QOJ.ac
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 |
|---|---|---|---|---|---|---|---|---|---|
| #516366 | #8795. Mysterious Sequence | SocialPanda | AC ✓ | 0ms | 4128kb | C++23 | 1.4kb | 2024-08-12 16:28:40 | 2024-08-12 16:28:41 |
Judging History
answer
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
//#define int long long
//#define LL long long
#define double long double
//#define lf Lf
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define endl "\n"
#define PII pair<int,int>
#define Gheap priority_queue<int,vector<int>,greater<int>>
#define Lheap priority_queue<int>
#define MAXN 0x3f3f3f3f
#define MINN -0x3f3f3f3f
using namespace std;
//const int N=1e6+100,M=2*N;
//int e[N],w[M],h[M],ne[M],idx;
double aa,bb,bg,ed;
double eps = 1e-8;
int n;
bool check(double num)
{
double preB=bg;
double preA=num;
for(int i=3;i<=n;i++)
{
double newone = preA*aa+preB*bb;
preB=preA;
preA=newone;
}
if(preA-ed>eps) return false;
else return true;
}
void solve()
{
unordered_map<char,double> mp;
cin>>aa>>bb>>n>>bg>>ed;
double ll=-20000.0,rr=20000.0;
while(rr-ll>eps)
{
double mid = (ll+rr)/2.0;
if(check(mid)) ll=mid;
else rr=mid;
}
printf("%.9Lf\n",bg);
if(n>2)
{
printf("%.9Lf\n",ll);
double preB=bg;
double preA=ll;
for(int i=3;i<n;i++)
{
double newone = preA*aa+preB*bb;
preB=preA;
preA=newone;
printf("%.9Lf\n",newone);
}
}
printf("%.9Lf\n",ed);
}
int main()
{
std::ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int tt=1;
//cin >> tt;
while(tt--) solve();
}
这程序好像有点Bug，我给组数据试试？
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3820kb
input:
1.0 1.0 10 1 10
output:
1.000000000 -0.323529412 0.676470588 0.352941177 1.029411765 1.382352942 2.411764707 3.794117649 6.205882356 10.000000000
result:
ok 10 numbers
Test #2:
score: 0
Accepted
time: 0ms
memory: 4008kb
input:
1 1 2 1 100
output:
1.000000000 100.000000000
result:
ok 2 numbers
Test #3:
score: 0
Accepted
time: 0ms
memory: 4004kb
input:
1 1 5 50 100
output:
50.000000000 0.000000000 50.000000000 50.000000000 100.000000000
result:
ok 5 numbers
Test #4:
score: 0
Accepted
time: 0ms
memory: 3748kb
input:
0.25 0.25 10 1 1
output:
1.000000000 55.875537037 14.218884259 17.523605324 7.935622396 6.364806930 3.575107331 2.484978565 1.515021474 1.000000000
result:
ok 10 numbers
Test #5:
score: 0
Accepted
time: 0ms
memory: 4124kb
input:
0.25 0.63 6 93 12
output:
93.000000000 -14.204807940 55.038798015 4.810670502 35.877110375 12.000000000
result:
ok 6 numbers
Test #6:
score: 0
Accepted
time: 0ms
memory: 4048kb
input:
0.25 0.80 10 5 63
output:
5.000000000 78.769536194 23.692384049 68.938724967 36.188588481 64.198127094 45.000402558 62.608602315 51.652472625 63.000000000
result:
ok 10 numbers
Test #7:
score: 0
Accepted
time: 0ms
memory: 3964kb
input:
0.25 0.99 3 18 30
output:
18.000000000 48.720000032 30.000000000
result:
ok 3 numbers
Test #8:
score: 0
Accepted
time: 0ms
memory: 3988kb
input:
0.28 0.64 9 6 10
output:
6.000000000 20.950403368 9.706112943 16.125969780 10.727183822 13.324232129 10.596182642 11.494439702 10.000000000
result:
ok 9 numbers
Test #9:
score: 0
Accepted
time: 0ms
memory: 3832kb
input:
0.31 0.40 7 10 49
output:
10.000000000 240.115064043 78.435669853 120.361083272 68.686203756 69.437156473 49.000000000
result:
ok 7 numbers
Test #10:
score: 0
Accepted
time: 0ms
memory: 3816kb
input:
0.32 0.28 5 36 6
output:
36.000000000 10.121376854 13.318840593 7.096014509 6.000000000
result:
ok 5 numbers
Test #11:
score: 0
Accepted
time: 0ms
memory: 3984kb
input:
0.35 0.65 10 86 82
output:
86.000000000 79.533924800 83.736873680 81.004956908 82.780702810 81.626467973 82.376720617 81.889056399 82.206038141 82.000000000
result:
ok 10 numbers
Test #12:
score: 0
Accepted
time: 0ms
memory: 3816kb
input:
0.36 0.68 8 72 59
output:
72.000000000 38.239918649 62.726370714 48.584638138 60.144401815 54.689538588 60.586427126 59.000000000
result:
ok 8 numbers
Test #13:
score: 0
Accepted
time: 0ms
memory: 3984kb
input:
0.43 0.61 2 93 84
output:
93.000000000 84.000000000
result:
ok 2 numbers
Test #14:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
0.46 0.96 6 65 35
output:
65.000000000 -16.617423662 54.755985116 9.235026438 56.813857872 35.000000000
result:
ok 6 numbers
Test #15:
score: 0
Accepted
time: 0ms
memory: 3984kb
input:
0.50 0.90 4 19 1
output:
19.000000000 -6.565217391 13.817391305 1.000000000
result:
ok 4 numbers
Test #16:
score: 0
Accepted
time: 0ms
memory: 4012kb
input:
0.54 0.35 3 16 22
output:
16.000000000 30.370370387 22.000000000
result:
ok 3 numbers
Test #17:
score: 0
Accepted
time: 0ms
memory: 3820kb
input:
0.55 0.89 10 74 13
output:
74.000000000 -48.321937074 39.282934609 -21.400909961 23.191311323 -6.291588638 17.179893327 3.849427442 17.407290154 13.000000000
result:
ok 10 numbers
Test #18:
score: 0
Accepted
time: 0ms
memory: 3948kb
input:
0.56 0.36 3 31 88
output:
31.000000000 137.214285724 88.000000000
result:
ok 3 numbers
Test #19:
score: 0
Accepted
time: 0ms
memory: 3836kb
input:
0.57 0.93 7 71 48
output:
71.000000000 -34.080565365 46.604077742 -5.130601477 40.417349458 18.266429818 48.000000000
result:
ok 7 numbers
Test #20:
score: 0
Accepted
time: 0ms
memory: 4108kb
input:
0.58 0.41 8 30 69
output:
30.000000000 89.432121695 64.170630583 73.886135633 69.163917206 70.408387589 69.194070856 69.000000000
result:
ok 8 numbers
Test #21:
score: 0
Accepted
time: 0ms
memory: 3820kb
input:
0.58 0.49 6 31 96
output:
31.000000000 99.557613548 72.933415858 91.084611836 88.566448635 96.000000000
result:
ok 6 numbers
Test #22:
score: 0
Accepted
time: 0ms
memory: 3984kb
input:
0.61 0.29 8 62 25
output:
62.000000000 34.407651274 38.968667277 33.749105908 31.887868114 29.238840263 27.083174314 25.000000000
result:
ok 8 numbers
Test #23:
score: 0
Accepted
time: 0ms
memory: 3952kb
input:
0.63 0.89 9 37 85
output:
37.000000000 -5.887853304 29.220652419 13.168821584 34.302738250 33.330976307 51.527952116 62.127178746 85.000000000
result:
ok 9 numbers
Test #24:
score: 0
Accepted
time: 0ms
memory: 4048kb
input:
0.64 0.67 2 74 42
output:
74.000000000 42.000000000
result:
ok 2 numbers
Test #25:
score: 0
Accepted
time: 0ms
memory: 4108kb
input:
0.65 0.56 2 94 96
output:
94.000000000 96.000000000
result:
ok 2 numbers
Test #26:
score: 0
Accepted
time: 0ms
memory: 3816kb
input:
0.65 0.90 10 97 23
output:
97.000000000 -61.703576284 47.192675415 -24.857979636 26.315721110 -5.266962951 20.260623081 8.429138347 23.713500699 23.000000000
result:
ok 10 numbers
Test #27:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
0.67 0.88 4 70 42
output:
70.000000000 0.547821510 61.967040412 42.000000000
result:
ok 4 numbers
Test #28:
score: 0
Accepted
time: 0ms
memory: 4016kb
input:
0.69 0.39 10 2 27
output:
2.000000000 22.365907689 16.212476306 19.909312650 20.060291487 21.606233060 22.731814491 24.111382892 25.502261847 27.000000000
result:
ok 10 numbers
Test #29:
score: 0
Accepted
time: 0ms
memory: 3828kb
input:
0.69 0.57 4 88 47
output:
88.000000000 11.843609600 58.332090624 47.000000000
result:
ok 4 numbers
Test #30:
score: 0
Accepted
time: 0ms
memory: 3820kb
input:
0.71 0.89 8 4 41
output:
4.000000000 6.838890358 8.415612154 12.061697048 16.053699722 22.133037176 30.002249147 41.000000000
result:
ok 8 numbers
Test #31:
score: 0
Accepted
time: 0ms
memory: 3952kb
input:
0.72 0.49 8 21 48
output:
21.000000000 19.940442371 24.647118507 27.516742087 31.889142371 36.443386130 41.864917775 48.000000000
result:
ok 8 numbers
Test #32:
score: 0
Accepted
time: 0ms
memory: 3952kb
input:
0.74 0.58 3 57 29
output:
57.000000000 -5.486486480 29.000000000
result:
ok 3 numbers
Test #33:
score: 0
Accepted
time: 0ms
memory: 4128kb
input:
0.76 0.70 2 91 18
output:
91.000000000 18.000000000
result:
ok 2 numbers
Test #34:
score: 0
Accepted
time: 0ms
memory: 3948kb
input:
0.77 0.36 10 31 25
