Submission #1370393


Source Code Expand

#include <iostream>
#include <algorithm>
#include <string>
#include <cstring>
#include <vector>
using namespace std;

#define rep(i,a,n) for(int (i)=(a);(i)<(int)(n);(i)++)
#define foreach(c,itr) for(__typeof((c).begin()) itr=(c).begin();itr!=(c).end();itr++)
#define SZ(x) ((int) (x).size())
typedef long long ll;


 const int N = 50 + 5;
 long long x[N];
 long long c[N][N];
int main(){
    int n, a, b;
    rep(i,0,N) c[i][0] = 1;
    rep(i,1,N) rep(j,1,i+1) c[i][j] = c[i-1][j] + c[i-1][j-1];
    while(cin >> n >> a >> b) {
        rep(i,0,n) cin >> x[i];
        sort(x, x+n, greater<int>());
        long long sum = 0;
        rep(i,0,a) sum += x[i];
        int e = 0, d = 0;
        rep(i,0,a) if(x[i] == x[a-1]) e++;
        rep(i,0,n) if(x[i] == x[a-1]) d++;
        //cout << e << " " << d <<endl;
        printf("%.15lf\n%lld\n", (double)sum / a, c[d][e]);
    }
	return 0;
}

Submission Info

Submission Time
Task D - Maximum Average Sets
User vino
Language C++14 (GCC 5.4.1)
Score 0
Code Size 922 Byte
Status WA
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 400
Status
AC × 3
WA × 1
AC × 3
WA × 16
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, subtask_1_1.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_2.txt, subtask_1_3.txt, subtask_1_4.txt, subtask_1_5.txt, subtask_1_6.txt, subtask_1_7.txt, subtask_1_8.txt, subtask_1_9.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB
sample_04.txt WA 1 ms 256 KB
subtask_1_1.txt WA 1 ms 256 KB
subtask_1_10.txt WA 1 ms 256 KB
subtask_1_11.txt WA 1 ms 256 KB
subtask_1_12.txt WA 1 ms 256 KB
subtask_1_13.txt WA 1 ms 256 KB
subtask_1_14.txt WA 1 ms 256 KB
subtask_1_15.txt WA 1 ms 256 KB
subtask_1_2.txt WA 1 ms 256 KB
subtask_1_3.txt WA 1 ms 256 KB
subtask_1_4.txt WA 1 ms 256 KB
subtask_1_5.txt WA 1 ms 256 KB
subtask_1_6.txt WA 1 ms 256 KB
subtask_1_7.txt WA 1 ms 256 KB
subtask_1_8.txt WA 1 ms 256 KB
subtask_1_9.txt WA 1 ms 256 KB