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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 |
|---|---|---|---|---|---|---|---|---|---|
| #55038 | #2964. Loot Chest | abdelrahman001 | AC ✓ | 2ms | 3928kb | C++ | 769b | 2022-10-12 02:17:01 | 2022-10-12 02:17:03 |
Judging History
answer
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include <bits/stdc++.h>
typedef long long ll;
typedef long double ld;
using namespace std;
const int N = 1e2 + 1;
ld dl, dw, g, l, memo[N];
ld solve(int p) {
if(p >= 100)
return 1 / ((100 - l) / 100);
ld &ans = memo[p];
if(ans != -1)
return ans;
ans = 1 + solve(p + dl) * l / 100;
ans += solve(p + dw) * ((100 - l) / 100) * (100 - (ld)p) / 100;
return ans;
}
int main() {
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin >> dl >> dw >> g >> l;
for(int i = 0;i <= 100;i++)
memo[i] = -1;
cout << fixed << setprecision(9) << solve(0) * (1 / (g / 100));
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 2ms
memory: 3776kb
input:
1 100 50 0
output:
4.000000000
result:
ok found '4.0000000', expected '4.0000000', error '0.0000000'
Test #2:
score: 0
Accepted
time: 2ms
memory: 3928kb
input:
50 50 100 25
output:
2.833333333
result:
ok found '2.8333333', expected '2.8333333', error '0.0000000'
Test #3:
score: 0
Accepted
time: 2ms
memory: 3756kb
input:
1 100 10 0
output:
20.000000000
result:
ok found '20.0000000', expected '20.0000000', error '0.0000000'
Test #4:
score: 0
Accepted
time: 2ms
memory: 3796kb
input:
2 3 10 80
output:
197.005706720
result:
ok found '197.0057067', expected '197.0057067', error '0.0000000'
Test #5:
score: 0
Accepted
time: 2ms
memory: 3884kb
input:
1 1 100 0
output:
13.209960630
result:
ok found '13.2099606', expected '13.2099606', error '0.0000000'
Test #6:
score: 0
Accepted
time: 2ms
memory: 3716kb
input:
1 100 100 0
output:
2.000000000
result:
ok found '2.0000000', expected '2.0000000', error '0.0000000'
Test #7:
score: 0
Accepted
time: 2ms
memory: 3652kb
input:
1 1 1 0
output:
1320.996063022
result:
ok found '1320.9960630', expected '1320.9960630', error '0.0000000'
Test #8:
score: 0
Accepted
time: 0ms
memory: 3756kb
input:
1 2 1 99
output:
14648.653617579
result:
ok found '14648.6536176', expected '14648.6536176', error '0.0000000'
Test #9:
score: 0
Accepted
time: 2ms
memory: 3716kb
input:
100 100 1 1
output:
201.010101010
result:
ok found '201.0101010', expected '201.0101010', error '0.0000000'
Test #10:
score: 0
Accepted
time: 2ms
memory: 3768kb
input:
1 3 1 49
output:
1326.893953585
result:
ok found '1326.8939536', expected '1326.8939536', error '0.0000000'
Test #11:
score: 0
Accepted
time: 2ms
memory: 3724kb
input:
69 91 78 18
output:
3.011682301
result:
ok found '3.0116823', expected '3.0116823', error '0.0000000'
Test #12:
score: 0
Accepted
time: 1ms
memory: 3884kb
input:
40 13 94 9
output:
4.338797657
result:
ok found '4.3387977', expected '4.3387977', error '0.0000000'
Test #13:
score: 0
Accepted
time: 0ms
memory: 3720kb
input:
88 43 61 71
output:
7.713913184
result:
ok found '7.7139132', expected '7.7139132', error '0.0000000'
Test #14:
score: 0
Accepted
time: 2ms
memory: 3752kb
input:
13 46 56 40
output:
6.790049790
result:
ok found '6.7900498', expected '6.7900498', error '0.0000000'
Test #15:
score: 0
Accepted
time: 2ms
memory: 3768kb
input:
79 82 27 70
output:
16.793827160
result:
ok found '16.7938272', expected '16.7938272', error '0.0000000'
Test #16:
score: 0
Accepted
time: 0ms
memory: 3764kb
input:
62 57 67 33
output:
4.337369125
result:
ok found '4.3373691', expected '4.3373691', error '0.0000000'
Test #17:
score: 0
Accepted
time: 2ms
memory: 3716kb
input:
3 1 1 97
output:
4951.756246923
result:
ok found '4951.7562469', expected '4951.7562469', error '0.0000000'
Test #18:
score: 0
Accepted
time: 2ms
memory: 3656kb
input:
1 2 54 50
output:
28.323919760
result:
ok found '28.3239198', expected '28.3239198', error '0.0000000'
Test #19:
score: 0
Accepted
time: 2ms
memory: 3780kb
input:
2 3 6 1
output:
132.831285269
result:
ok found '132.8312853', expected '132.8312853', error '0.0000000'
Test #20:
score: 0
Accepted
time: 1ms
memory: 3772kb
input:
2 3 34 2
output:
23.589985115
result:
ok found '23.5899851', expected '23.5899851', error '0.0000000'
Test #21:
score: 0
Accepted
time: 2ms
memory: 3716kb
input:
66 63 52 38
output:
5.714429280
result:
ok found '5.7144293', expected '5.7144293', error '0.0000000'
Test #22:
score: 0
Accepted
time: 2ms
memory: 3776kb
input:
62 46 75 27
output:
3.852912392
result:
ok found '3.8529124', expected '3.8529124', error '0.0000000'
Test #23:
score: 0
Accepted
time: 2ms
memory: 3748kb
input:
65 18 37 17
output:
9.490843403
result:
ok found '9.4908434', expected '9.4908434', error '0.0000000'
Test #24:
score: 0
Accepted
time: 2ms
memory: 3740kb
input:
97 13 80 32
output:
4.430480978
result:
ok found '4.4304810', expected '4.4304810', error '0.0000000'