output:
31.000000000 5.214972089 15.175528508 13.562546903 15.906351378 17.130407447 18.916700230 20.732805858 22.774272594 25.000000000
result:
ok 10 numbers
Test #35:
score: 0
Accepted
time: 0ms
memory: 4032kb
input:
0.77 0.96 8 78 68
output:
78.000000000 -40.097557012 44.004881101 -4.609896284 38.695065718 25.369700171 56.681932221 68.000000000
result:
ok 8 numbers
Test #36:
score: 0
Accepted
time: 0ms
memory: 4048kb
input:
0.78 0.52 7 73 77
output:
73.000000000 8.727547511 44.767487058 39.456964611 54.055525667 62.680931618 77.000000000
result:
ok 7 numbers
Test #37:
score: 0
Accepted
time: 0ms
memory: 4124kb
input:
0.78 0.69 4 42 97
output:
42.000000000 57.297905114 73.672365989 97.000000000
result:
ok 4 numbers
Test #38:
score: 0
Accepted
time: 0ms
memory: 4108kb
input:
0.78 0.70 10 54 99
output:
54.000000000 -13.012886357 27.649948642 12.457939491 29.072156852 31.396839989 44.840044988 56.953023082 75.811389496 99.000000000
result:
ok 10 numbers
Test #39:
score: 0
Accepted
time: 0ms
memory: 3984kb
input:
0.78 0.76 10 97 83
output:
97.000000000 -43.734736964 39.606905168 -2.345014062 28.272136959 20.270056141 37.297467879 44.497267613 63.053944326 83.000000000
result:
ok 10 numbers
Test #40:
score: 0
Accepted
time: 0ms
memory: 4020kb
input:
0.78 0.95 10 100 32
output:
100.000000000 -63.269578823 45.649728518 -24.499311637 24.257779015 -4.353278423 19.649332894 11.190865155 27.395741071 32.000000000
result:
ok 10 numbers
Test #41:
score: 0
Accepted
time: 0ms
memory: 3948kb
input:
0.79 0.90 10 98 42
output:
98.000000000 -58.246914632 42.184937441 -19.096122591 22.880506850 0.889090080 21.294837328 17.623102561 33.087604619 42.000000000
result:
ok 10 numbers
Test #42:
score: 0
Accepted
time: 0ms
memory: 4112kb
input:
0.81 0.48 10 97 1
output:
97.000000000 -38.257501683 15.571423637 -5.750747662 2.816177740 -0.479254909 0.963568839 0.550448403 0.908376249 1.000000000
result:
ok 10 numbers
Test #43:
score: 0
Accepted
time: 0ms
memory: 4012kb
input:
0.81 0.86 10 20 100
output:
20.000000000 -3.332842871 14.500397275 8.879076924 19.662393964 23.562545265 35.995320474 49.419998512 70.986174403 100.000000000
result:
ok 10 numbers
Test #44:
score: 0
Accepted
time: 0ms
memory: 4112kb
input:
0.84 0.85 10 74 95
output:
74.000000000 -36.290804883 32.415723898 -3.617976076 24.514265410 17.516703280 35.551156354 44.752169125 67.810304966 95.000000000
result:
ok 10 numbers
Test #45:
score: 0
Accepted
time: 0ms
memory: 4128kb
input:
0.88 0.37 10 3 96
output:
3.000000000 29.021828486 26.649209068 34.189380520 39.946862212 47.803309539 56.847251413 67.712805773 80.620752103 96.000000000
result:
ok 10 numbers
Test #46:
score: 0
Accepted
time: 0ms
memory: 4128kb
input:
0.91 0.50 10 100 98
output:
100.000000000 -22.586857858 29.445959349 15.502394079 28.830158286 33.986641080 45.342922525 58.255380038 75.683857097 98.000000000
result:
ok 10 numbers
Test #47:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
0.94 0.48 10 44 97
output:
44.000000000 -1.582743444 19.632221163 17.694571040 26.056362936 32.986375259 43.514246953 56.736852260 74.219479662 97.000000000
result:
ok 10 numbers
Test #48:
score: 0
Accepted
time: 0ms
memory: 4048kb
input:
0.94 0.54 10 28 95
output:
28.000000000 0.452546301 15.545393523 14.857044914 22.360134722 29.041330892 39.373323788 52.693243042 70.793243305 95.000000000
result:
ok 10 numbers
Test #49:
score: 0
Accepted
time: 0ms
memory: 3816kb
input:
0.95 0.57 10 2 94
output:
2.000000000 9.227284172 9.905919963 14.670175943 19.583041525 26.965889737 36.779928920 50.311489624 68.760474626 94.000000000
result:
ok 10 numbers
Test #50:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
0.98 0.90 10 21 99
output:
21.000000000 -8.213193487 10.851070383 3.242174837 12.943294685 15.602386144 26.939303638 40.442665095 63.879185067 99.000000000
result:
ok 10 numbers
Extra Test:
score: 0
Extra Test Passed