.

Test #29:

score: 0
Accepted
time: 20ms
memory: 8304kb

input:

100000
2 1 Duan
3 1 Duan
4 1 Duan
5 1 Duan
6 1 Duan
7 1 Duan
8 1 -
9 1 Duan
10 1 Duan
11 1 Duan
12 1 -
13 1 Duan
14 1 Duan
15 1 Duan
16 1 Duan
17 1 Duan
18 1 Duan
19 1 Duan
20 1 -
21 1 -
22 1 Duan
23 1 -
24 1 Duan
25 1 Duan
26 1 Duan
27 1 Duan
28 1 Duan
29 1 Duan
30 1 Duan
31 1 Duan
32 1 Duan
33 1 -...

output:

NO

result:

ok Correct.

Test #30:

score: 0
Accepted
time: 20ms
memory: 8460kb

input:

100000
2 1 Duan
3 1 -
4 1 Duan
5 1 Duan
6 1 Duan
7 1 Duan
8 1 Duan
9 1 Duan
10 1 Duan
11 1 Duan
12 1 Duan
13 1 Duan
14 1 Duan
15 1 Duan
16 1 Duan
17 1 Duan
18 1 Duan
19 1 -
20 1 Duan
21 1 Duan
22 1 Duan
23 1 Duan
24 1 Duan
25 1 Duan
26 1 Duan
27 1 Duan
28 1 -
29 1 Duan
30 1 Duan
31 1 Duan
32 1 -
33 ...

output:

NO

result:

ok Correct.

Test #31:

score: 0
Accepted
time: 20ms
memory: 17000kb

input:

100000
2 1 Duan
3 2 -
4 3 Chang
5 4 -
6 5 Duan
7 6 Chang
8 7 -
9 8 -
10 9 Duan
11 10 Chang
12 11 Duan
13 12 Chang
14 13 Duan
15 14 Chang
16 15 -
17 16 -
18 17 -
19 18 Duan
20 19 -
21 20 -
22 21 Chang
23 22 Duan
24 23 Chang
25 24 -
26 25 Duan
27 26 Chang
28 27 Duan
29 28 -
30 29 Chang
31 30 Duan
32 3...

output:

YES
38669 38668
43574 43573
44576 44575
44897 44896
47955 47954
48087 48086
51732 51731
52699 52698
53053 53051
53844 53843
54080 54079
55170 55169
56248 56247
56591 56590
57029 57028
57090 57089
57209 57208
57206 57205
57692 57691
57809 57806
58262 58261
58319 58318
59077 59076
59130 59134
59428 59...

result:

ok Correct.

Test #32:

score: 0
Accepted
time: 15ms
memory: 8936kb

input:

100000
2 1 Duan
3 1 -
4 1 -
5 1 -
6 1 -
7 1 -
8 1 -
9 1 -
10 1 -
11 1 -
12 1 Tong
13 1 -
14 1 -
15 1 -
16 1 Tong
17 1 -
18 1 -
19 1 -
20 1 -
21 1 -
22 1 Tong
23 1 -
24 1 -
25 1 -
26 1 -
27 1 -
28 1 -
29 1 -
30 1 -
31 1 -
32 1 -
33 1 -
34 1 -
35 1 -
36 1 -
37 1 -
38 1 Tong
39 1 -
40 1 -
41 1 -
42 1 -...

output:

YES
92627 90226
98157 80552
99736 96463
94233 92271
89806 89512
86996 86460
86134 85511
67953 66335
71357 81710
80845 79593
77025 74512
73891 73888
72862 81856
69427 65770
64372 60624
56615 55714
48609 88314
97391 95440
93512 92584
92085 91747
89757 89327
99860 87691
85698 85374
85318 83893
82419 82...

result:

ok Correct.

Test #33:

score: 0
Accepted
time: 18ms
memory: 9200kb

input:

93284
2 1 -
3 1 Duan
4 2 -
5 4 -
6 2 -
7 4 Duan
8 1 -
9 4 -
10 4 Duan
11 6 -
12 7 -
13 6 -
14 1 Duan
15 4 -
16 9 -
17 12 -
18 15 -
19 6 Duan
20 1 -
21 15 -
22 2 -
23 5 Duan
24 7 -
25 22 -
26 13 -
27 12 -
28 6 -
29 27 Duan
30 7 Duan
31 9 -
32 14 -
33 3 -
34 21 -
35 18 -
36 35 -
37 7 -
38 17 Duan
39 2...

output:

YES
74513 20816
81879 66130
89777 35338
73761 62475
71335 37702
23517 33453
56223 15222
91225 86688
29499 7805
58463 86109
24560 41026
47941 5910
44357 15686
70706 20522
22815 9149
66681 46379
81135 71082
24083 47858
85674 46291
79873 75184
73465 87023
41087 33095
56514 9719
3487 53207
82993 58715
7...

result:

ok Correct.

