QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#65189#4230. Leaderboard EffectSorting#AC ✓1092ms118024kbC++2.0kb2022-11-27 23:59:342022-11-27 23:59:37

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.
  • [2022-11-27 23:59:37]
  • 评测
  • 测评结果:AC
  • 用时:1092ms
  • 内存:118024kb
  • [2022-11-27 23:59:34]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std ;
#define fi first
#define se second 
typedef long long ll ;
typedef pair < int , int > pii ;

const int MAXTIME = 102 ;
const int MAXN = 17 ;

int n , t ;
int read[ MAXN ] ;
int code[ MAXN ] ;
double prob[ MAXN ] ;

double f[ MAXTIME ][ ( 1 << MAXN ) ] ;
double cnt[ MAXTIME ][ MAXN ] ;

vector < int > v[ ( 1 << MAXN ) ] ;

void solve ( ) {
    cin >> n >> t ;
    for ( int i = 0 ; i < n ; ++ i ) {
        cin >> read[ i ] >> code[ i ] >> prob[ i ] ;
    }
    for ( int mask = 0 ; mask < ( 1 << n ) ; ++ mask ) {
        for ( int i = 0 ; i < n ; ++ i ) {
            if ( ( mask & ( 1 << i ) ) == 0 ) {
                v[ mask ].push_back ( i ) ;
            }
        }
    }
    f[ 0 ][ 0 ] = 1.0 ;
    for ( int wh = 0 ; wh < t ; ++ wh ) {
        for ( int mask = 0 ; mask < ( 1 << n ) ; ++ mask ) {
            double sm = 0.0 ;
            int hh = 0 ;
            for ( auto x : v[ mask ] ) {
                sm += cnt[ wh ][ x ] ;
                ++ hh ;
            }
            for ( auto x : v[ mask ] ) { 
                double coef = cnt[ wh ][ x ] ;
                if ( sm > 0 ) { coef /= sm ; }
                else { coef = 1.0 ; coef /= hh ; }
                if ( wh + read[ x ] <= t ) { 
                    f[ wh + read[ x ] ][ mask + ( 1 << x ) ] += coef * ( 1.0 - prob[ x ] ) * f[ wh ][ mask ] ;
                }
                if ( wh + read[ x ] + code[ x ] <= t ) {
                    f[ wh + read[ x ] + code[ x ] ][ mask + ( 1 << x ) ] += coef * prob[ x ] * f[ wh ][ mask ] ;
                    cnt[ wh + read[ x ] + code[ x ] ][ x ] += coef * prob[ x ] * f[ wh ][ mask ] ;
                }
            }
        }
        for ( int i = 0 ; i < n ; ++ i ) {
            cnt[ wh + 1 ][ i ] += cnt[ wh ][ i ] ;
        }
    }
    for ( int i = 0 ; i < n ; ++ i ) {
        cout << fixed << setprecision ( 12 ) << cnt[ t ][ i ] << "\n" ;
    }
}

int main ( ) {
    ios_base :: sync_with_stdio ( false ) ;
    cin.tie ( NULL ) ;
    int t = 1 ; // cin >> t ; 
    while ( t -- ) { solve ( ) ; }
    return 0 ;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 7088kb

input:

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

output:

0.456250000000
0.456250000000
0.296875000000
0.296875000000

result:

ok 4 numbers

Test #2:

score: 0
Accepted
time: 5ms
memory: 6860kb

input:

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

output:

0.203125000000
0.203125000000
0.683238636364
0.683238636364

result:

ok 4 numbers

Test #3:

score: 0
Accepted
time: 6ms
memory: 7884kb

input:

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

output:

0.120000000000
0.000000000000
0.112628571429
0.159739682540
0.206444444444

result:

ok 5 numbers

Test #4:

score: 0
Accepted
time: 192ms
memory: 35544kb

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:

0.546688360092
0.055519018242
0.393621391115
0.350874919755
0.667424409120
0.571222512937
0.799952216612
0.040005404339
0.006145048720
0.551256231844
0.299989033035
0.391260583275
0.760474924226
0.518805181308
0.071748788010

result:

ok 15 numbers

Test #5:

score: 0
Accepted
time: 445ms
memory: 62908kb

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:

