QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#781692 | #4230. Leaderboard Effect | ucup-team2172# | AC ✓ | 1488ms | 171340kb | C++23 | 2.1kb | 2024-11-25 16:58:16 | 2024-11-25 16:58:16 |
Judging History
answer
#include <bits/stdc++.h>
#define inf (0x7f7f7f7f)
#define Max(a, b) ((a) > (b) ? (a) : (b))
#define Min(a, b) ((a) < (b) ? (a) : (b))
typedef long long ll;
typedef long double ld;
using namespace std;
template <class T>
inline void read(T &x){
int ch = 0, f = 0; x = 0;
for(; !isdigit(ch); ch = getchar()) if(ch == '-') f = 1;
for(; isdigit(ch); ch = getchar()) x = x * 10 + ch - 48;
if(f) x = -x;
}
int n,t;
ld f[105][1<<17], g[105][20], p[20];
int r[20], c[20];
int main(){
read(n), read(t);
for(int i = 0; i < n ; i++){
read(r[i]), read(c[i]);
scanf("%Lf", &p[i]);
}
f[0][0] = 1;
for(int i = 0; i < t; i++){
for(int s = 0; s < (1 << n); s++){
if(f[i][s] == 0) continue;
bool flag = 0;
ld sum = 0;
int cnt = 0;
for(int j = 0; j < n; j++){
if((s >> j) & 1) continue;
if(g[i][j] != 0) flag = 1, sum += g[i][j];
cnt += 1;
}
for(int j = 0; j < n; j++){
if((s >> j) & 1) continue;
if(g[i][j] == 0){
if(flag) continue;
else{
if(i + r[j] <= t) f[i + r[j]][s | (1 << j)] += f[i][s] * (1 - p[j]) * 1.0 / cnt;
if(i + r[j] + c[j] <= t){
f[i + r[j] + c[j]][s | (1 << j)] += f[i][s] * p[j] * 1.0 / cnt;
g[i + r[j] + c[j]][j] += f[i][s] * p[j] * 1.0 / cnt;
}
}
}
else{
if(i + r[j] <= t) f[i + r[j]][s | (1 << j)] += f[i][s] * (1 - p[j]) * g[i][j] / sum;
if(i + r[j] + c[j] <= t){
f[i + r[j] + c[j]][s | (1 << j)] += f[i][s] * p[j] * g[i][j] / sum;
g[i + r[j] + c[j]][j] += f[i][s] * p[j] * g[i][j] / sum;
}
}
}
}
for(int j = 0; j < n; j++) g[i + 1][j] += g[i][j];
}
for(int i = 0; i < n; i++) printf("%.10Lf\n", g[t][i]);
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 4012kb
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: 1ms
memory: 4004kb
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: 1ms
memory: 4036kb
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: 284ms
memory: 47520kb
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: 648ms
memory: 90812kb
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: 12ms
memory: 40140kb
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: 1ms
memory: 3984kb
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: 1488ms
memory: 171340kb
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: 824ms
memory: 123588kb
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: 764ms
memory: 125608kb
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: 909ms
memory: 132592kb
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: 774ms
memory: 117096kb
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: 10ms
memory: 4604kb
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: 13ms
memory: 4596kb
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: 1ms
memory: 3920kb
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