Test #34:

score: 0
Accepted
time: 24ms
memory: 8968kb

input:

92284
2 1 Duan
3 2 -
4 3 Duan
5 2 Duan
6 3 -
7 4 Duan
8 6 Duan
9 4 Duan
10 6 Duan
11 4 Duan
12 8 Chang
13 1 Duan
14 5 Duan
15 5 -
16 15 Duan
17 15 Duan
18 13 Chang
19 12 Duan
20 4 -
21 1 Duan
22 17 Duan
23 2 Duan
24 14 Duan
25 17 Duan
26 22 Duan
27 4 -
28 26 Duan
29 9 Duan
30 15 Duan
31 3 Duan
32 7 ...

output:

YES
72399 59373
64277 59795
76031 62511
62495 48883
59778 39444
86492 16425
49780 13682
65245 46706
57764 46022
12089 12085
91021 12688
66749 41203
40403 17794
90300 62095
62751 58704
40542 35611
22903 19440
77274 71273
72403 27633
47603 27548
44456 44368
41743 16807
24344 12412
61518 41680
61610 52...

result:

ok Correct.

Test #35:

score: 0
Accepted
time: 14ms
memory: 7992kb

input:

93444
2 1 -
3 1 Duan
4 1 Duan
5 2 -
6 4 -
7 3 -
8 6 Duan
9 6 Duan
10 9 -
11 2 -
12 1 -
13 11 -
14 5 -
15 14 Duan
16 11 -
17 16 -
18 4 -
19 7 Duan
20 15 -
21 17 -
22 21 -
23 20 -
24 23 Duan
25 7 -
26 14 Duan
27 18 -
28 13 Duan
29 2 Duan
30 19 Duan
31 5 -
32 7 Duan
33 23 Duan
34 17 Duan
35 2 Duan
36 2...

output:

YES
18291 36095
58464 42330
65585 59400
28016 1955
74817 40901
53918 89642
63353 4623
84984 82334
61350 57215
68628 54608
89498 6183
51738 50593
59238 36029
62682 78448
76817 8962
77371 53894
72379 36051
32196 25512
61507 15907
17172 57517
14874 24983
45334 79759
7489 4252
61241 58719
47115 40373
20...

result:

ok Correct.

Test #36:

score: 0
Accepted
time: 25ms
memory: 8992kb

input:

98244
2 1 Duan
3 1 Duan
4 3 Duan
5 4 Duan
6 4 Duan
7 4 Duan
8 5 Duan
9 8 Duan
10 5 Duan
11 9 Duan
12 3 Duan
13 11 Tong
14 5 Duan
15 5 Duan
16 12 Duan
17 2 Duan
18 3 Duan
19 4 Duan
20 2 Duan
21 6 Duan
22 21 Duan
23 1 -
24 15 -
25 20 Duan
26 8 Duan
27 13 Duan
28 12 Duan
29 22 Duan
30 24 Duan
31 21 Dua...

output:

YES
31567 39340
95866 13251
95270 63302
92175 54023
48934 93485
59312 24639
26380 21809
59491 39929
50304 93197
74962 37132
50798 32873
89682 3734
10918 68142
77790 61493
13569 2062
89860 44405
3203 61508
69831 52369
49035 43739
38807 28930
75766 66372
86527 39400
3875 26746
27472 15465
26723 1690
1...

result:

ok Correct.

Test #37:

score: 0
Accepted
time: 6ms
memory: 6392kb

input:

25284
2 1 Duan
3 2 -
4 3 -
5 3 Duan
6 2 Duan
7 3 Duan
8 1 Duan
9 5 -
10 4 -
11 5 Duan
12 4 Duan
13 1 Duan
14 4 -
15 10 Duan
16 8 -
17 13 -
18 15 -
19 12 -
20 16 Duan
21 6 Duan
22 2 Duan
23 19 -
24 12 -
25 2 -
26 19 Duan
27 5 -
28 4 -
29 9 -
30 12 Duan
31 7 Duan
32 31 -
33 21 -
34 24 Duan
35 28 Duan
...

output:

YES
21135 14626
14096 13835
23638 4428
21260 14395
14359 8988
12572 18822
20771 1866
15210 24821
23534 7235
16843 1084
22081 18384
23584 9125
17968 7918
24718 16796
23519 8913
23223 3762
17039 1868
15456 7940
6852 2957
16581 14498
9470 19923
1916 9699
17156 18582
1797 6193
13962 8613
18684 3543
737 ...

result:

ok Correct.

Test #38:

score: 0
Accepted
time: 18ms
memory: 8532kb

input:

93246
2 1 Duan
3 2 Duan
4 3 Duan
5 1 -
6 4 Tong
7 4 Duan
8 4 Duan
9 8 -
10 6 Duan
11 2 Duan
12 1 Duan
13 11 Duan
14 8 Duan
15 1 Duan
16 8 Duan
17 10 Duan
18 3 Duan
19 1 Duan
20 18 Duan
21 10 Duan
22 14 Duan
23 11 Duan
24 19 Duan
25 21 Duan
26 17 Duan
27 24 Duan
28 24 Duan
29 17 Tong
30 23 Duan
31 17...

output:

YES
89030 81889
44827 92357
92091 18804
88411 71114
41235 19189
26335 88624
92987 34183
37071 13889
7117 5382
63386 9021
70522 26290
74182 44641
63647 36015
91664 90356
62270 48141
68439 32796
71774 29179
76068 92998
62275 27623
86091 19705
11009 89771
8510 4652
64403 3815
40253 9990
62617 1699
8489...

result:

ok Correct.