0.085880480705
0.425292731546
0.937411152137
0.092224956990
0.433995938462
0.075522926844
0.173430796408
0.101752996586
0.534933339311
0.765138886172
0.408570030793
0.000234545183
0.837491098750
0.150632754765
0.889198544695
0.776051252008

result:

ok 16 numbers

Test #6:

score: 0
Accepted
time: 405ms
memory: 63612kb

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:

0.022417364414
0.000671987469
0.188134004526
0.267402196062
0.000806452249
0.481207172814
0.001508624007
0.728900640077
0.093530246884
0.014415753885
0.100479452210
0.007905300345
0.016108345936
0.011464406576
0.193442248319
0.108540508188

result:

ok 16 numbers

Test #7:

score: 0
Accepted
time: 1ms
memory: 8020kb

input:

2 100
44 23 0.344489870631275
18 13 0.617983603136949

output:

0.344489870631
0.617983603137

result:

ok 2 numbers

Test #8:

score: 0
Accepted
time: 1092ms
memory: 118024kb

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:

0.609720598660
0.066416290908
0.275964793487
0.011631666152
0.265396873853
0.927618724724
0.110452453341
0.900022841304
0.272454777475
0.544419064354
0.807557009624
0.787438275235
0.424197477958
0.453289869883
0.071088847408
0.023050639998
0.276630993925

result:

ok 17 numbers

Test #9:

score: 0
Accepted
time: 906ms
memory: 102976kb

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:

0.586724519251
0.912953420938
0.006580616860
0.421056086793
0.460749791577
0.031503038542
0.749829862412
0.246898055560
0.741615885874
0.008716558502
0.634338337966
0.599407644447
0.030966264343
0.141901745771
0.226289267326
0.285202950435
0.681215952559

result:

ok 17 numbers

Test #10:

score: 0
Accepted
time: 905ms
memory: 102868kb

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:

0.005494076787
0.037237798875
0.629437253361
0.003543465856
0.781023527962
0.677157939956
0.410806433460
0.003743883247
0.642440929632
0.016553323195
0.303805123336
0.423831677025
0.086198287282
0.826970933203
0.461284708494
0.163760869135
0.128595372495

result:

ok 17 numbers

Test #11:

score: 0
Accepted
time: 972ms
memory: 102968kb

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:

0.027115033930
0.792437156034
0.206196778123
0.020443184338
0.797474393401
0.426878809713
0.285203945993
0.551883378812
0.792822140399
0.081619893150
0.498293254015
0.004121958074
0.643010750412
0.299258019222
0.386625244712
0.014474542349
0.270607574228

result:

ok 17 numbers

Test #12:

score: 0
Accepted
time: 882ms
memory: 102896kb

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:

0.397289127476
0.761422130972
0.831520204401
0.780827798026
0.196244888929
0.254090235987
0.190704612139
0.703615786203
0.680280815914
0.035553141226
0.002595389400
0.211203658822
0.003954785626
0.014426060933
0.529030490741
0.218260745506
0.087684493071

result:

ok 17 numbers

Test #13:

score: 0
Accepted
time: 613ms
memory: 108196kb

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:

0.071557905030
0.008531951117
0.035781505339
0.057417466250
0.000000000000
0.000000000000
0.026577955061
0.000000000000
0.000000000000
0.076177754926
0.000000000000
0.000000000000
0.000000000000
0.000000000000
0.000000000000
0.000000000000
0.000000000000

result:

ok 17 numbers

Test #14:

score: 0
Accepted
time: 569ms
memory: 109156kb

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:

0.000000000000
0.000000000000
0.060282814414
0.000000000000
0.041553544552
0.000000000000
0.052642288172
0.011165490449
0.000000000000
0.000000000000
0.000000000000
0.042661428113
0.000000000000
0.045098071399
0.000000000000
0.039767234850
0.056074867788

result:

ok 17 numbers

Test #15:

score: 0
Accepted
time: 2ms
memory: 7752kb

input:

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

output:

0.538500000000
0.376500000000
0.241500000000
0.238500000000
0.238500000000

result:

ok 5 numbers