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
#784270#6660. 택시 여행guosoun0 229ms66836kbC++173.2kb2024-11-26 14:22:112024-11-26 14:22:11

Judging History

你现在查看的是最新测评结果

  • [2024-11-26 14:22:11]
  • 评测
  • 测评结果:0
  • 用时:229ms
  • 内存:66836kb
  • [2024-11-26 14:22:11]
  • 提交

answer

#include <bits/stdc++.h>
// #include "../cpp-dump/cpp-dump.hpp"
template<class T>
void chkmin(T &x, const T &y) {
  if (x > y) x = y;
} 
using ll = long long;

struct sgt {
  struct line { 
    ll k, b;
    ll eval(ll x) { return k * x + b; }
  };
  static int const BUF = 2e6;
  static line tr[BUF];
  static int ls[BUF], rs[BUF], ntot;

  int rt;
  ll l, r;
  void insert(int &i, ll l, ll r, line li) {
    if (!i) return tr[i = ++ntot] = li, void();
    auto mid = (l + r) >> 1;
    if (li.eval(mid) < tr[i].eval(mid)) std::swap(li, tr[i]);
    if (li.eval(l) < tr[i].eval(l)) insert(ls[i], l, mid, li);
    if (li.eval(r) < tr[i].eval(r)) insert(rs[i], mid + 1, r, li);
  }
  ll query(int i, ll l, ll r, ll p) {
    if (!i) return 1e18;
    auto mid = (l + r) >> 1;
    if (p <= mid) return std::min(query(ls[i], l, mid, p), tr[i].eval(p));
    else return std::min(query(rs[i], mid + 1, r, p), tr[i].eval(p));
  }
  sgt(ll l, ll r) : rt(0), l(l), r(r) {}
  void insert(line li) { insert(rt, l, r, li); }
  auto query(ll p) { return query(rt, l, r, p); }  
};

sgt::line sgt::tr[sgt::BUF];
int sgt::ls[sgt::BUF], sgt::rs[sgt::BUF], sgt::ntot;

std::vector<ll> travel(std::vector<ll> a, std::vector<int> b,
                       std::vector<int> u, std::vector<int> v,
                       std::vector<int> w) {
  int n = a.size();
  a.insert(a.begin(), 0), b.insert(b.begin(), 0);
  std::vector<std::vector<std::pair<int, int>>> g(n + 1);
  for (int i = 0; i < n - 1; i++) {
    ++u[i], ++v[i];
    g[u[i]].emplace_back(v[i], w[i]);
    g[v[i]].emplace_back(u[i], w[i]);
  }
  std::vector<std::vector<std::pair<int, ll>>> h(n + 1);
  std::vector<int> vis(n + 1);
  auto build = [&](auto &self, int u) -> void {
    int tot = 0;
    auto dfs1 = [&](auto &self, int u, int ff) -> void {
      tot += 1;
      for (auto [v, w] : g[u])
        if (v != ff && !vis[v]) self(self, v, u);
    };
    int rt = 0;
    auto dfs2 = [&](auto &self, int u, int ff) -> int {
      int ret = 1;
      for (auto [v, w] : g[u])
        if (v != ff && !vis[v]) ret += self(self, v, u);
      if (ret * 2 >= tot && !rt) rt = u;
      return ret;
    };
    dfs1(dfs1, u, 0), dfs2(dfs2, u, 0);
    auto dfs3 = [&](auto &self, int u, int ff, ll d) -> void {
      h[u].emplace_back(rt, d);
      for (auto [v, w] : g[u])
        if (v != ff && !vis[v])
          self(self, v, u, d + w);
    };
    dfs3(dfs3, rt, 0, 0);
    vis[rt] = 1;
    for (auto [v, w] : g[rt])
      if (!vis[v])
        self(self, v);
  };
  build(build, 1);
  // cpp_dump(h);
  std::vector<sgt> tr(n + 1, sgt(0, 1e11));
  auto query = [&](int u) {
    ll ret = 1e18;
    for (auto [id, dis] : h[u])
      chkmin(ret, tr[id].query(dis));
    return ret;
  };
  auto update = [&](int u, ll d) {
    for (auto [id, dis] : h[u])
      tr[id].insert({b[u], a[u] + d + b[u] * dis});
  };
  std::vector<int> id(n - 1);
  std::iota(id.begin(), id.end(), 2);
  std::sort(id.begin(), id.end(), [&](int u, int v) { return b[u] < b[v]; });
  update(1, 0);
  for (int i : id) {
    auto d = query(i);
    update(i, d);
  }
  std::vector<ll> ret;
  for (int i = 2; i <= n; i++)
    ret.push_back(query(i));
  return ret;
}

