QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#281947#4989. Berry Battleucup-team881AC ✓124ms35792kbC++141.4kb2023-12-11 06:44:172023-12-11 06:44:17

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 3ms
memory: 13252kb

input:

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

output:

YES
3 2 7 10 1 5 6 8 4 9 

result:

ok 

Test #2:

score: 0
Accepted
time: 2ms
memory: 11872kb

input:

3
1 2
2 3

output:

NO

result:

ok 

Test #3:

score: 0
Accepted
time: 0ms
memory: 11528kb

input:

3
1 3
3 2

output:

NO

result:

ok 

Test #4:

score: 0
Accepted
time: 2ms
memory: 11288kb

input:

4
2 4
4 1
3 4

output:

NO

result:

ok 

Test #5:

score: 0
Accepted
time: 2ms
memory: 13896kb

input:

5
5 3
2 1
4 5
3 1

output:

YES
3 1 5 4 2 

result:

ok 

Test #6:

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

input:

6
1 2
6 5
5 2
3 4
4 2

output:

YES
2 1 5 6 4 3 

result:

ok 

Test #7:

score: 0
Accepted
time: 0ms
memory: 14552kb

input:

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

output:

YES
6 4 10 9 8 2 1 7 5 3 

result:

ok 

Test #8:

score: 0
Accepted
time: 2ms
memory: 13976kb

input:

100
42 8
32 6
92 57
47 76
69 34
24 20
61 57
22 10
18 26
89 64
13 76
38 34
23 34
54 69
88 26
66 95
34 2
93 80
77 56
96 10
44 91
86 1
90 26
19 56
30 10
4 30
45 6
8 34
17 37
97 73
67 19
58 65
75 74
39 20
57 71
53 45
25 90
51 1
79 22
55 54
15 76
74 11
70 2
95 34
60 25
91 34
48 58
16 57
64 76
37 11
40 9
...

output:

YES
72 30 12 100 10 22 79 56 77 19 67 96 41 53 45 6 32 33 27 36 62 85 5 20 24 39 83 2 34 69 54 55 50 38 81 11 74 75 37 17 52 14 82 35 23 8 42 95 66 84 49 91 44 98 99 94 46 70 71 57 92 7 61 28 16 31 1 86 51 9 40 73 97 68 78 63 80 93 26 18 88 65 58 48 29 76 47 13 15 87 64 89 3 90 25 60 59 4 21 43 

result:

ok 

Test #9:

score: 0
Accepted
time: 2ms
memory: 13228kb

input:

200
16 122
183 100
132 29
72 90
127 78
31 151
133 8
161 93
49 103
131 113
121 59
60 15
44 183
130 105
155 170
192 191
156 167
95 85
163 77
154 41
199 101
103 158
20 68
54 2
114 50
167 128
149 166
21 141
119 110
170 73
63 19
33 154
120 124
151 113
26 187
15 112
91 83
70 194
51 197
116 6
176 158
175 1...

output:

YES
57 38 13 200 52 104 162 7 94 64 125 190 184 29 132 124 120 82 85 95 102 160 1 17 157 118 174 98 18 185 71 4 47 88 27 73 170 155 24 143 58 12 22 87 8 133 142 42 136 53 106 25 110 119 177 145 141 21 90 72 19 63 109 2 54 197 51 112 15 60 158 103 49 166 149 56 83 91 194 70 165 164 79 36 50 114 153 1...

result:

ok 

Test #10:

score: 0
Accepted
time: 0ms
memory: 11864kb

input:

200
56 198
56 128
56 76
56 90
56 155
56 32
56 55
56 1
56 83
56 59
56 133
56 115
56 30
56 131
56 40
56 177
56 166
56 63
56 104
56 13
56 164
56 152
56 47
56 38
56 127
56 199
56 145
56 20
56 36
56 46
56 137
56 190
56 146
56 183
56 187
56 6
56 194
56 77
56 160
56 138
56 149
56 64
56 100
56 117
56 27
56 ...

output:

NO

result:

ok 

Test #11:

score: 0
Accepted
time: 2ms
memory: 14356kb

input:

