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 |
|---|---|---|---|---|---|---|---|---|---|
| #817632 | #2362. Contest Struggles | ucup-team3723# | AC ✓ | 1ms | 3884kb | C++17 | 424b | 2024-12-17 08:55:58 | 2024-12-17 08:55:58 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define dbg(x) cerr << #x << ':' << (x) << endl;
#define ALL(x) x.begin(),x.end()
using ll = long long;
using ld = long double;
int main()
{
int n, k, d, s;
cin >> n >> k >> d >> s;
ll tmp = d * n - k * s;
if (tmp < 0 || 100 * (n - k) < tmp)
{
cout << "impossible" << endl;
}
else printf("%.10f\n", tmp / (double)(n - k));
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3616kb
input:
319601 204125 91 83
output:
impossible
result:
ok
Test #2:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
504174 251338 19 88
output:
impossible
result:
ok
Test #3:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
476569 925 37 89
output:
36.8988739477
result:
ok
Test #4:
score: 0
Accepted
time: 0ms
memory: 3600kb
input:
360918 171047 97 88
output:
impossible
result:
ok
Test #5:
score: 0
Accepted
time: 0ms
memory: 3688kb
input:
503913 393658 18 57
output:
impossible
result:
ok
Test #6:
score: 0
Accepted
time: 1ms
memory: 3600kb
input:
830842 701006 73 88
output:
impossible
result:
ok
Test #7:
score: 0
Accepted
time: 0ms
memory: 3884kb
input:
375468 17258 84 38
output:
86.2162083694
result:
ok
Test #8:
score: 0
Accepted
time: 0ms
memory: 3608kb
input:
7714 7645 55 72
output:
impossible
result:
ok
Test #9:
score: 0
Accepted
time: 0ms
memory: 3668kb
input:
138901 100560 95 10
output:
impossible
result:
ok
Test #10:
score: 0
Accepted
time: 0ms
memory: 3724kb
input:
856536 556401 46 61
output:
18.1924633915
result:
ok
Test #11:
score: 0
Accepted
time: 0ms
memory: 3848kb
input:
1000000 1 100 100
output:
100.0000000000
result:
ok
Test #12:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
2 1 0 0
output:
0.0000000000
result:
ok
Test #13:
score: 0
Accepted
time: 0ms
memory: 3860kb
input:
1000000 1 1 0
output:
1.0000010000
result:
ok
Test #14:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
1000000 1 0 1
output:
impossible
result:
ok
Test #15:
score: 0
Accepted
time: 0ms
memory: 3688kb
input:
1000000 1 100 99
output:
impossible
result:
ok
Test #16:
score: 0
Accepted
time: 0ms
memory: 3880kb
input:
1000000 1 99 100
output:
98.9999990000
result:
ok