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답안 #15311

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
15311 2015-07-12T05:40:25 Z xhae 최적의 능력 구성 (kriii3_C) C++14
62 / 62
 107 ms 9916 KB 
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <vector>
#include <string>
#include <queue>
#include <map>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include <iostream>
#include <sstream>
#include <set>
using namespace std;

int main()
{
  int N;
  cin >> N;
  vector<int> p(N), d(N);
  for (int i=0; i<N; i++)
    cin >> p[i] >> d[i];

  vector<double> res(1<<N);
  double ret = 0.0;

  for (int i=1; i<(1<<N); i++) {
    int cnt = 0;
    double sum = 0.0;
    for (int j=0; j<N; j++) {
      if (i&(1<<j)) {
        sum += 0.01 * p[j] * d[j] + (1.0 - 0.01 * p[j]) * res[i-(1<<j)];
        cnt ++;
      }
    }

    res[i] = sum / cnt;

    ret = max(ret, res[i]);
  }

  cout << setprecision(15) << ret << endl;
}

Subtask #1
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1720 KB Output is correct
2 Correct 0 ms 1720 KB Output is correct
3 Correct 0 ms 1720 KB Output is correct
4 Correct 0 ms 1720 KB Output is correct
5 Correct 0 ms 1720 KB Output is correct
6 Correct 0 ms 1720 KB Output is correct
7 Correct 0 ms 1720 KB Output is correct
8 Correct 0 ms 1720 KB Output is correct
9 Correct 0 ms 1720 KB Output is correct
10 Correct 0 ms 1720 KB Output is correct
11 Correct 0 ms 1720 KB Output is correct
12 Correct 0 ms 1720 KB Output is correct
13 Correct 0 ms 1720 KB Output is correct
14 Correct 0 ms 1720 KB Output is correct
15 Correct 0 ms 1720 KB Output is correct
16 Correct 0 ms 1720 KB Output is correct
17 Correct 0 ms 1720 KB Output is correct
18 Correct 0 ms 1720 KB Output is correct
19 Correct 0 ms 1720 KB Output is correct
20 Correct 0 ms 1720 KB Output is correct
21 Correct 0 ms 1720 KB Output is correct
22 Correct 0 ms 1720 KB Output is correct
23 Correct 0 ms 1720 KB Output is correct
24 Correct 0 ms 1720 KB Output is correct
25 Correct 0 ms 1720 KB Output is correct

Subtask #2
37.0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Correct 103 ms 9916 KB Output is correct
2 Correct 103 ms 9916 KB Output is correct
3 Correct 106 ms 9916 KB Output is correct
4 Correct 104 ms 9916 KB Output is correct
5 Correct 107 ms 9916 KB Output is correct
6 Correct 107 ms 9916 KB Output is correct
7 Correct 106 ms 9916 KB Output is correct
8 Correct 106 ms 9916 KB Output is correct
9 Correct 107 ms 9916 KB Output is correct
10 Correct 103 ms 9916 KB Output is correct
11 Correct 103 ms 9916 KB Output is correct
12 Correct 107 ms 9916 KB Output is correct
13 Correct 103 ms 9916 KB Output is correct
14 Correct 107 ms 9916 KB Output is correct
15 Correct 103 ms 9916 KB Output is correct
16 Correct 106 ms 9916 KB Output is correct
17 Correct 106 ms 9916 KB Output is correct
18 Correct 103 ms 9916 KB Output is correct
19 Correct 103 ms 9916 KB Output is correct
20 Correct 103 ms 9916 KB Output is correct