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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
#413125#4230. Leaderboard Effectishmeal#AC ✓2943ms1865464kbC++142.2kb2024-05-17 06:27:192024-05-17 06:27:21

Judging History

你现在查看的是最新测评结果

  • [2024-05-17 06:27:21]
  • 评测
  • 测评结果:AC
  • 用时:2943ms
  • 内存:1865464kb
  • [2024-05-17 06:27:19]
  • 提交

answer

#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
using namespace std;

const double epsilon = 1e-10;
const int MAXT = 101;
const int MAXN = 17;
const int MAXPOW = 1 << MAXN;

// probs[i] = probability a team solves problem i at time ti.
double probs[MAXN];
// dp[ti][mask] = probability a team having read problems mask picks something to read at time ti.
double dp[MAXT][MAXPOW];
// dp2[ti][mask][i] = probability a team having read problems mask picks problem i to read at time ti.
double dp2[MAXT][MAXPOW][MAXN];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n, t;
    cin >> n >> t;
    int r[n];
    int c[n];
    double p[n];
    for (int i = 0; i < n; i++) {
        cin >> r[i] >> c[i] >> p[i];
    }

    int pow2 = 1 << n;
    for (int i = 0; i < n; i++) {
        probs[i] = 0;
    }
    for (int ti = 0; ti <= t; ti++) {
        for (int mask = 0; mask < pow2; mask++) {
            dp[ti][mask] = 0;
            for (int i = 0; i < n; i++) {
                if (ti - r[i] - c[i] >= 0) {
                    double add = dp2[ti - r[i] - c[i]][mask][i] * p[i];
                    probs[i] += add;
                    dp[ti][mask] += add;
                }
                if (ti - r[i] >= 0) {
                    dp[ti][mask] += dp2[ti - r[i]][mask][i] * (1 - p[i]);
                }
                dp2[ti][mask][i] = 0;
            }
        }
        if (ti == 0) {
            dp[0][0] = 1;
        }
        for (int mask = 0; mask < pow2 - 1; mask++) {
            double total = 0;
            int cnt = 0;
            for (int i = 0; i < n; i++) {
                if (!(mask & (1 << i))) {
                    total += probs[i];
                    cnt++;
                }
            }
            for (int i = 0; i < n; i++) {
                int nmask = mask | (1 << i);
                if (nmask != mask) {
                    double p_pick = total < epsilon ? ((double) 1 / cnt) : (probs[i] / total);
                    dp2[ti][nmask][i] += dp[ti][mask] * p_pick;
                }
            }
        }
    }

    for (int i = 0; i < n; i++) {
        cout << fixed << setprecision(10) << probs[i] << "\n";
    }
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 134828kb

input:

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

output:

0.4562500000
0.4562500000
0.2968750000
0.2968750000

result:

ok 4 numbers

Test #2:

score: 0
Accepted
time: 0ms
memory: 134880kb

input:

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

output:

0.2031250000
0.2031250000
0.6832386364
0.6832386364

result:

ok 4 numbers

Test #3:

score: 0
Accepted
time: 0ms
memory: 313008kb

input:

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

output:

0.1200000000
0.0000000000
0.1126285714
0.1597396825
0.2064444444

result:

ok 5 numbers

Test #4:

score: 0
Accepted
time: 670ms
memory: 728308kb

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:

0.5466883601
0.0555190182
0.3936213911
0.3508749198
0.6674244091
0.5712225129
0.7999522166
0.0400054043
0.0061450487
0.5512562318
0.2999890330
0.3912605833
0.7604749242
0.5188051813
0.0717487880

result:

ok 15 numbers

Test #5:

score: 0
Accepted
time: 1284ms
memory: 1142252kb

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:

0.0858804807
0.4252927315
0.9374111521
0.0922249570
0.4339959385
0.0755229268
0.1734307964
0.1017529966
0.5349333393
0.7651388862
0.4085700308
0.0002345452
0.8374910988
0.1506327548
0.8891985447
0.7760512520

result:

ok 16 numbers

Test #6:

score: 0
Accepted
time: 1551ms
memory: 1244348kb

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:

0.0224173644
0.0006719875
0.1881340045
0.2674021961
0.0008064522
0.4812071728
0.0015086240
0.7289006401
0.0935302469
0.0144157539
0.1004794522
0.0079053003
0.0161083459
0.0114644066
0.1934422483
0.1085405082

result:

ok 16 numbers

Test #7:

score: 0
Accepted
time: 0ms
memory: 311016kb

input:

2 100
44 23 0.344489870631275
18 13 0.617983603136949

output:

0.3444898706
0.6179836031

result:

ok 2 numbers

Test #8:

score: 0
Accepted
time: 2943ms
memory: 1865464kb

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:

0.6097205987
0.0664162909
0.2759647935
0.0116316662
0.2653968739
0.9276187247
0.1104524533
0.9000228413
0.2724547775
0.5444190644
0.8075570096
0.7874382752
0.4241974780
0.4532898699
0.0710888474
0.0230506400
0.2766309939

result:

ok 17 numbers

Test #9:

score: 0
Accepted
time: 2625ms
memory: 1591908kb

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:

0.5867245193
0.9129534209
0.0065806169
0.4210560868
0.4607497916
0.0315030385
0.7498298624
0.2468980556
0.7416158859
0.0087165585
0.6343383380
0.5994076444
0.0309662643
0.1419017458
0.2262892673
0.2852029504
0.6812159526

result:

ok 17 numbers

Test #10:

score: 0
Accepted
time: 2561ms
memory: 1592552kb

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:

0.0054940768
0.0372377989
0.6294372534
0.0035434659
0.7810235280
0.6771579400
0.4108064335
0.0037438832
0.6424409296
0.0165533232
0.3038051233
0.4238316770
0.0861982873
0.8269709332
0.4612847085
0.1637608691
0.1285953725

result:

ok 17 numbers

Test #11:

score: 0
Accepted
time: 2510ms
memory: 1591028kb

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:

0.0271150339
0.7924371560
0.2061967781
0.0204431843
0.7974743934
0.4268788097
0.2852039460
0.5518833788
0.7928221404
0.0816198932
0.4982932540
0.0041219581
0.6430107504
0.2992580192
0.3866252447
0.0144745423
0.2706075742

result:

ok 17 numbers

Test #12:

score: 0
Accepted
time: 2352ms
memory: 1591868kb

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:

0.3972891275
0.7614221310
0.8315202044
0.7808277980
0.1962448889
0.2540902360
0.1907046121
0.7036157862
0.6802808159
0.0355531412
0.0025953894
0.2112036588
0.0039547856
0.0144260609
0.5290304907
0.2182607455
0.0876844931

result:

ok 17 numbers

Test #13:

score: 0
Accepted
time: 2156ms
memory: 1865460kb

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:

0.0715579050
0.0085319511
0.0357815053
0.0574174662
0.0000000000
0.0000000000
0.0265779551
0.0000000000
0.0000000000
0.0761777549
0.0000000000
0.0000000000
0.0000000000
0.0000000000
0.0000000000
0.0000000000
0.0000000000

result:

ok 17 numbers

Test #14:

score: 0
Accepted
time: 2329ms
memory: 1865424kb

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:

0.0000000000
0.0000000000
0.0602828144
0.0000000000
0.0415535446
0.0000000000
0.0526422882
0.0111654904
0.0000000000
0.0000000000
0.0000000000
0.0426614281
0.0000000000
0.0450980714
0.0000000000
0.0397672348
0.0560748678

result:

ok 17 numbers

Test #15:

score: 0
Accepted
time: 0ms
memory: 128692kb

input:

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

output:

0.5385000000
0.3765000000
0.2415000000
0.2385000000
0.2385000000

result:

ok 5 numbers