QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#870050#8613. Cardinalityucup-team3602#RE 940ms368924kbC++202.3kb2025-01-25 14:36:022025-01-25 14:36:12

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3456kb

input:

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

output:

2
2
3
3
4

result:

ok

Test #2:

score: 0
Accepted
time: 0ms
memory: 3712kb

input:

10 100
9 2
9 10
5 1
6 6
13 14
3 4
3 8
8 4
16 5
14 2
8 13
14 9
6 17
15 11
24 7
24 20
1 26
14 27
6 18
14 14
15 11
14 25
8 11
7 30
3 11
12 3
6 19
29 36
30 9
38 6
2 28
12 40
33 25
20 42
17 30
23 1
34 41
41 36
7 18
39 45
32 4
30 21
46 26
12 39
42 42
46 48
31 54
16 37
42 4
27 34
10 35
11 12
1 35
51 23
17 ...

output:

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

result:

ok

Test #3:

score: 0
Accepted
time: 1ms
memory: 3712kb

input:

100 100
82 51
68 54
25 11
21 47
84 43
78 91
1 88
29 50
10 62
38 29
100 65
23 4
77 10
29 7
59 39
56 81
73 3
113 10
49 25
59 103
20 40
42 55
46 87
9 26
30 43
70 97
7 12
2 54
41 68
82 60
129 69
86 82
85 38
105 71
81 58
59 36
76 111
10 68
108 19
46 31
127 60
35 120
79 125
138 21
14 10
64 72
140 127
126 ...

output:

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

result:

ok

Test #4:

score: 0
Accepted
time: 1ms
memory: 4224kb

input:

1000 1000
89 983
726 406
473 684
779 306
5 585
185 774
484 220
988 291
857 606
783 143
238 193
187 68
342 227
833 183
645 453
714 271
717 845
811 608
601 1013
101 716
563 790
500 449
962 863
255 787
236 837
560 412
788 681
487 992
311 884
389 251
199 927
942 1013
760 829
794 763
323 37
380 773
520 9...

output:

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

result:

ok

Test #5:

score: 0
Accepted
time: 12ms
memory: 8276kb

input:

1000 10000
609 422
750 225
479 328
513 581
935 302
164 982
913 807
716 785
888 102
867 698
397 957
743 229
35 252
222 697
614 421
442 266
748 44
698 740
556 746
748 637
259 372
752 867
503 605
483 380
586 608
977 584
603 335
347 202
514 622
343 167
700 845
370 673
597 499
314 38
647 976
784 644
721 ...

output:

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

result:

ok

Test #6:

score: 0
Accepted
time: 162ms
memory: 75424kb

input:

1000 100000
359 877
601 2
857 749
72 386
503 918
74 209
504 14
653 714
168 192
993 870
342 822
540 854
495 452
996 651
1005 932
898 279
105 83
778 924
517 326
326 16
747 863
73 501
190 386
211 416
330 72
857 269
543 485
344 637
111 611
449 942
426 739
585 459
100 269
1025 249
763 945
834 432
492 148...

output:

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

result:

ok

Test #7:

score: 0
Accepted
time: 380ms
memory: 166612kb

input:

1000 200000
769 45
350 115
462 826
361 748
422 502
757 529
131 165
525 252
5 610
58 557
894 966
867 661
699 337
508 118
248 715
307 307
814 382
957 825
302 694
22 761
146 621
149 929
553 337
428 844
429 371
355 740
889 726
1017 938
31 269
906 259
173 45
852 442
41 87
179 284
866 1033
115 130
757 192...

output:

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

result:

ok

Test #8:

score: 0
Accepted
time: 940ms
memory: 368924kb

input:

1000 500000
24 935
982 976
490 112
293 703
499 131
922 786
572 620
322 364
508 616
333 817
664 297
581 82
257 726
95 310
119 28
208 523
86 518
866 919
777 618
314 979
640 663
377 898
713 187
64 78
725 243
883 113
868 514
546 816
945 529
749 724
300 243
282 41
625 398
376 572
63 420
91 995
715 757
12...

output:

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

result:

ok

Test #9:

score: 0
Accepted
time: 280ms
memory: 105768kb

input:

10000 200000
7688 6283
9094 4308
3710 4803
6747 3889
4207 6061
2726 4542
8829 796
5675 7143
5638 863
245 5734
8825 5750
3987 8324
4975 5890
1970 7899
6849 4477
8086 4128
6329 4663
2284 2090
4982 2135
6163 5095
9030 9535
108 3964
1061 123
9528 6368
5864 6484
4099 7490
1920 9370
7465 708
3243 6206
630...

output:

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

result:

ok

Test #10:

score: 0
Accepted
time: 759ms
memory: 310084kb

input:

10000 500000
4238 1173
7415 9171
1036 3929
5665 6622
4280 3162
7301 6823
2154 445
9185 5840
4198 6413
9036 2268
3659 2967
5637 8316
5780 1226
5938 9093
9100 3838
6007 5413
3857 8879
4906 5397
2021 3341
4985 1707
5864 6741
3197 2603
4317 2856
8878 1328
4816 5476
5198 5055
7852 2466
8879 2727
3989 261...

output:

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

result:

ok

Test #11:

score: 0
Accepted
time: 238ms
memory: 110800kb

input:

50000 200000
24283 15305
35392 28314
13315 5349
10170 7781
42876 13753
34175 21569
11942 14204
1993 45946
11509 11900
10043 9558
14244 9734
4580 37268
16648 39526
19899 24112
44057 13366
47918 7636
389 40237
4394 36992
8894 8771
29697 9897
30621 4081
42771 15449
31622 35612
12973 30560
7681 19828
38...

output:

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

result:

ok

Test #12:

score: 0
Accepted
time: 371ms
memory: 155912kb

input:

50000 300000
11693 27473
4419 47627
11979 41885
20751 12734
30639 47169
41840 27300
7892 33220
4116 26228
30690 17518
23187 16309
21190 17458
15955 17074
34788 18568
42756 21077
11124 11398
42742 19740
46114 34720
7416 723
2170 34395
34295 41661
35876 21475
4521 38462
19581 26469
5173 25422
12836 30...

output:

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

result:

ok

Test #13:

score: 0
Accepted
time: 478ms
memory: 202556kb

input:

50000 400000
7615 31129
42049 21800
17248 30526
40947 17687
31150 28034
49912 33031
31316 4192
40159 3837
49783 13856
39932 23060
36612 39290
40200 46892
13105 21117
41015 17146
28206 15100
4698 31844
47743 23283
7496 6964
20400 31672
10539 23405
41128 38869
2119 11454
7539 45680
39912 28035
35727 2...

output:

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

result:

ok

Test #14:

score: 0
Accepted
time: 640ms
memory: 250740kb

input:

50000 500000
20834 43298
11076 9715
27013 17059
11139 32255
31661 48702
45825 13075
27265 21245
8363 34126
18957 29986
17987 29812
2024 38537
37049 13830
17993 13479
13860 14110
10319 18801
45870 14747
49372 17765
18024 31158
13677 32231
15137 19327
46387 6247
35566 4253
25986 34403
32112 7928
47585...

output:

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

result:

ok

Test #15:

score: -100
Runtime Error

input:

50000 500000
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42
43 44
45 46
47 48
49 50
51 52
53 54
55 56
57 58
59 60
61 62
63 64
65 66
67 68
69 70
71 72
73 74
75 76
77 78
79 80
81 82
83 84
85 86
87 88
89 90
91 92
93 94
95 96
97 98
99...

output:

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

result:
English 繁體中文 简体中文

Server Time: 2025-01-28 03:09:38 | OpenSource Project