QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#34179#4230. Leaderboard EffectHeltion#AC ✓1357ms212824kbC++201.5kb2022-06-05 22:09:122022-06-05 22:09:14

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-06-05 22:09:14]
  • 评测
  • 测评结果:AC
  • 用时:1357ms
  • 内存:212824kb
  • [2022-06-05 22:09:12]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
using LD = long double;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, t;
    cin >> n >> t;
    vector<int> r(n), c(n);
    vector<LD> p(n);
    for (int i = 0; i < n; i += 1) cin >> r[i] >> c[i] >> p[i];
    vector f(t + 1, vector<LD>(n));
    vector g(t + 1, vector<LD>(1 << n));
    g[0][(1 << n) - 1] = 1;
    for (int i = 0; i < t; i += 1) {
        for (int j = 0; j < n; j += 1)
            f[i + 1][j] += f[i][j];
        for (int j = 0; j < (1 << n); j += 1)
            if (g[i][j]) {
                LD fm = 0, ct = 0;
                for (int k = 0; k < n; k += 1)
                    if ((j >> k) & 1) {
                        fm += f[i][k];
                        ct += 1;
                    }
                for (int k = 0; k < n; k += 1)
                    if ((j >> k) & 1) {
                        LD pr = fm ? f[i][k] / fm : 1 / ct;
                        if (pr) {
                            if (i + r[k] <= t)
                                g[i + r[k]][j ^ (1 << k)] += g[i][j] * pr * (1 - p[k]);
                            if (i + r[k] + c[k] <= t) {
                                f[i + r[k] + c[k]][k] += g[i][j] * pr * p[k];
                                g[i + r[k] + c[k]][j ^ (1 << k)] += g[i][j] * pr * p[k];
                            }
                        }
                    }
            }
    }
    for (auto fi : f[t]) cout << fixed << setprecision(20) << fi << "\n";
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 3856kb

input:

4 42
10 10 0.75
10 10 0.75
10 12 1
10 12 1

output:

0.45625000000000000001
0.45625000000000000001
0.29687500000000000000
0.29687500000000000000

result:

ok 4 numbers

Test #2:

score: 0
Accepted
time: 2ms
memory: 3712kb

input:

4 42
10 12 0.75
10 12 0.75
10 10 1
10 10 1

output:

0.20312500000000000000
0.20312500000000000000
0.68323863636363636363
0.68323863636363636363

result:

ok 4 numbers

Test #3:

score: 0
Accepted
time: 2ms
memory: 3824kb

input:

5 100
40 60 0.6
40 61 1
10 40 0.3
10 40 0.4
10 40 0.5

output:

0.12000000000000000000
0.00000000000000000000
0.11262857142857142859
0.15973968253968253969
0.20644444444444444444

result:

ok 5 numbers

Test #4:

score: 0
Accepted
time: 264ms
memory: 55944kb

input:

15 100
4 14 0.954205412740471
5 11 0.264054003774017
1 7 0.521673865442381
3 12 0.6756938980261
1 15 0.980129050876819
2 12 0.836645892885326
10 3 0.959863273940343
13 6 0.230786407526669
3 13 0.0575791282076707
6 5 0.706328060881614
1 15 0.662404274712202
2 13 0.715327416279894
11 2 0.9275847467499...

output:

0.54668836009203605134
0.05551901824213992261
0.39362139111512301653
0.35087491975478210963
0.66742440911959154625
0.57122251293715968452
0.79995221661243068366
0.04000540433893953527
0.00614504871959888833
0.55125623184380997949
0.29998903303469590234
0.39126058327480315194
0.76047492422599132210
0...

result:

ok 15 numbers

Test #5:

score: 0
Accepted
time: 613ms
memory: 108092kb

input:

16 100
1 8 0.203833126785817
1 10 0.551151943064124
1 12 0.996220861387656
1 7 0.198656409543208
2 2 0.467994369421028
8 3 0.201277956430612
1 10 0.33397726300295
1 8 0.223430703554389
3 12 0.715363922664928
9 6 0.883743052774488
1 9 0.51636293824285
2 7 0.00210327442137626
6 11 0.978989778915285
1 ...