Test #39:

score: 0
Accepted
time: 20ms
memory: 9252kb

input:

99837
2 1 -
3 1 -
4 3 Duan
5 2 Duan
6 5 Duan
7 3 Duan
8 5 -
9 6 Duan
10 4 -
11 4 -
12 6 Duan
13 8 -
14 7 -
15 10 Duan
16 11 Duan
17 8 Duan
18 6 -
19 13 Duan
20 16 Duan
21 20 -
22 19 Chang
23 4 Duan
24 13 Duan
25 21 -
26 17 Duan
27 7 Duan
28 8 -
29 3 -
30 18 -
31 21 Duan
32 27 Duan
33 21 Duan
34 17 -...

output:

YES
92676 10410
64479 39274
94138 78859
30205 21274
30056 8785
37886 83693
88306 73635
28522 11691
57401 30919
64681 38138
93491 9496
63118 51332
66215 28452
92328 51297
94426 23727
77931 74562
42129 34253
48303 23327
79346 51081
10299 74255
78121 69759
16245 96354
90972 84360
95214 62165
10872 1788...

result:

ok Correct.

Test #40:

score: 0
Accepted
time: 24ms
memory: 7496kb

input:

91248
2 1 Duan
3 1 Duan
4 1 Duan
5 2 Duan
6 3 Duan
7 3 Chang
8 2 Duan
9 1 Duan
10 7 Duan
11 10 Duan
12 4 Duan
13 2 Duan
14 11 Duan
15 6 Duan
16 8 Duan
17 7 Duan
18 2 Duan
19 15 Duan
20 4 Duan
21 7 Duan
22 6 Duan
23 6 Duan
24 20 Duan
25 13 Duan
26 22 Duan
27 5 Duan
28 19 Duan
29 14 Duan
30 12 -
31 8 ...

output:

YES
84342 88470
84352 76377
63352 45791
88200 50883
44680 18535
47797 31347
50617 12022
66762 6719
67174 5130
89212 77457
66802 59725
69332 46630
90420 56151
44293 80259
74573 50828
68733 46329
53256 19496
32591 15888
48424 6154
27747 25680
81109 25066
5287 89180
54094 10884
31562 32892
2675 2581
87...

result:

ok Correct.

Test #41:

score: 0
Accepted
time: 22ms
memory: 8352kb

input:

93538
2 1 -
3 2 -
4 2 -
5 3 Duan
6 4 -
7 4 -
8 2 -
9 1 -
10 7 -
11 4 Duan
12 8 -
13 9 -
14 1 Duan
15 7 Duan
16 3 -
17 5 -
18 14 Duan
19 5 -
20 7 -
21 15 Duan
22 9 -
23 8 -
24 16 Duan
25 5 Duan
26 6 Duan
27 10 -
28 7 -
29 21 Duan
30 1 -
31 18 -
32 13 -
33 6 -
34 28 -
35 16 Duan
36 32 Duan
37 22 -
38 ...

output:

YES
78212 71885
37718 6100
49527 40991
92012 80389
81271 68659
43095 62371
79642 41814
73661 57857
24540 48483
52557 16398
56423 41232
54473 3709
48165 78939
74690 74318
68804 61871
24274 24101
70628 64890
84790 41770
53698 40451
42520 39635
91102 25034
90535 39256
77572 58422
91112 11894
16393 7240...

result:

ok Correct.

Test #42:

score: 0
Accepted
time: 19ms
memory: 8548kb

input:

92384
2 1 Duan
3 2 -
4 3 Duan
5 3 Duan
6 3 -
7 2 Duan
8 1 -
9 7 Duan
10 5 Chang
11 4 -
12 3 Duan
13 7 -
14 9 Duan
15 14 Chang
16 3 Duan
17 6 Duan
18 10 Duan
19 17 Duan
20 10 -
21 2 Duan
22 10 -
23 5 Duan
24 18 -
25 11 -
26 13 Duan
27 12 Duan
28 1 -
29 18 Duan
30 28 Duan
31 28 -
32 16 -
33 27 Duan
34...

output:

YES
65469 52483
66814 39644
11062 44726
9868 79880
59560 37247
88171 77144
76272 24217
85792 61782
80279 57105
68289 37735
58829 31363
44877 26773
91292 18959
43740 70419
7777 15239
9911 90532
90866 31792
48350 63278
57214 12673
78633 33091
87915 72507
71152 37461
55042 52979
72909 64528
44823 41920...

result:

ok Correct.

Test #43:

score: 0
Accepted
time: 0ms
memory: 3860kb

input:

1

output:

YES

result:

ok Correct.