200
3 138
3 187
3 13
3 36
3 26
3 59
3 69
3 54
3 27
3 154
3 82
3 132
3 161
3 101
3 198
3 6
3 193
3 169
3 60
3 85
3 166
3 57
3 28
3 163
3 89
3 93
3 135
3 16
3 125
3 62
3 71
3 150
3 2
3 21
3 127
3 121
3 95
3 39
3 179
3 90
3 98
3 104
3 182
3 103
3 177
3 174
3 172
3 49
3 88
3 178
3 51
3 200
3 159
3 48
3 ...

output:

YES
55 10 3 200 138 187 13 36 26 59 69 54 27 154 82 132 161 101 45 198 6 193 169 60 85 166 57 28 163 75 162 89 93 135 16 125 62 71 150 2 21 127 38 121 95 39 179 90 98 104 182 103 177 112 174 172 43 188 49 88 178 51 159 48 86 134 155 32 151 114 147 157 107 140 19 64 80 15 105 175 199 165 130 22 66 68...

result:

ok 

Test #12:

score: 0
Accepted
time: 97ms
memory: 31268kb

input:

300000
114853 264153
298031 43573
189277 96893
68911 129144
83395 244009
1019 185588
39660 143053
246340 144880
244223 132708
152084 27057
230030 57377
141813 235567
64190 230887
105772 151822
258236 227531
184923 92096
66128 16467
199270 173492
78538 249107
232394 197343
268822 246960
281154 197354...

output:

YES
167466 280283 100691 299998 62086 87247 140340 14620 99598 200296 180896 281644 15108 145036 232887 169401 2955 88671 198450 40475 224075 58134 136269 112548 196731 168161 24101 46118 218358 162327 94941 44365 148066 267548 188530 219831 230438 133511 234488 132683 98518 147547 31004 42474 41067...

result:

ok 

Test #13:

score: 0
Accepted
time: 95ms
memory: 31016kb

input:

300000
37117 223947
199643 280354
274799 172294
226464 27333
43649 32485
130021 84630
70467 44592
112478 126488
133072 64293
271409 15857
288456 210421
139805 140
162685 49229
14096 273871
55693 11924
137750 93654
255246 78666
132904 163741
50059 8408
121274 230817
269075 125691
270537 260948
277126...

output:

YES
17965 12950 165955 300000 20064 249011 6808 89936 18705 82822 104414 271888 258056 265292 195482 202235 240932 16554 27180 71161 238704 65280 114036 106520 275965 222391 23725 2942 184909 270661 179868 3063 97161 153257 115942 279470 283927 68435 39840 73005 114809 114232 75419 212301 573 22614 ...

result:

ok 

Test #14:

score: 0
Accepted
time: 96ms
memory: 32216kb

input:

300000
268783 101895
27590 114760
14864 171076
137533 59382
133722 236003
277744 187278
189110 80196
260321 229396
293370 59604
66690 46811
188856 113279
158853 279087
234008 145840
62098 148819
90304 135703
264489 61055
1527 291426
228720 253339
128391 282367
230693 36857
134937 283157
178978 28302...

output:

YES
222528 70097 232782 299999 154396 9399 190177 276138 8023 119648 269542 21269 131610 50012 248448 19380 121940 170066 58221 271727 157313 26401 221918 51007 58008 201456 3063 25941 284707 179480 25451 144270 103865 142775 162013 11109 258821 150981 210965 6245 90344 266411 56799 298896 171799 15...

result:

ok 

Test #15:

score: 0
Accepted
time: 109ms
memory: 32304kb

input:

300000
150950 267369
289017 3183
121065 253781
250699 196624
166248 1258
62584 164129
74238 205040
69940 242240
206512 45807
237009 152011
106234 113446
262178 6360
11915 293426
240715 210047
155609 91195
5698 108687
52572 64202
259254 131021
23340 3637
101657 75893
50362 114481
46841 259603
92022 2...

output:

YES
47244 53247 216075 299999 215716 150940 219853 195425 170813 43774 226614 247405 235105 24275 273633 25301 67416 159356 21366 124425 269694 57964 149236 203105 223852 63589 5143 295459 67851 107262 196245 88582 195452 79993 208344 132795 114039 98591 84961 148311 15173 88420 145445 118964 56300 ...