output:

0.08588048070492942615
0.42529273154636671055
0.93741115213716640330
0.09222495699047236765
0.43399593846182311582
0.07552292684403203415
0.17343079640767914581
0.10175299658552264837
0.53493333931145085457
0.76513888617242374423
0.40857003079337223106
0.00023454518291695144
0.83749109875028283196
0...

result:

ok 16 numbers

Test #6:

score: 0
Accepted
time: 62ms
memory: 108096kb

input:

16 100
36 30 0.246284470931766
40 2 0.00729886464249319
34 9 0.969806174971755
2 27 0.700168809611093
2 49 0.00964738878291982
11 13 0.843818712396597
23 15 0.015695164745825
2 11 0.860911871987035
8 39 0.759047449661107
33 17 0.156016479857797
5 40 0.704380590007194
2 36 0.0742940485679995
13 17 0....

output:

0.02241736441437572776
0.00067198746859231575
0.18813400452602550203
0.26740219606238851459
0.00080645224944633292
0.48120717281425315297
0.00150862400681100832
0.72890064007684276349
0.09353024688396185707
0.01441575388489400798
0.10047945221036762319
0.00790530034466072124
0.01610834593573616258
0...

result:

ok 16 numbers

Test #7:

score: 0
Accepted
time: 2ms
memory: 3724kb

input:

2 100
44 23 0.344489870631275
18 13 0.617983603136949

output:

0.34448987063127500000
0.61798360313694899998

result:

ok 2 numbers

Test #8:

score: 0
Accepted
time: 1357ms
memory: 212612kb

input:

17 100
1 6 0.618966248907732
1 6 0.126915204708293
4 7 0.35153234988752
2 3 0.0368548187261588
1 5 0.299571483949073
1 12 0.944530094804986
3 12 0.249408160616937
1 11 0.91317090384857
5 8 0.377638681694897
4 12 0.639080155811651
1 4 0.809300766237897
8 5 0.812731204986182
1 10 0.480107932016118
7 1...

output:

0.60972059866033335909
0.06641629090845206544
0.27596479348733367313
0.01163166615201631805
0.26539687385289337137
0.92761872472416292252
0.11045245334090534405
0.90002284130407104621
0.27245477747470554927
0.54441906435362974145
0.80755700962378858785
0.78743827523542380287
0.42419747795768168280
0...

result:

ok 17 numbers

Test #9:

score: 0
Accepted
time: 771ms
memory: 181740kb

input:

17 85
8 6 0.9977
1 4 0.9459
5 9 0.0733
2 9 0.759
9 6 0.921
5 6 0.2015
2 8 0.9407
8 10 0.7806
5 3 0.864
4 4 0.0777
9 3 0.9518
8 2 0.8221
10 9 0.2471
4 8 0.4679
7 6 0.603
3 2 0.4067
5 5 0.8879

output:

0.58672451925085352726
0.91295342093797276882
0.00658061685952919117
0.42105608679299637116
0.46074979157654574486
0.03150303854214339347
0.74982986241219045813
0.24689805555974362191
0.74161588587362550074
0.00871655850178168931
0.63433833796624744533
0.59940764444686041724
0.03096626434331925797
0...

result:

ok 17 numbers

Test #10:

score: 0
Accepted
time: 757ms
memory: 181844kb

input:

17 85
9 7 0.0563
7 7 0.1979
9 3 0.7689
1 6 0.0291
7 7 0.9631
5 8 0.847
8 6 0.6752
2 9 0.0396
4 2 0.6747
8 3 0.1071
8 4 0.5134
9 7 0.7491
6 8 0.3134
3 1 0.8355
4 5 0.5561
1 10 0.372
9 9 0.4515

output:

0.00549407678748756448
0.03723779887460487808
0.62943725336130418427
0.00354346585554060407
0.78102352796223358563
0.67715793995596022873
0.41080643346000578306
0.00374388324681877436
0.64244092963195119085
0.01655332319516672380
0.30380512333644084746
0.42383167702539645651
0.08619828728229880609
0...

result:

ok 17 numbers

Test #11:

score: 0
Accepted
time: 848ms
memory: 181752kb

input:

17 85
1 7 0.1344
5 8 0.99
8 3 0.437
4 9 0.1375
3 2 0.8208
1 8 0.5922
10 6 0.655
8 5 0.8043
2 5 0.8447
5 10 0.3305
9 3 0.725
1 8 0.0394
6 5 0.8091
8 7 0.6427
9 6 0.7282
4 7 0.1024
1 6 0.4222

output:

0.02711503392991635562
0.79243715603432841762
0.20619677812333994457
0.02044318433790967314
0.79747439340083091158
0.42687880971313619139
0.28520394599287391473
0.55188337881167394406
0.79282214039892287669
0.08161989315021482071
0.49829325401456582209
0.00412195807433574443
0.64301075041209664740
0...

result:

ok 17 numbers

Test #12:

score: 0
Accepted
time: 737ms
memory: 181992kb

input:

17 85
10 2 0.6556
3 1 0.7738
1 8 0.9047
3 10 0.9973
10 4 0.5266
8 1 0.4384
5 3 0.3559
3 6 0.7999
8 6 0.9665
3 4 0.142
7 5 0.0319
6 3 0.4056
6 10 0.0477
8 10 0.1334
5 8 0.8102
8 8 0.6
7 5 0.318

output:

0.39728912747579149382
0.76142213097162264292
0.83152020440142030609
0.78082779802580722794
0.19624488892875799776
0.25409023598682602748
0.19070461213892969104
0.70361578620250506068
0.68028081591440285505
0.03555314122570714190
0.00259538940010823550
0.21120365882171380756
0.00395478562594186420
0...

result:

ok 17 numbers

Test #13:

score: 0
Accepted
time: 39ms
memory: 212636kb

input:

17 100
10 41 0.986344070444954
38 40 0.13596976314146
23 65 0.589188420670698
23 41 0.862487981086339
66 62 0.756039635351495
84 82 0.466671597793749
17 74 0.451825236037525
97 49 0.785964886639839
76 26 0.432545432217108
10 33 0.495053202758143
35 72 0.437261903429889
55 95 0.333190022475783
83 56 ...

output:

0.07155790503019076151
0.00853195111739396568
0.03578150533929467923
0.05741746624954843057
0.00000000000000000000
0.00000000000000000000
0.02657795506103088235
0.00000000000000000000
0.00000000000000000000
0.07617775492646394234
0.00000000000000000000
0.00000000000000000000
0.00000000000000000000
0...

result:

ok 17 numbers

Test #14:

score: 0
Accepted
time: 57ms
memory: 212824kb

input:

17 100
52 66 0.608312285077897
77 36 0.182402129968963
43 16 0.906840075497175
75 100 0.508033408075313
25 60 0.688919263266595
84 59 0.17045120790047
75 9 0.831462171228754
16 69 0.185113485186001
71 54 0.372346884200038
90 65 0.235248490382517
62 50 0.917089563798644
47 45 0.717838729472597
56 51 ...

output:

0.00000000000000000000
0.00000000000000000000
0.06028281441406229047
0.00000000000000000000
0.04155354455217949851
0.00000000000000000000
0.05264228817170953664
0.01116549044863773569
0.00000000000000000000
0.00000000000000000000
0.00000000000000000000
0.04266142811268726464
0.00000000000000000000
0...

result:

ok 17 numbers

Test #15:

score: 0
Accepted
time: 2ms
memory: 3820kb

input:

5 40
10 8 0.9
10 9 0.9
10 10 0.9
10 11 0.9
10 12 0.9

output:

0.53849999999999999993
0.37649999999999999998
0.24150000000000000000
0.23850000000000000000
0.23850000000000000000

result:

ok 5 numbers