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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#406605#6660. 택시 여행hotboy27030 371ms105592kbC++143.7kb2024-05-07 15:10:082024-05-07 15:10:08

Judging History

你现在查看的是最新测评结果

  • [2024-05-07 15:10:08]
  • 评测
  • 测评结果:0
  • 用时:371ms
  • 内存:105592kb
  • [2024-05-07 15:10:08]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#define BIT(mask,i) (((mask) >> (i))&1LL)
#define MASK(i) (1LL << (i))
#define MP make_pair
#define pll pair <ll,ll>
#define fi first
#define se second
#define sz(a) (ll((a).size()))

struct Line {
	mutable ll k, m, p;
	bool operator<(const Line& o) const { return k > o.k; }
	bool operator<(ll x) const { return p < x; }
};
const ll INF = 3e18;
struct LineContainer : multiset<Line, less<>> {
	// (for doubles, use inf = 1/.0, div(a,b) = a/b)
	static const ll inf = LLONG_MAX;
	ll div(ll a, ll b) { // floored division
		return a / b - ((a ^ b) < 0 && a % b); }
	bool isect(iterator x, iterator y) {
		if (y == end()) return x->p = inf, 0;
		if (x->k == y->k) x->p = x->m > y->m ? inf : -inf;
		else x->p = div(y->m - x->m, x->k - y->k);
		return x->p >= y->p;
	}
	void add(ll k, ll m) {
		auto z = insert({k, m, 0}), y = z++, x = y;
		while (isect(y, z)) z = erase(z);
		if (x != begin() && isect(--x, y)) isect(x, y = erase(y));
		while ((y = x) != begin() && (--x)->p >= y->p)
			isect(x, erase(y));
	}
	ll query(ll x) {
		if(empty())return INF;
		auto l = *lower_bound(x);
		return l.k * x + l.m;
	}
};
const ll MAXN = 1e5;
vector <pll> g[MAXN+100];
ll a[MAXN+100],b[MAXN+100];
ll full_sz;
ll sz[MAXN+100];
ll pa[MAXN+100];
LineContainer s[MAXN+100];
vector <pll> anc[MAXN+100];
ll dist[MAXN+100];
bool del[MAXN+100];
ll order[MAXN+100];
void dfs_sz(ll u,ll p){
    sz[u] = 1;
    for (auto tmp:g[u]){
        ll v = tmp.fi;
        if (v == p || del[v])continue;
        dfs_sz(v,u);
        sz[u] += sz[v];
    }
}
ll f(ll u,ll p){
    for (auto tmp:g[u]){
        ll v = tmp.fi;
        if (del[v] || v == p)continue;
        if (sz[v] * 2 > full_sz){
            return f(v,u);
        }
    }
    return u;
}
ll find_centroid(ll u){
    dfs_sz(u,u);
    full_sz = sz[u];
    return f(u,u);
}
void dfs_dist(ll u,ll p,ll root){
//    cout<<u<<' '<<p<<' '<<root<<endl;
    if (u == p)dist[u] = 0;
    anc[u].push_back(MP(root,dist[u]));
    for (auto tmp:g[u]){
        ll v = tmp.fi;
        if (v == p || del[v])continue;
        dist[v] = dist[u] + tmp.se;
        dfs_dist(v,u,root);
    }
}
void solve(ll u,ll p){
    pa[u] = p;
    u = find_centroid(u);
    dfs_dist(u,u,u);

    {
        del[u] = 1;
        for (auto v:g[u]){
            if (!del[v.fi])solve(v.fi,u);
        }
    }
}
std::vector<long long> travel(std::vector<long long> A,
        std::vector<int> B, std::vector<int> U, std::vector<int> V, std::vector<int> W)
{
    ll n = sz(A);
    for (ll i = 0;i < n - 1;i ++){
        g[U[i]+1].push_back(MP(V[i]+1,W[i]));
        g[V[i]+1].push_back(MP(U[i]+1,W[i]));
    }
    for (ll i = 0;i < n;i ++)a[i+1] = A[i],b[i+1] = B[i];
    solve(1,1);
    iota(order+1,order+1+n,1);
    sort(order+1,order+1+n,[&](ll x,ll y){return b[x] > b[y];});
    vector <ll> ans(n-1);
    for (ll i = 1;i <= n;i ++){
        ll id = order[i];
        ll res = INF;
        if (id==1)res = 0;
        else {
            for (auto x:anc[id]){
                res = min(res,s[x.fi].query(x.se));
            }
        }
        if (id >= 2)ans[id-2]=res;
        for (auto x:anc[id]){
//            cout<<id<<' '<<x.se<<' '<<b[id]<<' '<<res+a[id]+b[id]*x.se<<'\n';
            s[x.fi].add(b[id],res+a[id]+b[id]*x.se);
        }
    }
    for (ll i = 1;i <= n;i ++){
        ll id = order[i];
        ll res = INF;
        if (id==1)res = 0;
        else {
            for (auto x:anc[id]){
                res = min(res,s[x.fi].query(x.se));
            }
        }
        if (id >= 2)ans[id-2]=min(ans[id-2],res);
    }
    return ans;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 7
Accepted
time: 3ms
memory: 16788kb