result:

ok 

Test #16:

score: 0
Accepted
time: 107ms
memory: 32272kb

input:

300000
49709 89567
116527 61741
285831 50661
101522 82524
53092 66068
86222 189736
218043 73160
13162 26534
168441 105087
11975 25881
90532 14377
232905 194513
267892 122922
272020 12435
149258 264534
123074 211569
169040 7735
137914 80789
257276 127051
35078 31990
179149 44365
178698 23293
114696 1...

output:

YES
109532 137681 232992 299999 298273 187449 218209 173802 65727 190716 198987 171618 147313 58922 107084 38238 254320 134318 9029 1556 114290 108955 101799 63456 197859 154826 162145 18494 107210 53709 190599 154835 144490 58741 176676 74428 283661 280185 220373 244088 182042 210214 236829 31838 2...

result:

ok 

Test #17:

score: 0
Accepted
time: 124ms
memory: 33356kb

input:

300000
11520 95384
25302 98828
47757 177418
33783 201064
249009 132959
160957 223098
69371 147959
297586 265064
111848 112
54402 243987
221427 176478
78297 103877
283871 164241
278667 280291
165910 63063
263388 174421
236875 249121
49837 32872
185947 118645
298053 206918
282114 120453
169448 108351
...

output:

YES
155304 166878 267999 299997 272716 190776 259106 214899 117627 40923 88402 202862 241024 257056 74181 7384 248604 259863 42773 23064 289373 203230 171923 286521 287324 205260 27511 38827 65409 139083 233463 175776 30341 185416 198213 22828 153310 103586 71947 126424 195372 38718 167303 53332 521...

result:

ok 

Test #18:

score: 0
Accepted
time: 120ms
memory: 35400kb

input:

300000
266316 130154
271618 232285
202160 263507
132088 15648
107605 189613
287651 88616
182956 80933
93644 64472
151741 159119
156651 146038
95404 292422
197240 139293
193081 296605
286792 1138
90636 95542
221620 185379
21658 170349
261710 33666
32379 29518
47764 23367
137414 92197
292446 226026
28...

output:

YES
115185 4376 48878 299999 228950 118392 29988 239376 91601 239299 189935 66924 17579 50012 269775 201112 258050 36154 167728 29490 193083 73511 63174 260489 241937 28095 111142 121685 284656 157107 108319 207355 86932 112651 135180 8605 282808 224084 142763 141803 155009 47722 254587 8579 83683 2...

result:

ok 

Test #19:

score: 0
Accepted
time: 45ms
memory: 25724kb

input:

300000
12780 264648
12780 121374
12780 42008
12780 95697
12780 976
12780 177512
12780 106434
12780 278098
12780 140080
12780 110499
12780 295006
12780 235728
12780 299674
12780 116423
12780 279890
12780 244785
12780 180340
12780 197080
12780 103638
12780 7503
12780 151147
12780 87425
12780 247699
12...

output:

NO

result:

ok 

Test #20:

score: 0
Accepted
time: 69ms
memory: 34324kb

input:

300000
299736 96862
299736 241034
299736 200539
299736 117184
299736 262455
299736 285421
299736 289066
299736 110126
299736 121907
299736 159583
299736 35052
299736 225040
299736 83339
299736 44763
299736 139926
299736 1418
299736 131518
299736 166271
299736 274471
299736 296220
299736 146978
29973...

output:

YES
129131 288167 299736 300000 96862 241034 200539 117184 262455 285421 289066 110126 121907 159583 35052 225040 83339 44763 139926 1418 131518 166271 274471 296220 146978 201085 161544 162910 109976 249870 44208 22149 66753 287 90379 15531 249789 89351 26074 4544 196109 121259 107632 60995 83160 1...

result:

ok 

Test #21:

score: 0
Accepted
time: 64ms
memory: 35792kb

input:

300000
279101 105712
279101 249105
279101 112302
279101 17133
279101 30550
279101 152384
279101 275247
279101 159978
279101 40600
279101 248027
279101 133490
279101 130020
279101 127010
279101 111540
279101 121005
279101 150446
279101 107171
279101 215779
279101 13025
279101 132710
279101 39038
2791...

