QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#77319#4230. Leaderboard EffectidontreallyknowAC ✓1396ms279180kbC++173.1kb2023-02-14 04:14:382023-02-14 04:15:21

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.
  • [2023-02-14 04:15:21]
  • 评测
  • 测评结果:AC
  • 用时:1396ms
  • 内存:279180kb
  • [2023-02-14 04:14:38]
  • 提交

answer

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
using ll = long long;
using pii = pair<int,int>;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template<typename T> T uid(T x, T y) {return uniform_int_distribution<T>(x,y)(rng);}
template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {os << "["; for (int i = 0; i < v.size(); i++) {if (i) os << ", "; os << v[i];} return os << "]";};
template<typename T, typename U> ostream& operator<<(ostream &os, const pair<T,U> &x) {return os << "(" <<x.first << ", " << x.second << ")";};
template<typename T> void pv(T a, T b, string s = "") {cerr << "["; for (T i = a; i != b; ++i) {if (i != a) cerr << ", "; cerr << *i;} cerr << "] " << s << "\n";}
template<typename... T> void dbg(T... t) {initializer_list<int>{(cerr << t << " ", 0)...}; cerr << "\n";}
template<typename T, typename U> void chmin(T& t, U u) {if (t > u) t = u;}
template<typename T, typename U> void chmax(T& t, U u) {if (t < u) t = u;}
#define bug(x...) cerr << "[" << #x << "] = ", dbg(x)
#define fi first
#define se second
#define SZ(x) ((int)((x).size()))
using ld = double;
const int mxn = 17, mxt = 105;
ld dp[mxt*3][1<<mxn], amt[mxt*3][mxn], camt[mxt*3][mxn];
struct prob {
    int r, c;
    ld p;
} P[mxn];
void solve() {
    int n,t;
    cin >> n >> t;
    for (int q = 0; q < n; q++) {
        cin >> P[q].r >> P[q].c >> P[q].p;
    }
    dp[0][0] = 1; // dp[i][j] = prop that have read mask j by time i and are ready to read at i+1
    for (int q = 1; q < mxt; q++) {
        for (int w = 0; w < n; w++) {
            if (q-2 >= 0) camt[q-1][w] = camt[q-2][w]+amt[q-1][w];
        }
        for (int w = 0; w < (1<<n); w++) {
            ld tot = 0;
            int no = 0;
            for (int e = 0; e < n; e++) {
                if (((w>>e)&1) == 0) {
                    tot += camt[q-1][e];
                    no++;
                }
            }
            for (int e = 0; e < n; e++) {
                if (((w>>e)&1) == 0) {
                    ld ps, pns;
                    if (tot == 0) {
                        ps = dp[q-1][w]/no*P[e].p;
                        pns = dp[q-1][w]/no*(1-P[e].p);
                    } else {
                        ps = dp[q-1][w]*camt[q-1][e]/tot*P[e].p;
                        pns = dp[q-1][w]*camt[q-1][e]/tot*(1-P[e].p);
                    }
                    dp[q+P[e].r+P[e].c-1][w^(1<<e)] += ps;
                    dp[q+P[e].r-1][w^(1<<e)] += pns;
                    amt[q+P[e].r+P[e].c-1][e] += ps;
                }
            }
        }
    }
    for (int q = 0; q < n; q++) {
        cout << fixed << setprecision(15) << camt[t][q] << '\n';
    }
}
int main() {
    ios::sync_with_stdio(0); cin.tie(0);
    int t = 1;
//    cin >> t;
    for (int q = 1; q <= t; q++) {
        solve();
    }
    return 0;
}


Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 3ms
memory: 4144kb

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: 3ms
memory: 4152kb

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: 3ms
memory: 4484kb

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: 304ms
memory: 35404kb

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:

0.546688360092037
0.055519018242140
0.393621391115123
0.350874919754782
0.667424409119592
0.571222512937160
0.799952216612431
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: 576ms
memory: 65392kb

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: 611ms
memory: 90452kb

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: 3ms
memory: 4280kb

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: 1303ms
memory: 127172kb

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: 1325ms
memory: 128236kb

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: 1294ms
memory: 126648kb

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: 1257ms
memory: 125524kb

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: 1294ms
memory: 126348kb

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: 1396ms
memory: 275656kb

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: 1344ms
memory: 279180kb

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: 4164kb

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