#include <stdio.h>
long long n,k,s;
int main()
{
scanf("%lld",&n);
for(k=1;k*(k-1)<=n;k++);k--;k*=2;
printf("%.6f",(double)(n+k*k/4)/k);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
1084 KB |
Output is correct |
2 |
Correct |
0 ms |
1084 KB |
Output is correct |
3 |
Correct |
0 ms |
1084 KB |
Output is correct |
4 |
Correct |
0 ms |
1084 KB |
Output is correct |
5 |
Correct |
0 ms |
1084 KB |
Output is correct |
6 |
Correct |
0 ms |
1084 KB |
Output is correct |
7 |
Correct |
0 ms |
1084 KB |
Output is correct |
8 |
Correct |
0 ms |
1084 KB |
Output is correct |
9 |
Correct |
0 ms |
1084 KB |
Output is correct |
10 |
Correct |
0 ms |
1084 KB |
Output is correct |
11 |
Correct |
0 ms |
1084 KB |
Output is correct |
12 |
Correct |
0 ms |
1084 KB |
Output is correct |
13 |
Correct |
0 ms |
1084 KB |
Output is correct |
14 |
Correct |
0 ms |
1084 KB |
Output is correct |
15 |
Correct |
0 ms |
1084 KB |
Output is correct |
16 |
Correct |
0 ms |
1084 KB |
Output is correct |
17 |
Correct |
0 ms |
1084 KB |
Output is correct |
18 |
Correct |
0 ms |
1084 KB |
Output is correct |
19 |
Correct |
0 ms |
1084 KB |
Output is correct |
20 |
Correct |
0 ms |
1084 KB |
Output is correct |