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Submission #18496

# Submission time Handle Problem Language Result Execution time Memory
18496 2016-02-06T11:22:04 Z eaststar 맛있는 과자 (kriii3_A) C++14
33 / 33
 0 ms 1192 KB 
#include <stdio.h>
#include <math.h>
int main(){
    int i,n;
    double a,b,c;
    long long k,t=1;
    scanf("%lf%lf%d%lld",&a,&b,&n,&k);
    if(a>b)c=a,a=b,b=c;
    for(i=0;i<n;){
        if(k<=t)break;
        k-=t;
        t=t*(n-i)/(++i);
    }
    printf("%.8lf",log(a*b/2)+i*2*log(a)+(n-i)*2*log(b)-n*log(a*a+b*b));
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1192 KB Output is correct
2 Correct 0 ms 1192 KB Output is correct
3 Correct 0 ms 1192 KB Output is correct
4 Correct 0 ms 1192 KB Output is correct
5 Correct 0 ms 1192 KB Output is correct
6 Correct 0 ms 1192 KB Output is correct
7 Correct 0 ms 1192 KB Output is correct
8 Correct 0 ms 1192 KB Output is correct
9 Correct 0 ms 1192 KB Output is correct
10 Correct 0 ms 1192 KB Output is correct
11 Correct 0 ms 1192 KB Output is correct
12 Correct 0 ms 1192 KB Output is correct
13 Correct 0 ms 1192 KB Output is correct
14 Correct 0 ms 1192 KB Output is correct
15 Correct 0 ms 1192 KB Output is correct
16 Correct 0 ms 1192 KB Output is correct
17 Correct 0 ms 1192 KB Output is correct
18 Correct 0 ms 1192 KB Output is correct
19 Correct 0 ms 1192 KB Output is correct
20 Correct 0 ms 1192 KB Output is correct
21 Correct 0 ms 1192 KB Output is correct
22 Correct 0 ms 1192 KB Output is correct
23 Correct 0 ms 1192 KB Output is correct
24 Correct 0 ms 1192 KB Output is correct
25 Correct 0 ms 1192 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1192 KB Output is correct
2 Correct 0 ms 1192 KB Output is correct
3 Correct 0 ms 1192 KB Output is correct
4 Correct 0 ms 1192 KB Output is correct
5 Correct 0 ms 1192 KB Output is correct
6 Correct 0 ms 1192 KB Output is correct
7 Correct 0 ms 1192 KB Output is correct
8 Correct 0 ms 1192 KB Output is correct
9 Correct 0 ms 1192 KB Output is correct
10 Correct 0 ms 1192 KB Output is correct
11 Correct 0 ms 1192 KB Output is correct
12 Correct 0 ms 1192 KB Output is correct
13 Correct 0 ms 1192 KB Output is correct
14 Correct 0 ms 1192 KB Output is correct
15 Correct 0 ms 1192 KB Output is correct
16 Correct 0 ms 1192 KB Output is correct
17 Correct 0 ms 1192 KB Output is correct
18 Correct 0 ms 1192 KB Output is correct
19 Correct 0 ms 1192 KB Output is correct
20 Correct 0 ms 1192 KB Output is correct
21 Correct 0 ms 1192 KB Output is correct
22 Correct 0 ms 1192 KB Output is correct
23 Correct 0 ms 1192 KB Output is correct
24 Correct 0 ms 1192 KB Output is correct
25 Correct 0 ms 1192 KB Output is correct