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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
#716425#9525. Welcome to Join the Online Meeting!guanghereWA 86ms36960kbC++232.2kb2024-11-06 15:14:492024-11-06 15:14:50

Judging History

你现在查看的是最新测评结果

  • [2024-11-06 15:14:50]
  • 评测
  • 测评结果:WA
  • 用时:86ms
  • 内存:36960kb
  • [2024-11-06 15:14:49]
  • 提交

answer

//
// Created by 24087 on 24-11-5.
//
#include <iostream>
#include <numeric>
#include <queue>
#include <vector>

int n, m, k;
std::vector<std::vector<int>> g;

std::vector<std::vector<int>> tmp;
std::vector<bool> vis;
void dfs(int now, int dep) {
    vis[now] = true;
    for (auto &v : g[now]) {
        if (vis[v]) continue;
        tmp[now].push_back(v);
        dfs(v, dep + 1);
    }
}

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    std::cout.tie(nullptr);

    std::cin >> n >> m >> k;

    g.resize(n + 1);  // u->v表示u能够邀请v
    tmp.resize(n + 1);
    vis.resize(n + 1);

    std::vector<bool> busy(n + 1);
    for (int i = 1, pos; i <= k; i++) {
        std::cin >> pos;
        busy[pos] = true;
    }  // 如果busy[i]为true,g[i] = {}

    for (int i = 1, u, v; i <= m; i++) {
        std::cin >> u >> v;
        if (!busy[u]) {
            g[u].push_back(v);
        }
        if (!busy[v]) {
            g[v].push_back(u);
        }
    }

    for (int i = 1; i <= n; i++) {
        if (!busy[i]) {
            dfs(i, 1);
            if (std::accumulate(vis.begin(), vis.end(), 0) == n) {
                std::cout << "Yes\n"
                          << std::accumulate(
                                 tmp.begin(), tmp.end(), 0,
                                 [](int sum, const std::vector<int> &v) {
                                     return sum + !v.empty();
                                 })
                          << '\n';

                std::queue<int> q;
                q.push(i);
                while (!q.empty()) {
                    int now = q.front();
                    q.pop();
                    if (tmp[now].empty()) {
                        continue;
                    }
                    std::cout << now << ' ' << tmp[now].size() << ' ';
                    for (auto &v : tmp[now]) {
                        std::cout << v << ' ';
                        q.push(v);
                    }
                    std::cout << '\n';
                }
            } else {
                std::cout << "No\n";
            }
            return 0;
        }
    }

}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3600kb

input:

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

output:

Yes
2
1 1 2 
2 2 3 4 

result:

ok ok

Test #2:

score: 0
Accepted
time: 0ms
memory: 3552kb

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: 0ms
memory: 3784kb

input:

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

output:

Yes
1
1 3 3 4 2 

result:

ok ok

Test #4:

score: 0
Accepted
time: 0ms
memory: 3824kb

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: 83ms
memory: 36960kb

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
1 2 95113 178679 
95113 1 27292 
178679 1 186222 
27292 1 93394 
186222 1 122914 
93394 1 30051 
122914 1 18533 
30051 1 174891 
18533 1 66240 
174891 1 165580 
66240 1 143831 
165580 1 94294 
143831 1 52965 
94294 1 123410 
52965 1 45501 
123410 1 55130 
45501 1 36293 
55130 1 154872 
36...

result:

ok ok

Test #6:

score: 0
Accepted
time: 86ms
memory: 36104kb

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
1 2 172082 191801 
172082 1 188910 
191801 1 65736 
188910 1 131169 
65736 1 10794 
131169 1 48799 
10794 1 50503 
48799 1 20862 
50503 1 194943 
20862 1 189938 
194943 1 42759 
189938 1 46325 
42759 1 35447 
46325 1 48691 
35447 1 55027 
48691 1 45299 
55027 1 175222 
45299 1 166683 
175...

result:

ok ok

Test #7:

score: 0
Accepted
time: 83ms
memory: 36436kb

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
1 2 5661 102870 
5661 1 114962 
102870 1 182503 
114962 1 36222 
182503 1 106861 
36222 1 92959 
106861 1 147686 
92959 1 66511 
147686 1 106747 
66511 1 81220 
106747 1 182217 
81220 1 182229 
182217 1 124210 
182229 1 7906 
124210 1 72832 
7906 1 81750 
72832 1 107526 
81750 1 75132 
10...

result:

ok ok

Test #8:

score: 0
Accepted
time: 46ms
memory: 32508kb

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: 28ms
memory: 18696kb

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: 39ms
memory: 21220kb

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
1 1 66864 
66864 199997 130511 139434 92884 185580 184115 137395 43463 118395 111697 133237 112507 140264 10 151082 155779 107988 148839 40909 172685 189374 180054 49 41830 19259 186287 41932 21357 66485 95229 126195 72801 154651 48615 111519 156500 156919 60203 11260 164641 168543 130264 3648...

result:

ok ok

Test #11:

score: 0
Accepted
time: 44ms
memory: 21352kb

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
1 1 77056 
77056 199996 67665 130538 101337 73749 138128 1274 108069 50961 7039 109946 170551 193330 113590 92775 2146 43591 125033 75583 173991 46820 3986 163272 91657 92212 191670 170218 149297 164182 6856 61891 95065 7257 47282 126716 84031 52189 32847 63118 134126 143246 30142 58215 3315 1...

result:

ok ok

Test #12:

score: 0
Accepted
time: 35ms
memory: 3600kb

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
987 999 516 5 990 603 581 613 664 339 669 702 571 159 399 397 347 481 43 709 916 191 33 517 178 751 897 868 687 155 993 78 378 865 108 677 382 158 937 496 4 541 398 367 237 825 364 518 679 578 199 566 180 894 275 273 305 805 933 524 30 576 707 437 38 513 762 56 349 785 186 461 15 44 991 366 42...

result:

ok ok

Test #13:

score: 0
Accepted
time: 40ms
memory: 4372kb

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
235
1 8 241 545 810 270 530 700 627 859 
859 6 671 881 253 372 981 492 
492 5 6 856 918 738 7 
7 1 800 
800 5 157 436 246 193 260 
260 1 51 
51 3 891 839 532 
532 3 331 321 494 
494 3 487 263 121 
121 2 404 945 
945 5 104 850 173 305 474 
474 7 733 259 909 529 725 286 499 
499 1 807 
807 1 599 
...

result:

ok ok

Test #14:

score: 0
Accepted
time: 26ms
memory: 7460kb

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
899
1 1 249 
249 1 302 
302 2 839 618 
618 1 919 
919 1 243 
243 2 367 440 
440 1 636 
636 1 70 
70 1 973 
973 1 86 
86 1 887 
887 2 170 127 
127 1 721 
721 1 92 
92 1 619 
619 1 507 
507 1 205 
205 2 824 181 
181 1 418 
418 1 318 
318 1 239 
239 1 981 
981 3 722 845 398 
398 1 351 
351 1 464 
4...

result:

ok ok

Test #15:

score: -100
Wrong Answer
time: 40ms
memory: 3556kb

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:


result:

wrong output format Unexpected end of file - token expected