详细

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 7
Accepted
time: 1ms
memory: 6120kb

input:

2
684124582850 713748627948
74361 256955
0 1 661088

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
733283747618
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I

result:

ok 3 lines

Test #2:

score: 7
Accepted
time: 0ms
memory: 5836kb

input:

3
251115773325 363097865287 358609487841
826785 213106 914768
0 1 851938
2 0 231697

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
955485332655
442679377470
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I

result:

ok 4 lines

Test #3:

score: 7
Accepted
time: 0ms
memory: 5936kb

input:

3
489998888627 318672977903 70353752652
258347 458793 258657
2 1 156120
0 2 524840

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
665922861747
625589728107
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I

result:

ok 4 lines

Test #4:

score: 7
Accepted
time: 1ms
memory: 5808kb

input:

3
737471938521 315388610250 818943569900
726908 666797 564862
0 1 460302
0 2 785280

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
1072069144737
1308298252761
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I

result:

ok 4 lines

Test #5:

score: 7
Accepted
time: 1ms
memory: 5864kb

input:

4
201836820267 208957719162 992553400562 566050337171
243994 65303 590123 936951
1 0 259719
0 3 860376
3 2 513584

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
265206697953
537074816507
411763402011
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I

result:

ok 5 lines

Test #6:

score: 7
Accepted
time: 0ms
memory: 5936kb

input:

4
440719935569 160237864481 704297665373 767778991240
451998 371509 46564 828427
1 0 861960
1 3 830699
2 3 185693

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
830324131649
1289731282865
1205798418251
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I

result:

ok 5 lines

Test #7:

score: 7
Accepted
time: 1ms
memory: 5860kb

input:

5
148262899914 9382086008 622202345986 443806901161 213829280326
178155 503016 333953 572340 461148
0 3 453941
3 2 84057
4 0 171136
3 1 598794

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
335812903839
244109933604
229134758769
178751633994
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I

result:

ok 6 lines

Test #8:

score: 7
Accepted
time: 1ms
memory: 6148kb

input:

5
391440982512 969252165920 333946610796 649830522527 902812044171
522045 996458 225429 545971 667483
0 1 701500
0 4 514779
2 1 435377
3 0 919439

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
757655550012
984941935977
871429515267
660178785567
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I

result:

ok 6 lines

Test #9:

score: 7
Accepted
time: 1ms
memory: 5872kb

input:

17
315015458526 65513576283 829720084774 654640079244 561177336848 463903843105 496216524512 837433489064 92734412345 807145138979 250511786518 915329126804 373916658654 78276842047 121976569238 432447179015 519384539551
696133 642473 231377 987220 589587 337763 790202 785083 249580 108311 73808 892...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
430639669161
417840567823
403532946274
499079112962
498466070651
495984520010
499402357184
501387707132
498265325456
501233852966
474661031682
494612046266
411867746683
497598865088
499819422548
496976423075
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I

result:

ok 18 lines

Test #10:

score: 7
Accepted
time: 1ms
memory: 5900kb

input:

20
764145449871 794297102632 450082553736 427358261877 587251097098 98567356955 15910789509 321286084089 25839798358 969219436118 975479420690 937908953492 410498404545 180209954689 302999489632 849828117651 171771046425 800442975277 295169929534 146003957886
828538 724406 733109 79844 665172 652593...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
1384833390877
871900130923
1446847771547
1245326093057
924349900475
1046486123707
1063981383357
864751505059
1159443240947
824076089025
1448542597977
1486181926466
1488465960086
1424780088987
1478403270966
1303312410681
1485431478966
1135576549657
1412080059777...

result:

ok 21 lines

Test #11:

score: 7
Accepted
time: 0ms
memory: 5944kb

input:

20
286866076510 666296858783 319893290745 436172872006 579306725182 388780143357 429085643976 163864091991 334402956892 573150791451 971047548996 924353133556 82495144441 364862686518 76783079529 74022380610 978776791995 17833817791 637808249822 150520055702
705613 111460 694926 702547 748042 671482...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
1345583882860
995125125260
815198043938
1295987956432
1034264067144
888082221934
1247814963646
1225117709350
631676569994
1289347270738
404306893004
1347095564962
373415155864
1441975557454
1167058795516
1091947224281
1373264198836
795244013911
1127743556434
se...

result:

ok 21 lines

Test #12:

score: 7
Accepted
time: 1ms
memory: 6160kb

input:

20
161996998737 15089127085 28063038428 574601167323 736141386895 762192247356 788118187801 956063872362 580983462657 839554694910 471536078792 781164874294 363054673222 809510755913 153755418459 78171544930 969593469579 864779185396 408120998971 610129629325
933618 563940 506188 824442 64614 396381...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
1870873819056
1340292002469
2180029603234
1667979150565
2084831816447
1131232525437
1898452835615
1742994070672
2139665843266
1042857179175
2148449164384
1856727805178
2077059488718
1931794896836
1753987714167
1864830429393
1705470391803
1529058594761
197326523...

result:

ok 21 lines

Test #13:

score: 7
Accepted
time: 1ms
memory: 5852kb

input:

20
443174843835 295023765677 175861678382 805210665445 724299682774 889923334441 967560897715 857729286838 7238459275 901083586058 887820756720 681912091803 886476957360 821901344613 222491154905 602669810322 953890359316 822857333786 674877086360 498973934687
505612 0 0 0 913180 49780 0 0 0 0 0 0 0...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
737522649521
561660971139
737522649521
737522649521
737522649521
737522649521
637744453675
737522649521
737522649521
737522649521
737522649521
737522649521
737522649521
737522649521
737522649521
737522649521
608216207263
737522649521
737522649521
secret: XBNN6R...

result:

ok 21 lines

Test #14:

score: 7
Accepted
time: 1ms
memory: 5864kb

input:

20
903941728884 384581140226 453502499061 225752209240 885300062423 504103937164 667092163600 460139456041 109118743857 207444296671 30492319139 345381827436 453966959387 438774451871 860637725773 554202343964 68114298125 781071441103 276250637196 155641220254
635683 100430 56855 0 0 0 0 0 0 142765 ...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
1792855089572
1792855089572
1792855089572
1792855089572
1792855089572
1792855089572
1332715633531
1792855089572
1792855089572
1792855089572
1792855089572
1792855089572
1792855089572
1792855089572
1792855089572
1792855089572
1792855089572
1792855089572
179285508...

result:

ok 21 lines

Test #15:

score: 0
Wrong Answer
time: 1ms
memory: 5852kb

input:

20
1000000000000 7 1000000000000 13 1000000000000 1000000000000 13 5 1000000000000 1 1000000000000 1000000000000 12 6 1000000000000 3 16 18 10 7
1000000 999999 1000000 999997 1000000 1000000 999994 999993 1000000 999991 1000000 1000000 999988 999987 1000000 999985 999984 999983 999982 999981
0 1 691...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
1691757000000
2096049595714
2464529227234
2563765127998
3034749289350
3885773736269
4460801011182
4641764468290
4842050867429
5574189869481
6059287958875
6615413622101
7286479000014
7388456082212
8143398287671
8628120925128
8760521733510
9298930887784
934428847...

result:

wrong answer 5th lines differ - expected: '2563764929539', found: '2563765127998'

Subtask #2:

score: 0
Wrong Answer

Test #31:

score: 0
Wrong Answer
time: 177ms
memory: 66836kb

input:

100000
746699125678 374834842799 250803643493 620187038832 454433387570 406226564003 897157438699 99473514061 734784419618 503968957100 363935477037 277126009840 52078020050 990757079812 847235285349 950784717285 271017141367 861087225700 996035427219 520682200664 282013988419 415183977876 882007771...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
1148030742334
1636760433058
2131282232650
2353514637869
2672707119337
2763307672337
3003543484926
3059216601498
3109347572318
3173036690606
3224306800424
3269329387652
3324613979094
3328434230236
3342554792694
3391237344396
3417184791476
3419985316546
343705790...

result:

wrong answer 8th lines differ - expected: '2948215735597', found: '3003543484926'

Subtask #3:

score: 0
Skipped

Dependency #1:

0%

Subtask #4:

score: 0
Wrong Answer

Test #69:

score: 0
Wrong Answer
time: 95ms
memory: 34048kb

input:

100000
15175010 23519365 21177669 27079342 9089 16784452 29693960 23124925 17048604 10179491 12828214 24992902 8483134 2928073 23807522 7332137 17421520 28460746 1607282 13224363 11900728 11794692 11495061 4687109 23460275 7657982 27417256 16978162 7326803 23083826 24942987 16610314 12147303 2828271...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
16817058
...

result:

wrong answer 2nd lines differ - expected: '16705757', found: '16817058'

Subtask #5:

score: 0
Wrong Answer

Test #94:

score: 29
Accepted
time: 85ms
memory: 33564kb

input:

99281
551670361798 568902251563 418071776626 697635341894 641578820039 117221079324 812766431051 425410617978 663769685693 282144284527 799662290178 749088952784 586626406385 122473825417 459510657357 871705247919 443707710712 735612808044 237919555727 829939639783 122127143240 616906466299 24431898...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
598598746654
5...

result:

ok 99282 lines

Test #95:

score: 29
Accepted
time: 102ms
memory: 37820kb

input:

100000
762048253398 544847923340 274220772253 709492519024 93107863549 990677171512 878434244170 777350365410 575870270443 928311965336 349432073756 948390047110 470116186153 495432094032 154258868766 719518553291 580490378718 661863092617 453262793865 191963964294 783054160061 953488248260 99347544...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
764692690700
7...

result:

ok 100001 lines

Test #96:

score: 29
Accepted
time: 144ms
memory: 43148kb

input:

94281
131658172659 39811340435 707706551378 488270943344 316094085836 187344969354 859815132521 257455926058 398461451565 636824600504 968337263051 657378201148 381422070176 704193397218 215057852195 143696981366 245020143023 544889243460 19853724068 381481133078 270430609102 661194702920 9327187294...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
513000148750
5...

result:

ok 94282 lines

Test #97:

score: 29
Accepted
time: 188ms
memory: 51148kb

input:

98013
219274952148 967847968840 993514312942 249215975388 377408063086 409277664478 513688960578 870781013811 5313297905 381786485971 932846528432 355907313844 568982393234 615505455703 556586556337 580222086746 513159753737 447726612888 849878699364 872433100635 459323693660 591180592643 9928561494...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
397148182990
3...

result:

ok 98014 lines

Test #98:

score: 29
Accepted
time: 229ms
memory: 50504kb

input:

100000
793084247557 856407004352 124019471672 758580217324 391555277659 748332370727 824874943785 454763878407 172204390651 200693040566 241971294452 420325832639 276303819033 490288760803 518648078771 428578774460 552156115324 270613111346 564717918818 914239531441 363337438048 359070665547 4058804...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
1347236750935
1347236750935
1347236750935
1347236750935
1347236750935
1347236750935
1347236750935
1347236750935
1347236750935
1347236750935
1347236750935
1347236750935
1347236750935
1347236750935
1347236750935
1347236750935
1347236750935
1347236750935
134723675...

result:

ok 100001 lines

Test #99:

score: 29
Accepted
time: 78ms
memory: 33700kb

input:

100000
186878865231 744364257898 407647146449 178229661742 142659258467 867497410431 566102005411 743741769325 966116499644 374901320569 460953729268 166466122244 599772360298 778326103398 923306353276 541041861259 456336739387 460166266166 277100384431 124520154825 91585321170 808947541069 49305171...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
199304498331
1...

result:

ok 100001 lines

Test #100:

score: 29
Accepted
time: 105ms
memory: 39288kb

input:

100000
701868643554 195683029255 191726673386 60711384096 246001015103 235534486089 867356428487 679339700226 266886499198 165357218261 892542762609 49935133853 78861964822 648163497576 458431664651 259806246005 944174571815 556122544299 640157239681 239448194098 270814892412 832337696089 1764039054...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
786865661638
7...

result:

ok 100001 lines

Test #101:

score: 29
Accepted
time: 172ms
memory: 47736kb

input:

100000
438739740535 795928502119 872639081700 294554691174 226473457726 440783927287 150198126950 915922926283 516380773321 487345449103 452763239700 807838622400 226343342171 740475572228 441100842060 488895978441 476807788781 262972018901 384528067019 387913043837 839407743741 462422811237 7784206...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
865668346868
8...

result:

ok 100001 lines

Test #102:

score: 0
Wrong Answer
time: 219ms
memory: 51588kb

input:

100000
694640698205 388240595320 449732757362 105097389837 586358675392 161335658819 425877820487 740670399542 410740826602 978399832816 430048583471 246136844716 701889327015 378563563646 252509017658 388896850779 573768686022 926987324089 60052463883 832676326751 23069584465 214255472478 621178722...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
5905662632079
6940012991589
6049969362753
6563950643703
6706517228565
5979035434197
7049015775447
6787636040961
6982502711625
6169664677551
6350990061459
6110691370983
6640971888417
6164404198737
6600093406053
6778448883309
5652625763967
6539248535817
621628424...

result:

wrong answer 2nd lines differ - expected: '4111303149419', found: '5905662632079'

Subtask #6:

score: 0
Skipped

Dependency #1:

0%