oj.uz

답안 #15453

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
15453 2015-07-12T07:54:35 Z ainta 최적의 능력 구성 (kriii3_C) C++
62 / 62
 200 ms 9276 KB 
#include<stdio.h>
double DP[1048576], Res;
struct A{
    double p;
    int d;
}w[20];
int n;
int main(){
    int a, i, j, c;
    scanf("%d",&n);
    for(i=0;i<n;i++){
        scanf("%d%d",&a,&w[i].d);
        w[i].p=0.01*a;
    }
    for(i=1;i<(1<<n);i++){
        c=0;
        for(j=0;j<n;j++)if((1<<j)&i)c++;
        for(j=0;j<n;j++){
            if(!(i&(1<<j)))continue;
            DP[i] += (w[j].p*w[j].d + (1.0-w[j].p)*DP[i^(1<<j)])*1.0/c;
        }
        if(Res<DP[i])Res=DP[i];
    }
    printf("%.11lf\n",Res);
}

Subtask #1
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 9276 KB Output is correct
2 Correct 0 ms 9276 KB Output is correct
3 Correct 0 ms 9276 KB Output is correct
4 Correct 0 ms 9276 KB Output is correct
5 Correct 0 ms 9276 KB Output is correct
6 Correct 0 ms 9276 KB Output is correct
7 Correct 0 ms 9276 KB Output is correct
8 Correct 0 ms 9276 KB Output is correct
9 Correct 0 ms 9276 KB Output is correct
10 Correct 0 ms 9276 KB Output is correct
11 Correct 0 ms 9276 KB Output is correct
12 Correct 0 ms 9276 KB Output is correct
13 Correct 0 ms 9276 KB Output is correct
14 Correct 0 ms 9276 KB Output is correct
15 Correct 0 ms 9276 KB Output is correct
16 Correct 0 ms 9276 KB Output is correct
17 Correct 0 ms 9276 KB Output is correct
18 Correct 0 ms 9276 KB Output is correct
19 Correct 0 ms 9276 KB Output is correct
20 Correct 0 ms 9276 KB Output is correct
21 Correct 0 ms 9276 KB Output is correct
22 Correct 0 ms 9276 KB Output is correct
23 Correct 0 ms 9276 KB Output is correct
24 Correct 0 ms 9276 KB Output is correct
25 Correct 0 ms 9276 KB Output is correct

Subtask #2
37.0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Correct 192 ms 9276 KB Output is correct
2 Correct 192 ms 9276 KB Output is correct
3 Correct 197 ms 9276 KB Output is correct
4 Correct 192 ms 9276 KB Output is correct
5 Correct 192 ms 9276 KB Output is correct
6 Correct 198 ms 9276 KB Output is correct
7 Correct 193 ms 9276 KB Output is correct
8 Correct 200 ms 9276 KB Output is correct
9 Correct 188 ms 9276 KB Output is correct
10 Correct 193 ms 9276 KB Output is correct
11 Correct 196 ms 9276 KB Output is correct
12 Correct 192 ms 9276 KB Output is correct
13 Correct 196 ms 9276 KB Output is correct
14 Correct 196 ms 9276 KB Output is correct
15 Correct 197 ms 9276 KB Output is correct
16 Correct 193 ms 9276 KB Output is correct
17 Correct 197 ms 9276 KB Output is correct
18 Correct 196 ms 9276 KB Output is correct
19 Correct 197 ms 9276 KB Output is correct
20 Correct 198 ms 9276 KB Output is correct