QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#394140 | #4230. Leaderboard Effect | kevinshan# | AC ✓ | 1297ms | 174876kb | C++17 | 2.7kb | 2024-04-20 06:23:22 | 2024-04-20 06:23:23 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define all(x) x.begin(), x.end()
#define pb push_back
#define f first
#define s second
#define vi vector<int>
#define pi pair<int,int>
#define lb lower_bound
#define FOR(i,a,b) for(int i=a;i<b;i++)
#define For(i,a) FOR(i,0,a)
#define trav(a,b) for(auto& a:b)
#define ROF(i,a,b) for(int i=b-1;i>=a;i--)
#define sz(x) (int) x.size()
#define ld long double
#define vpi vector<pi>
#define pil pair<int, ld>
#define vpil vector<pil>
const int MX = 1e2+3;
const int MX2 = (1<<17) + 1;
ld fre[MX][MX2];
ld ans[18]; // current probabilities of solved
int r[20], c[20];
ld p[20];
ld upd_ans[MX][20];
// const ld eps=0.0001;
const ld eps=1e-12;
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0);
if (fopen("input.in", "r")) {
freopen("input.in", "r", stdin);
freopen("output.out", "w", stdout);
}
cout<<fixed<<setprecision(30);
int n,T;cin>>n>>T;
fre[0][0] = 1;
For(i,n) {
cin>>r[i]>>c[i]>>p[i];
assert(p[i]<=1);
}
// cout << "HI" << endl;
FOR(t,0,T+1) {
For(k,n) {
ans[k] += upd_ans[t][k];
assert(ans[k]<=1);
}
For(mask, 1<<n) if (fre[t][mask]>=eps) {
ld tot_ans = 0;
int tmp_cnt=0;
For(k,n) if(((1<<k) & mask) == 0) {
tot_ans += ans[k];
tmp_cnt++;
}
For(k,n) if(((1<<k) & mask) == 0) {
ld prob_will_read = (ld) 1/tmp_cnt;
if(tot_ans>=eps) {
prob_will_read = ans[k]/tot_ans;
}
if (t+r[k] <= T) {
ld tmp = prob_will_read*fre[t][mask];
if(t+r[k]+c[k] <= T) {
upd_ans[t+r[k]+c[k]][k] += tmp * p[k];
fre[t+r[k]+c[k]][mask+(1<<k)] += tmp * p[k];
}
fre[t+r[k]][mask+(1<<k)] += tmp*(1-p[k]);
}
}
}
}
// TODO: setprecision
// cout << fix
For(i,n) {
cout << ans[i] << "\n";
}
}
/**
For(mask, 1<<n) trav(x, upd_read[t][mask]) {
// go solve
int k = x.f;
// + instead of | works too rt
if(t+c[k] <= T)
upd_solve[t+c[k]][mask+(1<<k)].pb({k, p[k]*x.s});
// no solve
fre[t][mask+(1<<k)] += (1-p[k])*x.s;
}
cout << "HI2" << endl;
For(mask, 1<<n) trav(x, upd_solve[t][mask]) {
ans[x.f] += x.s;
fre[t][mask] += x.s;
}
cout << "HI3" << endl;
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3916kb
input:
4 42 10 10 0.75 10 10 0.75 10 12 1 10 12 1
output:
0.456250000000000000010842021725 0.456250000000000000010842021725 0.296875000000000000000000000000 0.296875000000000000000000000000
result:
ok 4 numbers
Test #2:
score: 0
Accepted
time: 1ms
memory: 3964kb
input:
4 42 10 12 0.75 10 12 0.75 10 10 1 10 10 1
output:
0.203125000000000000000000000000 0.203125000000000000000000000000 0.683238636363636363626507252977 0.683238636363636363626507252977
result:
ok 4 numbers
Test #3:
score: 0
Accepted
time: 0ms
memory: 3916kb
input:
5 100 40 60 0.6 40 61 1 10 40 0.3 10 40 0.4 10 40 0.5
output:
0.120000000000000000004336808690 0.000000000000000000000000000000 0.112628571428571428586495883906 0.159739682539682539691981190411 0.206444444444444444444275790773
result:
ok 5 numbers
Test #4:
score: 0
Accepted
time: 251ms
memory: 47888kb
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:
0.546688359877918469986474853117 0.055519018134640315894506347461 0.393621390015831018415306055691 0.350874919132407677335901141635 0.667424408971862815254019046796 0.571222512096778140488172181843 0.799952215637303304428609718180 0.040005404222656650858338210630 0.006145048708623936918459690088 0.5...