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: 16288kb

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: 16548kb

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: 0ms
memory: 16708kb

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: 3ms
memory: 16328kb

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: 16900kb

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: 0ms
memory: 17944kb

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: 0ms
memory: 17324kb

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: 0ms
memory: 17288kb

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: 2ms
memory: 17752kb

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: 16276kb

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: 0ms
memory: 16984kb

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: 0
Wrong Answer
time: 4ms
memory: 17384kb

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
1391041615339
561660971139
1994184147691
945673790751
2338930204301
1593358717855
637744453675
1661839818359
901966161411
1391812673639
1670340167303
1632503704507
1777672493887
1174854058827
1514183417939
1414649650843
608216207263
1803840948559
809679836723
s...

result:

wrong answer 2nd lines differ - expected: '737522649521', found: '1391041615339'

Subtask #2:

score: 0
Wrong Answer

Test #31:

score: 8
Accepted
time: 355ms
memory: 84368kb

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
2948215735597
3003888852169
3054019822989
3117708941277
3168979051095
3214001638323
3269286229765
3273106480907
3287227043365
3335909595067
3361857042147
3364657567217
338173015...

result:

ok 100001 lines

Test #32:

score: 8
Accepted
time: 371ms
memory: 85372kb

input:

99999
199936403206 387848228799 134551775973 379377394692 83082074622 879859342494 648173966597 944650644236 499996263229 902471096917 590863268927 40584929392 906714919013 233728229536 286705399400 944576541664 998941389868 610718110168 422760120374 346110411150 812871715907 273865436932 3195132627...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
697799158816
929607027922
1018095086086
1584613641145
1877765365665
2239699168305
2438089294735
2832345576485
2927526977455
2931605531105
3195571528127
3387289232535
3446336905209
3460262616504
3466765570662
3469379135670
3491001700992
3497511229992
35078529774...

result:

ok 100000 lines

Test #33:

score: 8
Accepted
time: 313ms
memory: 105592kb

input:

100000
56998 11671 13811 25717 14858 88240 42443 83814 1000000000000 76043 96812 1000000000000 1000000000000 1000000000000 1000000000000 1000000000000 96423 8620 1000000000000 1000000000000 21485 33558 27910 1000000000000 1000000000000 1000000000000 1000000000000 88572 61826 1000000000000 22580 8911...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
350836056998
1268196151308
1761927177655
1764058173393
1823989948523
2593985186768
3180555709767
3397318276233
3865405999596
4662149904880
5500125621852
5885446768602
6399152631492
6942124201722
7571623906662
7578166841232
7924285399671
8079299773002
8229842213...

result:

ok 100001 lines

Test #34:

score: 0
Wrong Answer
time: 217ms
memory: 84928kb

input:

100000
14710 1000000000000 25745 978 1000000000000 62317 22444 1000000000000 8347 1000000000000 33719 65677 98665 62278 1000000000000 1000000000000 37800 67542 58652 1000000000000 1000000000000 25465 12743 31814 1000000000000 92966 22056 1000000000000 1067 24490 9396 1000000000000 17174 19345 31055 ...

output:

secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3...

result:

wrong answer 2nd lines differ - expected: '881904014710', found: '3000000000000000000'

Subtask #3:

score: 0
Skipped

Dependency #1:

0%

Subtask #4:

score: 0
Wrong Answer

Test #69:

score: 0
Wrong Answer
time: 120ms
memory: 42732kb

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
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3000000000000000000
3...

result:

wrong answer 2nd lines differ - expected: '16705757', found: '3000000000000000000'

Subtask #5:

score: 0
Wrong Answer

Test #94:

score: 0
Wrong Answer
time: 90ms
memory: 42244kb

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
893583140152
877159063164
911828383399
881562519232
871573385528
860548838731
872949850387
961464813407
902166561328
937681897470
855349082092
892579084209
878037747520
889941434777
917878203868
893915811007
902325741624
841482665297
876048906028
913346240498
9...

result:

wrong answer 2nd lines differ - expected: '598598746654', found: '893583140152'

Subtask #6:

score: 0
Skipped

Dependency #1:

0%