output:

YES
275878 56 279101 300000 105712 249105 112302 17133 30550 152384 275247 159978 40600 248027 133490 130020 127010 111540 121005 150446 107171 215779 13025 132710 39038 122982 44159 200125 180086 32840 251507 240864 55779 159975 37848 8418 237512 284840 146723 12038 291415 121661 166956 133006 5503...

result:

ok 

Test #22:

score: 0
Accepted
time: 0ms
memory: 12868kb

input:

200
107 93
93 144
107 70
93 23
107 162
93 3
107 174
93 26
107 195
93 101
107 126
93 55
107 183
93 74
107 59
93 76
107 118
93 38
107 54
93 29
107 61
93 152
107 125
93 122
107 192
93 85
107 77
93 25
107 133
93 123
107 87
93 172
107 71
93 167
107 60
93 120
107 184
93 68
107 104
93 80
107 95
93 96
107 1...

output:

YES
93 1 107 200 144 23 3 26 101 55 74 76 38 29 152 122 85 25 123 172 167 120 68 80 96 30 18 47 39 163 12 117 113 15 189 169 168 132 40 73 48 49 150 91 20 6 52 146 180 2 176 5 154 187 155 188 46 11 161 75 99 10 27 86 45 115 44 179 102 166 114 109 121 42 139 51 198 34 160 131 175 130 31 65 37 35 116 ...

result:

ok 

Test #23:

score: 0
Accepted
time: 0ms
memory: 14632kb

input:

200
12 102
102 116
12 105
102 174
12 133
102 144
12 108
102 13
12 151
102 110
12 91
102 162
12 98
102 38
12 149
102 74
12 47
102 190
12 10
102 175
12 186
102 153
12 85
102 199
12 36
102 29
12 147
102 1
12 152
102 45
12 11
102 84
12 146
102 119
12 179
102 7
12 32
102 53
12 9
102 118
12 141
102 177
12...

output:

YES
102 1 12 200 116 174 144 13 110 162 38 74 190 175 153 172 199 29 45 84 119 7 53 118 72 177 70 39 132 34 176 124 197 139 182 68 3 125 33 59 112 49 188 20 195 18 19 27 113 156 193 187 16 37 87 57 173 164 30 148 142 120 181 183 126 111 65 21 64 78 79 159 24 44 166 50 169 122 46 95 123 83 100 17 80 ...

result:

ok 

Test #24:

score: 0
Accepted
time: 72ms
memory: 31236kb

input:

300000
90531 114135
114135 178759
90531 123121
114135 161955
90531 120679
114135 205637
90531 97753
114135 97745
90531 46366
114135 13177
90531 232931
114135 139366
90531 180616
114135 72520
90531 287031
114135 14029
90531 45741
114135 288828
90531 111901
114135 63091
90531 83073
114135 77690
90531 ...

output:

YES
114135 2 90531 300000 178759 161955 205637 97745 13177 139366 72520 14029 288828 63091 77690 103605 103183 173523 42126 159520 83592 57568 264782 200814 49371 170511 120500 136761 200695 241305 258655 82396 295610 27724 38470 165304 186031 163560 258483 138043 129855 239205 90783 173975 54281 29...

result:

ok 

Test #25:

score: 0
Accepted
time: 59ms
memory: 32036kb

input:

300000
141727 171472
171472 62588
141727 30250
171472 267034
141727 37741
171472 141522
141727 159683
171472 256922
141727 241118
171472 153803
141727 18425
171472 172334
141727 124007
171472 13772
141727 10366
171472 213390
141727 173862
171472 77299
141727 218798
171472 122799
141727 34360
171472 ...

output:

YES
171472 1 141727 300000 62588 267034 141522 256922 153803 172334 13772 213390 77299 122799 228288 297727 46400 83399 56700 130086 268084 129659 256509 45960 285192 138897 22215 79218 16213 38825 266545 75929 211304 255187 66297 248292 156232 240543 243770 12543 143273 295609 136997 54447 237135 2...

