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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#691093#9525. Welcome to Join the Online Meeting!dezex#AC ✓130ms39048kbC++201.5kb2024-10-31 09:49:142024-10-31 09:49:57

Judging History

你现在查看的是最新测评结果

  • [2024-10-31 09:49:57]
  • 评测
  • 测评结果:AC
  • 用时:130ms
  • 内存:39048kb
  • [2024-10-31 09:49:14]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

const int N=2e5+10,M=1e6+10;
int head[N],e[M],nxt[M],tot;
int busy[N];int vis[N];

int n,m,k;
vector<int> ans[N];int cans;
int ctot;

void add(int u,int v)
{
    e[++tot]=v;nxt[tot]=head[u];head[u]=tot;
}

void dfs(int u,int fa)
{
    int cur=++cans;
    ans[cur].push_back(u);
    for(int i=head[u];i;i=nxt[i])
    {
        int v=e[i];
        if(v==fa || vis[v])
            continue;
        vis[v]=1;
        if(!busy[v])
            dfs(v,u);
        ans[cur].push_back(v);

    };
    ctot+=ans[cur].size()-1;
    if(ans[cur].size()==1)
    {
        ans[cans].clear();
        cans--;
    };
}

int main()
{   
    scanf("%d %d %d",&n,&m,&k);
    for(int i=1;i<=k;i++)
    {
        int x;
        scanf("%d",&x);
        busy[x]=1;
    };
    for(int i=1;i<=m;i++)
    {
        int u,v;scanf("%d %d",&u,&v);
        add(u,v);add(v,u);
    };
    int st=-1;
    for(int i=1;i<=n;i++)
        if(!busy[i])
            st=i;
    if(st==-1)
    {
        printf("No\n");
        return 0;
    };
    vis[st]=1;
    dfs(st,-1);
    // printf("ctot=%d\n",ctot);
    if(ctot!=n-1)
    {
        printf("No\n");
    } else 
    {
        printf("Yes\n");
        printf("%d\n",cans);
        for(int i=1;i<=cans;i++)
        {
            printf("%d ",ans[i][0]);
            printf("%d ",ans[i].size()-1);
            for(int j=1;j<ans[i].size();j++)
                printf("%d ",ans[i][j]);
            printf("\n");
        };
    };
    return 0;
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 10040kb

input:

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

output:

Yes
1
2 3 4 3 1 

result:

ok ok

Test #2:

score: 0
Accepted
time: 2ms
memory: 9952kb

input:

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

output:

No

result:

ok ok

Test #3:

score: 0
Accepted
time: 1ms
memory: 10036kb

input:

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

output:

Yes
2
2 1 1 
1 2 4 3 

result:

ok ok

Test #4:

score: 0
Accepted
time: 1ms
memory: 7920kb

input:

6 6 0

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

output:

No

result:

ok ok

Test #5:

score: 0
Accepted
time: 70ms
memory: 35908kb

input:

200000 199999 2
142330 49798
49798 116486
116486 64386
64386 192793
192793 61212
61212 138489
138489 83788
83788 89573
89573 8596
8596 156548
156548 41800
41800 14478
14478 27908
27908 82806
82806 9353
9353 160166
160166 92308
92308 36265
36265 126943
126943 190578
190578 191148
191148 177381
177381...

output:

Yes
199998
200000 2 64617 70619 
64617 1 184514 
184514 1 86428 
86428 1 160125 
160125 1 5811 
5811 1 117456 
117456 1 4069 
4069 1 104321 
104321 1 163977 
163977 1 189549 
189549 1 72596 
72596 1 197209 
197209 1 62760 
62760 1 17796 
17796 1 13371 
13371 1 162417 
162417 1 54645 
54645 1 26480 
...

result:

ok ok

Test #6:

score: 0
Accepted
time: 69ms
memory: 36016kb

input:

199999 199998 1
136702
159826 166341
166341 59559
59559 169672
169672 102084
102084 136269
136269 57057
57057 59116
59116 119963
119963 85663
85663 33942
33942 84604
84604 189395
189395 154906
154906 22175
22175 144902
144902 198523
198523 35993
35993 35690
35690 47504
47504 104458
104458 68253
6825...

output:

Yes
199997
199999 2 146100 164642 
146100 1 63385 
63385 1 162825 
162825 1 122986 
122986 1 56893 
56893 1 185201 
185201 1 107581 
107581 1 176689 
176689 1 163470 
163470 1 13088 
13088 1 10167 
10167 1 145923 
145923 1 138396 
138396 1 50665 
50665 1 85728 
85728 1 4643 
4643 1 85313 
85313 1 87...

result:

ok ok

Test #7:

score: 0
Accepted
time: 75ms
memory: 36076kb

input:

199998 199997 0

67665 130538
130538 101337
101337 73749
73749 138128
138128 1274
1274 108069
108069 50961
50961 7039
7039 109946
109946 170551
170551 193330
193330 113590
113590 92775
92775 2146
2146 43591
43591 125033
125033 75583
75583 173991
173991 46820
46820 3986
3986 163272
163272 91657
91657...

output:

Yes
199996
199998 2 179438 193401 
179438 1 185058 
185058 1 78657 
78657 1 130618 
130618 1 109588 
109588 1 130710 
130710 1 120994 
120994 1 141797 
141797 1 520 
520 1 14302 
14302 1 80886 
80886 1 11246 
11246 1 122378 
122378 1 26721 
26721 1 177583 
177583 1 131806 
131806 1 115024 
115024 1 ...

result:

ok ok

Test #8:

score: 0
Accepted
time: 31ms
memory: 26856kb

input:

199997 199996 1
158877
35837 79489
79489 72932
72932 14238
14238 73007
73007 66909
66909 49015
49015 129581
129581 138449
138449 94774
94774 189625
189625 23578
23578 31043
31043 146625
146625 161587
161587 136966
136966 184859
184859 27587
27587 155616
155616 72392
72392 195320
195320 75551
75551 1...

output:

No

result:

ok ok

Test #9:

score: 0
Accepted
time: 26ms
memory: 12380kb

input:

200000 199999 1
29111
29111 80079
29111 131587
29111 197066
29111 125194
29111 156736
50697 29111
29111 74382
113595 29111
29111 26046
29111 172868
178564 29111
174875 29111
93471 29111
88216 29111
29111 147893
29111 145746
29111 34038
146500 29111
67862 29111
29111 19222
29111 121535
29111 49102
29...

output:

No

result:

ok ok

Test #10:

score: 0
Accepted
time: 36ms
memory: 15432kb

input:

199999 199998 2
52512 104330
130511 66864
139434 66864
92884 66864
66864 185580
184115 66864
137395 66864
66864 43463
118395 66864
111697 66864
66864 133237
66864 112507
66864 140264
66864 10
66864 151082
155779 66864
107988 66864
148839 66864
66864 40909
172685 66864
66864 189374
180054 66864
49 66...

output:

Yes
2
199999 1 66864 
66864 199997 152191 114634 139293 174586 166708 148083 113473 51973 40621 24729 76417 61418 8724 198149 133889 48404 16570 71892 189896 124248 97342 29065 127677 122933 54921 187274 29825 42364 38058 57622 184269 136390 73229 94147 195417 121369 139089 119860 191448 131894 1399...

result:

ok ok

Test #11:

score: 0
Accepted
time: 37ms
memory: 14616kb

input:

199998 199997 0

77056 67665
130538 77056
77056 101337
73749 77056
77056 138128
1274 77056
77056 108069
50961 77056
77056 7039
77056 109946
77056 170551
193330 77056
113590 77056
77056 92775
2146 77056
43591 77056
77056 125033
75583 77056
173991 77056
46820 77056
77056 3986
77056 163272
91657 77056
...

output:

Yes
2
199998 1 77056 
77056 199996 108040 162420 130135 168898 4125 67434 132013 36554 114001 171315 14656 37474 46087 66480 161076 103822 131635 148656 136590 125073 111510 124527 62120 126154 40223 33351 140740 48401 168088 47 53313 116117 151667 51110 55915 195842 151790 175746 63508 8461 184584 ...

result:

ok ok

Test #12:

score: 0
Accepted
time: 38ms
memory: 13636kb

input:

1000 499500 999
458 720 932 821 847 788 447 593 430 896 257 238 380 924 968 30 389 306 278 824 83 342 329 513 476 313 714 348 602 105 758 777 663 1000 20 756 546 256 123 340 69 244 772 625 390 557 911 272 496 127 409 436 845 574 958 921 24 17 770 630 851 147 178 976 77 181 230 723 974 345 501 683 24...

output:

Yes
1
987 999 422 67 813 291 807 123 296 89 197 428 396 13 499 402 102 796 607 254 889 483 777 761 956 233 490 913 609 147 149 163 789 574 648 753 783 107 379 129 427 184 627 313 852 409 470 856 504 774 756 90 403 532 20 672 932 924 634 495 876 649 232 457 942 885 890 16 307 337 693 599 850 755 863 ...

result:

ok ok

Test #13:

score: 0
Accepted
time: 49ms
memory: 13780kb

input:

1000 499000 765
622 257 281 601 593 967 704 173 609 700 782 592 356 595 431 307 933 886 213 478 8 832 877 606 335 253 420 631 345 179 961 437 238 641 513 997 192 483 152 951 580 331 401 122 155 814 228 633 372 918 346 464 3 992 416 953 650 668 971 899 76 575 880 85 194 541 26 348 93 815 554 64 850 5...

output:

Yes
234
998 10 417 241 897 386 391 322 318 456 408 461 
461 4 191 977 220 244 
244 10 41 880 442 693 982 686 346 702 589 364 
364 2 193 582 
582 1 703 
703 4 157 97 905 871 
871 7 114 774 362 623 928 205 349 
349 1 944 
944 7 338 185 995 229 988 434 217 
217 11 763 33 414 307 626 92 137 936 255 517 ...

result:

ok ok

Test #14:

score: 0
Accepted
time: 37ms
memory: 13652kb

input:

999 300000 98
544 367 966 146 474 309 291 482 953 116 340 59 765 566 227 176 371 672 170 739 120 931 23 858 153 884 258 842 763 405 104 957 596 978 732 515 497 269 174 551 653 690 755 808 288 574 17 356 500 665 827 172 987 240 154 824 220 430 722 950 534 400 413 908 671 12 427 818 187 335 572 644 52...

output:

Yes
900
999 2 405 223 
223 1 77 
77 1 560 
560 1 775 
775 1 224 
224 1 382 
382 1 188 
188 1 82 
82 1 55 
55 1 233 
233 1 600 
600 1 624 
624 1 486 
486 1 532 
532 2 170 952 
952 1 182 
182 1 28 
28 1 893 
893 1 464 
464 1 42 
42 1 488 
488 2 240 72 
72 3 671 288 634 
634 1 512 
512 1 889 
889 1 784...

result:

ok ok

Test #15:

score: 0
Accepted
time: 46ms
memory: 13724kb

input:

10000 500000 10000
1905 4872 6021 8458 3220 7251 6356 3194 996 2320 298 7850 3567 2244 4361 7462 8058 9852 3057 6409 2288 9712 8533 5380 7131 970 2261 134 1179 1665 7329 442 8996 8203 7168 5946 7893 8282 9474 2445 1762 4900 101 6631 4588 7670 7716 7010 6113 5654 5308 3451 130 3205 2959 4898 374 6178...

output:

No

result:

ok ok

Test #16:

score: 0
Accepted
time: 44ms
memory: 13672kb

input:

10000 500000 9998
5272 7519 3021 7043 2522 2940 9960 3860 7595 3760 8035 2085 572 234 8292 3636 9619 6749 884 6669 8536 570 9353 2803 160 6085 5838 2812 7764 8722 2431 8854 2183 2032 7731 5404 5516 1574 4864 1431 8527 5506 1012 5713 8665 26 976 6010 4888 5975 6993 3187 7227 8438 6812 5903 1738 6467 ...

output:

No

result:

ok ok

Test #17:

score: 0
Accepted
time: 75ms
memory: 16720kb

input:

10000 500000 1234
7096 8517 9305 874 7758 730 2653 6237 2494 4290 2280 892 9081 2308 6418 3258 1690 103 9850 6778 9724 1914 1561 1361 3776 160 1892 1394 7981 3050 6013 5452 8769 7341 3259 6011 8672 4500 1930 8758 5103 4509 2782 1354 1583 8663 1088 2156 3254 7150 3824 4768 8230 7533 3277 8910 8135 19...

output:

Yes
8683
10000 1 2609 
2609 2 4408 5246 
5246 1 4655 
4655 1 2796 
2796 1 2337 
2337 1 3991 
3991 1 7076 
7076 1 8695 
8695 1 9206 
9206 1 3570 
3570 1 4796 
4796 1 2834 
2834 1 6138 
6138 1 1009 
1009 1 9376 
9376 1 7822 
7822 1 223 
223 1 3430 
3430 1 4216 
4216 1 9693 
9693 1 9434 
9434 1 1036 
1...

result:

ok ok

Test #18:

score: 0
Accepted
time: 68ms
memory: 15192kb

input:

10000 500000 0

6605 3715
1237 3040
3617 2124
4550 1766
8159 4808
7027 9779
7053 1803
3973 6790
8233 2873
7636 6894
6821 9714
8280 8440
261 6160
1279 3627
5816 9131
8167 1332
6763 3029
9605 4045
921 9926
6547 4760
3618 7832
5961 6497
1255 5646
5567 621
5732 2860
88 3501
3866 6046
7188 6203
3337 2873...

output:

Yes
9897
10000 1 5897 
5897 1 8601 
8601 1 8157 
8157 1 8732 
8732 1 1069 
1069 1 3345 
3345 1 1851 
1851 1 4473 
4473 1 8833 
8833 1 6051 
6051 1 430 
430 1 810 
810 1 6024 
6024 1 7597 
7597 1 6603 
6603 1 4908 
4908 1 123 
123 1 884 
884 1 5192 
5192 1 8568 
8568 1 7769 
7769 1 9592 
9592 1 9152 ...

result:

ok ok

Test #19:

score: 0
Accepted
time: 78ms
memory: 17976kb

input:

20000 499999 321
13495 16729 10971 3389 7920 17768 11943 12054 6426 13331 6453 15959 6842 12610 18437 12930 4597 7386 8506 52 17373 2492 18849 19694 8432 12552 8663 4836 5370 3125 4323 15529 5916 14378 13756 15147 19826 7961 3188 4919 14256 5230 16288 13867 6039 13451 12861 9057 12645 19486 16719 19...

output:

Yes
19256
20000 1 17833 
17833 1 13086 
13086 1 19540 
19540 1 5343 
5343 1 17612 
17612 1 19241 
19241 1 11529 
11529 1 374 
374 1 2138 
2138 1 18475 
18475 1 2554 
2554 1 3461 
3461 1 9866 
9866 1 4868 
4868 1 8328 
8328 1 14935 
14935 1 15200 
15200 1 7425 
7425 1 5413 
5413 1 15641 
15641 1 1665...

result:

ok ok

Test #20:

score: 0
Accepted
time: 84ms
memory: 16944kb

input:

20000 499998 456
17380 3548 17148 12088 15694 2886 15042 15060 4903 3288 13810 5360 7487 15472 1934 6496 19753 7795 9485 16913 17980 18738 18003 3795 5186 18128 15284 3276 16833 13161 6707 8941 947 5088 4974 13222 1790 14903 14837 4315 17583 12119 15871 6961 11561 3674 18427 2207 1556 19736 719 2326...

output:

Yes
19154
20000 1 14190 
14190 1 5721 
5721 1 1301 
1301 1 5619 
5619 1 12601 
12601 1 14753 
14753 1 16939 
16939 1 1572 
1572 1 16729 
16729 1 13127 
13127 1 3878 
3878 1 14596 
14596 1 8157 
8157 1 12337 
12337 1 5792 
5792 1 24 
24 1 17885 
17885 1 15361 
15361 1 17114 
17114 1 13739 
13739 1 49...

result:

ok ok

Test #21:

score: 0
Accepted
time: 92ms
memory: 28048kb

input:

100000 500000 1235
3510 14575 57589 88714 29299 62839 6733 25039 17686 8112 24858 274 16916 83976 25181 57773 49758 65223 33663 47471 12200 8551 57927 21092 67375 77093 76589 91355 94075 17071 50791 43800 72672 54280 19504 106 10971 87577 40091 88380 81937 27327 24188 78489 92382 43581 8875 22402 41...

output:

No

result:

ok ok

Test #22:

score: 0
Accepted
time: 86ms
memory: 28116kb

input:

100000 500000 9
34008 13155 90342 28233 23089 86546 14071 6854 11360
3498 65486
65603 70184
14269 18649
79366 11163
66926 49216
4445 76420
50121 20493
2808 43301
18218 44910
92999 97448
13760 37138
15100 36649
34074 1879
72027 68411
54611 87760
1896 60316
43650 8286
34285 74403
21309 96104
49344 941...

output:

Yes
90468
100000 1 62789 
62789 1 12115 
12115 1 63861 
63861 1 74583 
74583 1 49282 
49282 1 50950 
50950 1 15679 
15679 1 50692 
50692 1 24431 
24431 1 94733 
94733 1 19793 
19793 1 50293 
50293 1 64548 
64548 1 47602 
47602 1 42669 
42669 1 27744 
27744 1 55777 
55777 1 87968 
87968 1 24161 
2416...

result:

ok ok

Test #23:

score: 0
Accepted
time: 94ms
memory: 27940kb

input:

100000 500000 1
75076
9583 32552
72566 77581
74823 25463
58197 78380
62002 94563
99622 60434
39479 68180
1722 38894
43269 85989
33777 78513
5464 79304
57968 37134
88958 60066
61043 23394
50002 93317
59516 46962
55978 3705
2504 341
70466 21789
42193 45686
1370 18780
91444 2274
93546 66571
97443 53551...

output:

Yes
90510
100000 1 76832 
76832 1 76712 
76712 1 60955 
60955 1 25122 
25122 1 33061 
33061 1 12839 
12839 1 46028 
46028 1 49428 
49428 1 86213 
86213 1 20398 
20398 1 21879 
21879 1 36726 
36726 1 13108 
13108 1 9442 
9442 1 87641 
87641 1 39187 
39187 1 17569 
17569 1 23753 
23753 1 50030 
50030 ...

result:

ok ok

Test #24:

score: 0
Accepted
time: 83ms
memory: 28548kb

input:

100000 500000 0

39862 49976
22596 40406
37185 98022
80733 93561
81387 94842
25064 61254
42694 16911
22623 87861
89266 37654
59510 12230
43457 79569
73883 19406
63275 92754
22177 11799
5763 44974
1570 83476
79123 73330
45165 77314
63415 32676
70388 8398
22032 77785
63620 61574
23429 41486
30923 1236...

output:

Yes
90386
100000 1 41568 
41568 1 37559 
37559 1 77396 
77396 1 17054 
17054 1 38079 
38079 1 11666 
11666 1 12417 
12417 1 48644 
48644 1 77001 
77001 1 1024 
1024 1 59528 
59528 1 8197 
8197 1 30445 
30445 1 3935 
3935 1 32684 
32684 1 20830 
20830 1 13844 
13844 1 44136 
44136 1 90989 
90989 1 73...

result:

ok ok

Test #25:

score: 0
Accepted
time: 45ms
memory: 21612kb

input:

199999 200000 10
162044 184301 102211 174303 129412 46215 153004 13679 113247 194319
100393 176945
52810 193834
159859 44467
119931 61763
196292 30856
21297 175055
20174 1882
11250 184866
74000 1054
74272 134956
41299 186242
162575 63218
119189 12678
29884 5001
148164 16567
24612 169902
77735 135002...

output:

No

result:

ok ok

Test #26:

score: 0
Accepted
time: 35ms
memory: 15056kb

input:

200000 199999 0

142790 145621
180161 104270
112230 88214
154000 63048
188285 141046
185739 50230
142683 197737
141276 49672
41219 95859
175530 171250
171226 174408
151297 88982
28928 71368
199034 63185
116370 106685
192890 167797
132366 79091
78160 89965
177169 151554
172583 127365
9032 60583
78786...

output:

No

result:

ok ok

Test #27:

score: 0
Accepted
time: 107ms
memory: 38568kb

input:

200000 500000 245
193722 185527 109052 75916 93935 24076 79627 20964 180786 120016 132778 186582 144529 16308 58727 114586 130490 34200 113593 7386 151039 39324 175706 195617 169880 139107 160903 183556 167931 124336 92216 181943 41472 98648 191217 191760 19769 86540 4125 65866 133876 106754 96372 1...

output:

No

result:

ok ok

Test #28:

score: 0
Accepted
time: 98ms
memory: 39048kb

input:

200000 500000 14
142703 65403 129451 151977 165363 20230 132897 87039 9024 158327 31353 194121 16577 146056
139648 187616
8050 35431
127655 35285
195736 80740
3874 174224
168938 136840
97592 176911
12210 58008
85816 66096
61709 179153
69540 1567
86595 14951
182066 29930
183615 37773
166329 61767
167...

output:

No

result:

ok ok

Test #29:

score: 0
Accepted
time: 130ms
memory: 38548kb

input:

200000 500000 1
5880
85775 146428
142622 151159
88421 138441
169300 66421
147351 32187
62008 74476
82579 109015
176101 15964
50525 172923
142682 150232
178015 197099
29910 154380
124900 65984
825 137825
194984 139256
31396 65802
141485 14608
126721 85235
193397 167129
98424 54611
63857 8244
68507 68...

output:

Yes
164708
200000 1 172247 
172247 1 89513 
89513 1 77472 
77472 1 199476 
199476 1 102165 
102165 1 159083 
159083 2 135043 112938 
135043 1 101815 
101815 1 58767 
58767 1 104420 
104420 1 29991 
29991 1 140760 
140760 1 28870 
28870 1 136041 
136041 1 194450 
194450 1 59745 
59745 1 62973 
62973 ...

result:

ok ok

Test #30:

score: 0
Accepted
time: 64ms
memory: 21624kb

input:

199999 199998 73589
144387 49530 75323 115971 116495 141238 92902 186288 75011 21274 196 62128 161581 112516 16226 166382 73692 120539 170346 127146 153896 57832 23870 56030 110186 132465 101619 681 13908 5901 194116 151154 160650 78720 87497 131676 94642 65227 153151 67720 61825 132140 114363 76085...

output:

Yes
126410
199998 2 199997 199999 
199997 1 199995 
199995 2 199996 199993 
199993 2 199994 199992 
199992 1 199991 
199991 1 199988 
199988 2 199990 199986 
199986 1 199980 
199980 2 199985 199973 
199973 3 199964 199979 199981 
199964 3 199972 199974 199959 
199974 2 199982 199983 
199959 3 199962...

result:

ok ok

Test #31:

score: 0
Accepted
time: 0ms
memory: 9992kb

input:

2 1 1
1
1 2

output:

Yes
1
2 1 1 

result:

ok ok

Test #32:

score: 0
Accepted
time: 1ms
memory: 7988kb

input:

2 1 0

1 2

output:

Yes
1
2 1 1 

result:

ok ok

Extra Test:

score: 0
Extra Test Passed