| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 15182 |
2015-07-12T03:23:37 Z |
myungwoo |
맛있는 과자 (kriii3_A) |
C++14 |
|
0 ms |
1204 KB |
#pragma warning(disable:4996)
#include <stdio.h>
#include <math.h>
double a, b, c;
int n;
long long k;
long long comb[41][41];
int main()
{
scanf("%lf%lf%d%lld", &a, &b, &n, &k);
c = sqrt(a*a + b*b);
a /= c; b /= c;
comb[0][0] = 1;
for (int i=1; i<=n; i++) {
comb[i][0] = 1;
for (int j=1; j<=i; j++) comb[i][j] = comb[i-1][j-1] + comb[i-1][j];
}
for (int i=n; i>=0; i--) {
if (k <= comb[n][i]) {
int ae = 2*(n-i)+1, be = 2*i+1;
double ans = 2 * log(c) + ae * log(a) + be * log(b) - log(2.);
printf("%.15lf\n", ans);
break;
}
else k -= comb[n][i];
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
1204 KB |
Output is correct |
| 2 |
Incorrect |
0 ms |
1204 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Halted |
0 ms |
0 KB |
- |