result:

ok 

Test #26:

score: 0
Accepted
time: 3ms
memory: 13928kb

input:

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

output:

YES
9 7 1 10 8 3 5 4 6 2 

result:

ok 

Test #27:

score: 0
Accepted
time: 28ms
memory: 21116kb

input:

100000
4758 24995
70871 48101
57182 14922
78150 88326
5931 79858
4301 85469
17851 58413
60571 32187
75364 94152
24329 33975
99469 3833
26334 70008
78549 7447
9947 73063
18450 61713
24760 56646
9992 98945
34938 175
81746 41108
46227 77863
94891 10911
39706 67754
73219 55460
81410 3578
43031 14828
380...

output:

YES
40438 57703 11975 37491 547 96982 17898 4868 63867 73960 68945 53473 93550 18282 53093 20828 37763 34231 97314 39110 79986 63129 20152 16206 44247 53011 21025 77458 82703 65353 92222 53402 45393 38031 8815 65700 99095 94410 49857 33273 20531 58166 48618 42217 29160 18121 54389 78596 76276 47546 ...

result:

ok 

Test #28:

score: 0
Accepted
time: 0ms
memory: 14668kb

input:

6
5 3
3 6
5 2
3 4
5 1

output:

YES
5 1 3 6 2 4 

result:

ok 

Test #29:

score: 0
Accepted
time: 3ms
memory: 14536kb

input:

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

output:

YES
5 1 3 8 7 4 2 6 

result:

ok 

Test #30:

score: 0
Accepted
time: 0ms
memory: 14200kb

input:

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

output:

YES
1 3 2 8 6 4 5 7 

result:

ok 

Test #31:

score: 0
Accepted
time: 0ms
memory: 12884kb

input:

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

output:

YES
8 2 5 7 3 6 4 1 

result:

ok 

Test #32:

score: 0
Accepted
time: 0ms
memory: 14540kb

input:

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

output:

YES
4 3 2 8 6 7 5 1 

result:

ok 

Test #33:

score: 0
Accepted
time: 0ms
memory: 14072kb

input:

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

output:

YES
6 1 7 8 5 4 3 2 

result:

ok 

Test #34:

score: 0
Accepted
time: 0ms
memory: 14124kb

input:

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

output:

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

result:

ok 

Test #35:

score: 0
Accepted
time: 2ms
memory: 13884kb

input:

128
53 111
111 61
53 48
111 121
53 32
111 93
53 97
111 19
53 35
111 105
53 8
111 101
53 44
111 94
53 58
111 80
53 16
111 79
53 96
111 88
53 90
111 98
53 55
111 17
53 69
111 40
53 84
111 59
53 126
111 71
53 36
111 47
53 14
111 49
53 77
111 128
53 22
111 20
53 10
111 54
53 95
111 119
53 12
111 64
53 2...

output:

YES
53 1 111 128 48 32 97 35 8 44 58 16 96 90 55 69 84 126 36 14 77 22 10 95 12 27 106 124 23 31 67 73 11 102 45 100 82 89 52 24 87 2 91 62 41 112 110 125 65 5 57 81 86 21 43 25 75 50 37 30 74 99 76 28 103 7 61 121 93 19 105 101 94 80 79 88 98 17 40 59 71 47 49 20 54 119 64 56 18 118 104 83 68 70 29...

result:

ok 

Test #36:

score: 0
Accepted
time: 75ms
memory: 31396kb

input:

300000
250443 449
250443 22884
250443 144955
250443 124134
250443 166560
250443 196513
250443 53759
250443 191771
250443 152495
250443 146696
250443 33720
250443 74643
250443 148572
250443 259831
250443 152960
250443 28807
250443 274820
250443 105639
250443 159610
250443 147117
250443 117152
250443 ...

output:

YES
32535 2 250443 300000 449 73683 145296 22884 144955 124134 103063 166560 196513 53759 191771 168099 152495 146696 33720 2155 74643 172425 148572 259831 152960 28807 274820 105639 122390 159610 147117 117152 149064 232139 105083 254735 259777 223897 68534 296449 12522 140800 217137 270218 254242 ...