result:
ok 15 numbers
Test #5:
score: 0
Accepted
time: 591ms
memory: 91208kb
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:
0.085880479443676239443097343573 0.425292727246924784806651406721 0.937411149936098191386580485984 0.092224955657299519894674628279 0.433995932823674579990880229019 0.075522925684084964145846401162 0.173430794238006820461635987263 0.101752995151693555501374449657 0.534933335162994791475623429511 0.7...
result:
ok 16 numbers
Test #6:
score: 0
Accepted
time: 26ms
memory: 44056kb
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:
0.022417364414375727761096521000 0.000671987468592315753909969726 0.188134004526025502029742790533 0.267402196062388514585968224413 0.000806452249446332916076847573 0.481207172814253152966093921017 0.001508624006811008322905067771 0.728900640076661160708573067302 0.093530246883961857064010338852 0.0...
result:
ok 16 numbers
Test #7:
score: 0
Accepted
time: 1ms
memory: 3780kb
input:
2 100 44 23 0.344489870631275 18 13 0.617983603136949
output:
0.344489870631274999995385249774 0.617983603136948999982620139848
result:
ok 2 numbers
Test #8:
score: 0
Accepted
time: 1297ms
memory: 174876kb
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:
0.609720575689979553618905172563 0.066416288701702713981594051323 0.275964785966704592208185650715 0.011631665735761757313265426800 0.265396865461309363541609826487 0.927618705338806354436433782018 0.110452449892666685196467805247 0.900022818022774084378932052397 0.272454769762834505571333018614 0.5...
result:
ok 17 numbers
Test #9:
score: 0
Accepted
time: 664ms
memory: 123672kb
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:
0.586724513438699488664107573044 0.912953398873193028848545965692 0.006580616846759328766989263467 0.421056080635485692579026914539 0.460749784865351578354774816915 0.031503038347656685309346310739 0.749829850137239017470597302051 0.246898052933178958936164849869 0.741615869853233289506720671280 0.0...
result:
ok 17 numbers
Test #10:
score: 0
Accepted
time: 656ms
memory: 128168kb
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:
0.005494076785398813544666272697 0.037237798825585861068449521072 0.629437248338353164415961277234 0.003543465854637623856195069515 0.781023525176043393984659513052 0.677157936536342303101860401471 0.410806431456464594503775675238 0.003743883245543693570726195190 0.642440921965858139849880892314 0.0...
result:
ok 17 numbers
Test #11:
score: 0
Accepted
time: 800ms
memory: 133248kb
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:
0.027115033874418582911648527289 0.792437154583530142760647296818 0.206196776818740943362480780299 0.020443184310697101559577159614 0.797474379928793401057715573010 0.426878806431170063431530109499 0.285203944394767908447532039906 0.551883375084761839714231346221 0.792822131068646269807208282199 0.0...
result:
ok 17 numbers
Test #12:
score: 0
Accepted
time: 641ms
memory: 122000kb
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:
0.397289121152491294476421720971 0.761422108317915281763387652658 0.831520189460210749834035565131 0.780827792823749047509442056114 0.196244886560547360820926966751 0.254090232200144444354083725357 0.190704609658676805711871420079 0.703615772826463597370682395704 0.680280807045156426290238860233 0.0...
result:
ok 17 numbers
Test #13:
score: 0
Accepted
time: 10ms
memory: 4448kb
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:
0.071557905030190761511588604799 0.008531951117393965681478021877 0.035781505339294679228761414391 0.057417466249548430566200301825 0.000000000000000000000000000000 0.000000000000000000000000000000 0.026577955061030882353138621484 0.000000000000000000000000000000 0.000000000000000000000000000000 0.0...
result:
ok 17 numbers
Test #14:
score: 0
Accepted
time: 13ms
memory: 4716kb
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:
0.000000000000000000000000000000 0.000000000000000000000000000000 0.060282814414062290468519908146 0.000000000000000000000000000000 0.041553544552179498506802590718 0.000000000000000000000000000000 0.052642288171709536636819464633 0.011165490448637735694646536209 0.000000000000000000000000000000 0.0...
result:
ok 17 numbers
Test #15:
score: 0
Accepted
time: 1ms
memory: 3944kb
input:
5 40 10 8 0.9 10 9 0.9 10 10 0.9 10 11 0.9 10 12 0.9
output:
0.538499999999999999934080507913 0.376499999999999999977014913943 0.241500000000000000012793585635 0.238500000000000000004553649124 0.238500000000000000004553649124
result:
ok 5 numbers