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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
#375891#4230. Leaderboard Effect8BQube#AC ✓586ms90788kbC++201.7kb2024-04-03 16:53:192024-04-03 16:53:20

Judging History

你现在查看的是最新测评结果

  • [2024-04-03 16:53:20]
  • 评测
  • 测评结果:AC
  • 用时:586ms
  • 内存:90788kb
  • [2024-04-03 16:53:19]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define X first
#define Y second
#define ALL(v) v.begin(), v.end()
#define pb push_back
#define SZ(a) ((int)a.size())

double ans[105][17], dp[105][1 << 17];
int r[105], c[105];
double p[105];

int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    int n, t;
    cin >> n >> t;
    for (int i = 0; i < n; ++i)
        cin >> r[i] >> c[i] >> p[i];
    dp[0][0] = 1;
    for (int i = 0; i < t; ++i) {
        for (int j = 0; j < (1 << n); ++j) {
            if (dp[i][j] == 0) continue;
            double total = 0;
            int cnt = 0;
            for (int k = 0; k < n; ++k)
                if (!(j >> k & 1)) {
                    total += ans[i][k];
                    ++cnt;
                }
            for (int k = 0; k < n; ++k)
                if (!(j >> k & 1)) {
                    double prob = 0;
                    if (total == 0) prob = (double)1 / cnt;
                    else if (ans[i][k] > 0) prob = ans[i][k] / total;
                    // solved
                    if (i + r[k] + c[k] <= t) {
                        dp[i + r[k] + c[k]][j | (1 << k)] += dp[i][j] * prob * p[k];
                        ans[i + r[k] + c[k]][k] += dp[i][j] * prob * p[k];
                    }
                    // unsolved
                    if (i + r[k] <= t)
                        dp[i + r[k]][j | (1 << k)] += dp[i][j] * prob * (1 - p[k]);
                }
        }
        for (int j = 0; j < n; ++j)
            ans[i + 1][j] += ans[i][j];
    }
    for (int i = 0; i < n; ++i)
        cout << fixed << setprecision(15) << ans[t][i] << "\n";
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 3944kb

input:

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

output:

0.456250000000000
0.456250000000000
0.296875000000000
0.296875000000000

result:

ok 4 numbers

Test #2:

score: 0
Accepted
time: 0ms
memory: 3916kb

input:

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

output:

0.203125000000000
0.203125000000000
0.683238636363636
0.683238636363636

result:

ok 4 numbers

Test #3:

score: 0
Accepted
time: 1ms
memory: 3936kb

input:

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

output:

0.120000000000000
0.000000000000000
0.112628571428571
0.159739682539683
0.206444444444444

result:

ok 5 numbers

Test #4:

score: 0
Accepted
time: 115ms
memory: 26940kb

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:

0.546688360092036
0.055519018242140
0.393621391115123
0.350874919754782
0.667424409119592
0.571222512937160
0.799952216612430
0.040005404338940
0.006145048719599
0.551256231843810
0.299989033034696
0.391260583274803
0.760474924225991
0.518805181308479
0.071748788009812

result:

ok 15 numbers

Test #5:

score: 0
Accepted
time: 256ms
memory: 49548kb

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:

0.085880480704929
0.425292731546367
0.937411152137167
0.092224956990472
0.433995938461823
0.075522926844032
0.173430796407679
0.101752996585523
0.534933339311451
0.765138886172423
0.408570030793372
0.000234545182917
0.837491098750283
0.150632754765004
0.889198544694527
0.776051252008205

result:

ok 16 numbers

Test #6:

score: 0
Accepted
time: 4ms
memory: 27588kb

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:

0.022417364414376
0.000671987468592
0.188134004526026
0.267402196062388
0.000806452249446
0.481207172814253
0.001508624006811
0.728900640076843
0.093530246883962
0.014415753884894
0.100479452210368
0.007905300344661
0.016108345935736
0.011464406576285
0.193442248319016
0.108540508187958

result:

ok 16 numbers

Test #7:

score: 0
Accepted
time: 1ms
memory: 3984kb

input:

2 100
44 23 0.344489870631275
18 13 0.617983603136949

output:

0.344489870631275
0.617983603136949

result:

ok 2 numbers

Test #8:

score: 0
Accepted
time: 586ms
memory: 90788kb

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:

0.609720598660333
0.066416290908452
0.275964793487334
0.011631666152016
0.265396873852893
0.927618724724162
0.110452453340905
0.900022841304072
0.272454777474705
0.544419064353631
0.807557009623788
0.787438275235424
0.424197477957682
0.453289869882972
0.071088847407502
0.023050639997668
0.2766309939...

result:

ok 17 numbers

Test #9:

score: 0
Accepted
time: 312ms
memory: 66404kb

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:

0.586724519250854
0.912953420937973
0.006580616859529
0.421056086792997
0.460749791576546
0.031503038542143
0.749829862412190
0.246898055559744
0.741615885873625
0.008716558501782
0.634338337966248
0.599407644446860
0.030966264343319
0.141901745771332
0.226289267326114
0.285202950435272
0.6812159525...

result:

ok 17 numbers

Test #10:

score: 0
Accepted
time: 312ms
memory: 69196kb

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:

0.005494076787488
0.037237798874605
0.629437253361304
0.003543465855541
0.781023527962233
0.677157939955959
0.410806433460006
0.003743883246819
0.642440929631951
0.016553323195167
0.303805123336441
0.423831677025396
0.086198287282299
0.826970933203345
0.461284708494303
0.163760869135424
0.1285953724...

result:

ok 17 numbers

Test #11:

score: 0
Accepted
time: 350ms
memory: 71928kb

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:

0.027115033929916
0.792437156034328
0.206196778123340
0.020443184337910
0.797474393400831
0.426878809713136
0.285203945992875
0.551883378811675
0.792822140398923
0.081619893150215
0.498293254014566
0.004121958074336
0.643010750412097
0.299258019222352
0.386625244711550
0.014474542348519
0.2706075742...

result:

ok 17 numbers

Test #12:

score: 0
Accepted
time: 288ms
memory: 64140kb

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:

0.397289127475792
0.761422130971623
0.831520204401420
0.780827798025808
0.196244888928758
0.254090235986826
0.190704612138930
0.703615786202505
0.680280815914402
0.035553141225707
0.002595389400108
0.211203658821714
0.003954785625942
0.014426060932877
0.529030490740856
0.218260745505969
0.0876844930...

result:

ok 17 numbers

Test #13:

score: 0
Accepted
time: 7ms
memory: 4572kb

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:

0.071557905030191
0.008531951117394
0.035781505339295
0.057417466249548
0.000000000000000
0.000000000000000
0.026577955061031
0.000000000000000
0.000000000000000
0.076177754926464
0.000000000000000
0.000000000000000
0.000000000000000
0.000000000000000
0.000000000000000
0.000000000000000
0.0000000000...

result:

ok 17 numbers

Test #14:

score: 0
Accepted
time: 7ms
memory: 4616kb

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:

0.000000000000000
0.000000000000000
0.060282814414062
0.000000000000000
0.041553544552180
0.000000000000000
0.052642288171710
0.011165490448638
0.000000000000000
0.000000000000000
0.000000000000000
0.042661428112687
0.000000000000000
0.045098071399119
0.000000000000000
0.039767234849516
0.0560748677...

result:

ok 17 numbers

Test #15:

score: 0
Accepted
time: 0ms
memory: 3936kb

input:

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

output:

0.538500000000000
0.376500000000000
0.241500000000000
0.238500000000000
0.238500000000000

result:

ok 5 numbers