result:

ok 

Test #37:

score: 0
Accepted
time: 3ms
memory: 13124kb

input:

4
1 2
3 4
1 4

output:

YES
1 2 4 3 

result:

ok 

Test #38:

score: 0
Accepted
time: 0ms
memory: 14452kb

input:

4
1 3
1 4
3 2

output:

YES
3 2 1 4 

result:

ok 

Test #39:

score: 0
Accepted
time: 3ms
memory: 12768kb

input:

4
1 4
2 3
2 4

output:

YES
4 1 2 3 

result:

ok 

Test #40:

score: 0
Accepted
time: 0ms
memory: 14092kb

input:

4
2 4
1 2
4 3

output:

YES
2 1 4 3 

result:

ok 

Test #41:

score: 0
Accepted
time: 0ms
memory: 13644kb

input:

4
4 3
4 2
1 2

output:

YES
2 1 4 3 

result:

ok 

Test #42:

score: 0
Accepted
time: 2ms
memory: 13896kb

input:

4
2 3
4 2
3 1

output:

YES
3 1 2 4 

result:

ok 

Test #43:

score: 0
Accepted
time: 0ms
memory: 14332kb

input:

4
1 3
2 1
4 2

output:

YES
1 3 2 4 

result:

ok 

Test #44:

score: 0
Accepted
time: 3ms
memory: 13000kb

input:

4
3 2
1 3
4 2

output:

YES
3 1 2 4 

result:

ok 

Test #45:

score: 0
Accepted
time: 0ms
memory: 12824kb

input:

4
4 1
4 3
1 2

output:

YES
1 2 4 3 

result:

ok 

Test #46:

score: 0
Accepted
time: 0ms
memory: 14468kb

input:

5
2 3
5 1
2 4
5 3

output:

YES
3 5 2 4 1 

result:

ok 

Test #47:

score: 0
Accepted
time: 2ms
memory: 13276kb

input:

6
2 5
5 1
3 6
4 6
3 1

output:

YES
3 1 6 4 5 2 

result:

ok 

Test #48:

score: 0
Accepted
time: 2ms
memory: 13264kb

input:

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

output:

YES
5 2 7 3 6 4 1 

result:

ok 

Test #49:

score: 0
Accepted
time: 0ms
memory: 12936kb

input:

4
4 2
2 3
4 1

output:

YES
4 1 2 3 

result:

ok 

Test #50:

score: 0
Accepted
time: 2ms
memory: 13276kb

input:

4
1 4
1 2
3 2

output:

YES
2 3 1 4 

result:

ok 

Test #51:

score: 0
Accepted
time: 2ms
memory: 13000kb

input:

4
1 2
1 4
2 3

output:

YES
2 3 1 4 

result:

ok 

Test #52:

score: 0
Accepted
time: 0ms
memory: 13136kb

input:

4
1 3
1 4
3 2

output:

YES
3 2 1 4 

result:

ok 

Test #53:

score: 0
Accepted
time: 0ms
memory: 13504kb

input:

6
1 2
1 3
1 4
2 5
2 6

output:

YES
1 3 2 6 4 5 

result:

ok 

Test #54:

score: 0
Accepted
time: 2ms
memory: 12684kb

input:

6
1 6
6 5
5 3
4 5
2 6

output:

YES
6 1 5 4 2 3 

result:

ok 

Test #55:

score: 0
Accepted
time: 0ms
memory: 14052kb

input:

6
2 4
4 6
1 3
5 3
4 1

output:

YES
1 3 4 6 2 5 

result:

ok 

Test #56:

score: 0
Accepted
time: 2ms
memory: 13840kb

input:

6
3 4
4 1
2 4
6 3
3 5

output:

YES
4 1 3 6 2 5 

result:

ok 

Test #57:

score: 0
Accepted
time: 2ms
memory: 13916kb

input:

6
1 2
1 3
5 6
5 4
5 1

output:

YES
1 2 5 6 4 3 

result:

ok 

Test #58:

score: 0
Accepted
time: 2ms
memory: 13832kb

input:

6
6 1
6 2
3 4
5 3
6 3

output:

YES
6 1 3 5 4 2 

result:

ok