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 |
|---|---|---|---|---|---|---|---|---|---|
| #181081 | #5677. Clarissa's Conical Cannolis | wdbl857 | AC ✓ | 0ms | 4356kb | C++20 | 888b | 2023-09-16 15:39:39 | 2023-09-16 15:39:39 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define ios ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define int long long
#define ULL unsigned long long
#define endl "\n"
#define pi acos(-1)
typedef pair<int, int> PII;
typedef pair<int, PII> PIII;
const int N = 1e6 + 10, M = 1010, INF = 0x3f3f3f3f, mod = 998244353;
void solve()
{
double d, s, r, o;
cin >> d >> s >> r >> o;
double A = d * pi / s;
// cout << A * 180 / pi << endl;
// cout << cos(A) << endl;
if ((s - r) * sin(A / 2) - r < o / 2)
cout << "-1.0" << endl;
else if (r - (r * sin(A / 2)) < o / 2)
cout << "-2.0" << endl;
else
{
double dis = s - (r - o / 2) / sin(A / 2) - r;
printf("%.1lf\n", dis);
}
}
signed main()
{
ios;
int T = 1;
// cin >> T;
while (T--)
solve();
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 4272kb
input:
8.00 12.00 5.00 0.50
output:
1.5
result:
ok single line: '1.5'
Test #2:
score: 0
Accepted
time: 0ms
memory: 4124kb
input:
5.00 12.00 5.00 0.50
output:
-1.0
result:
ok single line: '-1.0'
Test #3:
score: 0
Accepted
time: 0ms
memory: 4128kb
input:
11.00 12.00 5.00 0.50
output:
-2.0
result:
ok single line: '-2.0'
Test #4:
score: 0
Accepted
time: 0ms
memory: 4276kb
input:
7.00 12.00 3.00 0.90
output:
5.8
result:
ok single line: '5.8'
Test #5:
score: 0
Accepted
time: 0ms
memory: 4108kb
input:
8.50 12.00 3.00 0.90
output:
-2.0
result:
ok single line: '-2.0'
Test #6:
score: 0
Accepted
time: 0ms
memory: 4112kb
input:
10.00 12.00 3.00 0.70
output:
-2.0
result:
ok single line: '-2.0'
Test #7:
score: 0
Accepted
time: 0ms
memory: 4192kb
input:
5.50 12.00 3.50 0.30
output:
3.4
result:
ok single line: '3.4'
Test #8:
score: 0
Accepted
time: 0ms
memory: 4192kb
input:
7.00 12.00 3.50 0.70
output:
4.5
result:
ok single line: '4.5'
Test #9:
score: 0
Accepted
time: 0ms
memory: 4188kb
input:
8.50 12.00 3.50 0.70
output:
5.0
result:
ok single line: '5.0'
Test #10:
score: 0
Accepted
time: 0ms
memory: 4164kb
input:
10.00 12.00 3.50 0.30
output:
-2.0
result:
ok single line: '-2.0'
Test #11:
score: 0
Accepted
time: 0ms
memory: 4168kb
input:
5.50 12.00 4.00 0.70
output:
2.5
result:
ok single line: '2.5'
Test #12:
score: 0
Accepted
time: 0ms
memory: 4096kb
input:
7.00 12.00 4.00 0.90
output:
3.5
result:
ok single line: '3.5'
Test #13:
score: 0
Accepted
time: 0ms
memory: 4280kb
input:
8.50 12.00 4.00 0.50
output:
3.8
result:
ok single line: '3.8'
Test #14:
score: 0
Accepted
time: 0ms
memory: 4192kb
input:
10.00 12.00 4.00 0.30
output:
-2.0
result:
ok single line: '-2.0'
Test #15:
score: 0
Accepted
time: 0ms
memory: 4192kb
input:
5.50 12.00 4.50 0.50
output:
1.1
result:
ok single line: '1.1'
Test #16:
score: 0
Accepted
time: 0ms
memory: 4280kb
input:
7.00 12.00 4.50 0.50
output:
2.1
result:
ok single line: '2.1'
Test #17:
score: 0
Accepted
time: 0ms
memory: 4228kb
input:
8.50 12.00 4.50 0.70
output:
2.9
result:
ok single line: '2.9'
Test #18:
score: 0
Accepted
time: 0ms
memory: 4096kb
input:
10.00 12.00 4.50 0.50
output:
-2.0
result:
ok single line: '-2.0'
Test #19:
score: 0
Accepted
time: 0ms
memory: 4048kb
input:
5.50 12.00 5.00 0.30
output:
-1.0
result:
ok single line: '-1.0'
Test #20:
score: 0
Accepted
time: 0ms
memory: 4356kb
input:
7.00 12.00 5.00 0.90
output:
1.3
result:
ok single line: '1.3'
Test #21:
score: 0
Accepted
time: 0ms
memory: 4096kb
input:
8.50 12.00 5.00 0.70
output:
1.8
result:
ok single line: '1.8'
Test #22:
score: 0
Accepted
time: 0ms
memory: 4356kb
input:
10.00 12.00 5.00 0.30
output:
2.0
result:
ok single line: '2.0'
Test #23:
score: 0
Accepted
time: 0ms
memory: 4164kb
input:
5.50 12.00 5.50 0.90
output:
-1.0
result:
ok single line: '-1.0'