QOJ.ac
QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#716473 | #9525. Welcome to Join the Online Meeting! | guanghere | AC ✓ | 146ms | 39596kb | C++23 | 2.3kb | 2024-11-06 15:21:38 | 2024-11-06 15:21:39 |
Judging History
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";
}
std::cout << std::flush;
return 0;
}
}
std::cout << "No\n";
}
这程序好像有点Bug,我给组数据试试?
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3756kb
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: 3628kb
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: 3624kb
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: 3576kb
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: 66ms
memory: 36956kb
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: 60ms
memory: 36168kb
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: 78ms
memory: 36448kb
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: 43ms
memory: 32512kb
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: 33ms
memory: 18756kb
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: 34ms
memory: 21232kb
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: 42ms
memory: 21220kb
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: 36ms
memory: 3688kb
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: 4496kb
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: 22ms
memory: 7400kb
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: 0
Accepted
time: 41ms
memory: 3572kb
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: 40ms
memory: 3836kb
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: 51ms
memory: 9380kb
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 8677 1 1 5604 5604 1 7605 7605 1 6401 6401 1 1630 1630 1 1082 1082 1 1247 1247 2 4142 7591 7591 1 5402 5402 2 5785 4868 4868 1 5887 5887 1 7658 7658 1 7640 7640 1 3351 3351 1 2506 2506 1 203 203 1 9837 9837 1 2262 2262 1 1841 1841 1 9504 9504 1 3844 3844 1 7797 7797 1 759 7...
result:
ok ok
Test #18:
score: 0
Accepted
time: 49ms
memory: 10372kb
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 9899 1 1 9149 9149 1 4615 4615 1 8457 8457 1 3046 3046 1 6912 6912 1 7307 7307 1 147 147 1 2395 2395 1 872 872 1 7728 7728 1 7628 7628 1 5402 5402 1 9774 9774 1 3163 3163 1 6135 6135 1 7620 7620 1 5208 5208 1 5193 5193 1 8763 8763 1 5530 5530 1 6827 6827 1 8616 8616 1 1857 ...
result:
ok ok
Test #19:
score: 0
Accepted
time: 77ms
memory: 11788kb
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 19301 1 1 6778 6778 1 16530 16530 1 16618 16618 1 15188 15188 1 77 77 1 9214 9214 1 15405 15405 1 19432 19432 1 6013 6013 1 14988 14988 1 16084 16084 1 11883 11883 1 9253 9253 1 1152 1152 1 8377 8377 1 7986 7986 1 2495 2495 1 2825 2825 1 9701 9701 1 14598 14598 1 16325 16325...
result:
ok ok
Test #20:
score: 0
Accepted
time: 80ms
memory: 11736kb
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 19139 1 1 12128 12128 1 6615 6615 1 14109 14109 1 18795 18795 1 18050 18050 1 15025 15025 1 1641 1641 1 2739 2739 1 13482 13482 1 3106 3106 1 4472 4472 1 4168 4168 1 6477 6477 1 14749 14749 1 18106 18106 1 6571 6571 1 10463 10463 1 11277 11277 1 2049 2049 1 11791 11791 1 1887...
result:
ok ok
Test #21:
score: 0
Accepted
time: 100ms
memory: 25696kb
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: 116ms
memory: 26004kb
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 90450 1 1 16265 16265 1 771 771 1 77662 77662 1 49505 49505 1 91008 91008 1 93469 93469 1 85461 85461 1 87629 87629 1 53658 53658 1 90605 90605 1 37269 37269 1 81093 81093 1 8433 8433 1 55437 55437 1 13805 13805 1 18085 18085 1 84078 84078 1 6995 6995 1 11149 11149 1 54573 54...
result:
ok ok
Test #23:
score: 0
Accepted
time: 114ms
memory: 26004kb
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 90507 1 1 79657 79657 1 37013 37013 1 69480 69480 1 66579 66579 1 62610 62610 1 13251 13251 1 77225 77225 1 2335 2335 1 52830 52830 1 86331 86331 1 79033 79033 1 82147 82147 1 93075 93075 1 50503 50503 1 61127 61127 1 27489 27489 1 28776 28776 1 11605 11605 1 48938 48938 1 673...
result:
ok ok
Test #24:
score: 0
Accepted
time: 123ms
memory: 26084kb
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 90407 1 1 63233 63233 1 75278 75278 1 42712 42712 1 31241 31241 1 63265 63265 1 55719 55719 1 92483 92483 1 47086 47086 1 73387 73387 1 55491 55491 1 28596 28596 1 75631 75631 1 2174 2174 1 93896 93896 1 21833 21833 1 87825 87825 1 62030 62030 1 99990 99990 1 84317 84317 1 704...
result:
ok ok
Test #25:
score: 0
Accepted
time: 57ms
memory: 22608kb
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: 50ms
memory: 21564kb
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: 128ms
memory: 39344kb
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: 119ms
memory: 39596kb
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: 146ms
memory: 39256kb
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 164527 1 1 190782 190782 1 15819 15819 1 159187 159187 1 17201 17201 1 167955 167955 1 181339 181339 1 181570 181570 1 168980 168980 1 160291 160291 1 80652 80652 1 7607 7607 1 131159 131159 1 145032 145032 1 106788 106788 1 127705 127705 1 56789 56789 1 70545 70545 1 85423 854...
result:
ok ok
Test #30:
score: 0
Accepted
time: 71ms
memory: 20564kb
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 2 3 3 1 4 4 1 5 5 4 8 7 6 9 8 1 11 7 1 10 9 1 12 10 1 13 12 1 14 14 1 15 15 2 17 16 17 2 19 18 19 2 20 21 21 2 23 22 23 2 25 26 22 1 24 25 1 27 26 2 28 29 28 2 31 30 29 1 32 32 2 33 34 33 2 35 36 34 1 37 35 1 38 36 2 40 39 37 1 41 38 2 42 43 40 1 47 39 3 45 44 4...
result:
ok ok
Test #31:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
2 1 1 1 1 2
output:
Yes 1 2 1 1
result:
ok ok
Test #32:
score: 0
Accepted
time: 0ms
memory: 3756kb
input:
2 1 0 1 2
output:
Yes 1 1 1 2
result:
ok ok
Extra Test:
score: 0
Extra Test Passed