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 |
|---|---|---|---|---|---|---|---|---|---|
| #131133 | #2964. Loot Chest | DoubleQing | AC ✓ | 1ms | 3860kb | C++14 | 622b | 2023-07-26 15:39:18 | 2023-07-26 15:39:19 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
#define PII pair<int,int>
#define x first
#define y second
#define INF 0x3f3f3f3f
const int N=1e6+10,M=2*N,mod=1e9+7;
double f[110];
int dl,dw;
double g,l;
void solve()
{
cin>>dl>>dw>>g>>l;
g/=100,l/=100;
f[100]=1/(1-l);
for(int i=99;i>=0;i--)
f[i]=1+l*(f[min(i+dl,100ll)])+(1-l)*(1-i/100.0)*(f[min(i+dw,100ll)]);
printf("%.10lf",1/g*f[0]);
return ;
}
signed main()
{
ios::sync_with_stdio(false);
cin.tie(0),cout.tie(0);
int T=1;
//cin>>T;
while(T--)
solve();
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3680kb
input:
1 100 50 0
output:
4.0000000000
result:
ok found '4.0000000', expected '4.0000000', error '0.0000000'
Test #2:
score: 0
Accepted
time: 1ms
memory: 3816kb
input:
50 50 100 25
output:
2.8333333333
result:
ok found '2.8333333', expected '2.8333333', error '0.0000000'
Test #3:
score: 0
Accepted
time: 1ms
memory: 3732kb
input:
1 100 10 0
output:
20.0000000000
result:
ok found '20.0000000', expected '20.0000000', error '0.0000000'
Test #4:
score: 0
Accepted
time: 1ms
memory: 3792kb
input:
2 3 10 80
output:
197.0057067200
result:
ok found '197.0057067', expected '197.0057067', error '0.0000000'
Test #5:
score: 0
Accepted
time: 1ms
memory: 3684kb
input:
1 1 100 0
output:
13.2099606302
result:
ok found '13.2099606', expected '13.2099606', error '0.0000000'
Test #6:
score: 0
Accepted
time: 1ms
memory: 3744kb
input:
1 100 100 0
output:
2.0000000000
result:
ok found '2.0000000', expected '2.0000000', error '0.0000000'
Test #7:
score: 0
Accepted
time: 1ms
memory: 3720kb
input:
1 1 1 0
output:
1320.9960630216
result:
ok found '1320.9960630', expected '1320.9960630', error '0.0000000'
Test #8:
score: 0
Accepted
time: 1ms
memory: 3720kb
input:
1 2 1 99
output:
14648.6536175788
result:
ok found '14648.6536176', expected '14648.6536176', error '0.0000000'
Test #9:
score: 0
Accepted
time: 1ms
memory: 3852kb
input:
100 100 1 1
output:
201.0101010101
result:
ok found '201.0101010', expected '201.0101010', error '0.0000000'
Test #10:
score: 0
Accepted
time: 1ms
memory: 3852kb
input:
1 3 1 49
output:
1326.8939535845
result:
ok found '1326.8939536', expected '1326.8939536', error '0.0000000'
Test #11:
score: 0
Accepted
time: 1ms
memory: 3852kb
input:
69 91 78 18
output:
3.0116823014
result:
ok found '3.0116823', expected '3.0116823', error '0.0000000'
Test #12:
score: 0
Accepted
time: 1ms
memory: 3740kb
input:
40 13 94 9
output:
4.3387976566
result:
ok found '4.3387977', expected '4.3387977', error '0.0000000'
Test #13:
score: 0
Accepted
time: 1ms
memory: 3804kb
input:
88 43 61 71
output:
7.7139131837
result:
ok found '7.7139132', expected '7.7139132', error '0.0000000'
Test #14:
score: 0
Accepted
time: 1ms
memory: 3720kb
input:
13 46 56 40
output:
6.7900497905
result:
ok found '6.7900498', expected '6.7900498', error '0.0000000'
Test #15:
score: 0
Accepted
time: 1ms
memory: 3852kb
input:
79 82 27 70
output:
16.7938271605
result:
ok found '16.7938272', expected '16.7938272', error '0.0000000'
Test #16:
score: 0
Accepted
time: 1ms
memory: 3800kb
input:
62 57 67 33
output:
4.3373691245
result:
ok found '4.3373691', expected '4.3373691', error '0.0000000'
Test #17:
score: 0
Accepted
time: 0ms
memory: 3852kb
input:
3 1 1 97
output:
4951.7562469227
result:
ok found '4951.7562469', expected '4951.7562469', error '0.0000000'
Test #18:
score: 0
Accepted
time: 1ms
memory: 3848kb
input:
1 2 54 50
output:
28.3239197602
result:
ok found '28.3239198', expected '28.3239198', error '0.0000000'
Test #19:
score: 0
Accepted
time: 1ms
memory: 3856kb
input:
2 3 6 1
output:
132.8312852692
result:
ok found '132.8312853', expected '132.8312853', error '0.0000000'
Test #20:
score: 0
Accepted
time: 0ms
memory: 3828kb
input:
2 3 34 2
output:
23.5899851154
result:
ok found '23.5899851', expected '23.5899851', error '0.0000000'
Test #21:
score: 0
Accepted
time: 1ms
memory: 3860kb
input:
66 63 52 38
output:
5.7144292804
result:
ok found '5.7144293', expected '5.7144293', error '0.0000000'
Test #22:
score: 0
Accepted
time: 1ms
memory: 3680kb
input:
62 46 75 27
output:
3.8529123916
result:
ok found '3.8529124', expected '3.8529124', error '0.0000000'
Test #23:
score: 0
Accepted
time: 1ms
memory: 3640kb
input:
65 18 37 17
output:
9.4908434032
result:
ok found '9.4908434', expected '9.4908434', error '0.0000000'
Test #24:
score: 0
Accepted
time: 1ms
memory: 3804kb
input:
97 13 80 32
output:
4.4304809781
result:
ok found '4.4304810', expected '4.4304810', error '0.0000000'