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답안 #251008

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
251008 2020-07-19T22:36:05 Z cjoa Job Scheduling (IOI19_job) C++14
24 / 100
 130 ms 39548 KB 
#include "job.h"

#include <vector>
#include <algorithm>
//#include <iostream>

using namespace std;

typedef vector<int> VI;
typedef vector<VI> VVI;
typedef long long llong;

int N;
VVI tree;
VI D, U;
vector<llong> sumD, sumU;
void dfs(int x) {
   sumD[x] = D[x];
   sumU[x] = U[x];
   for (int y : tree[x]) {
      dfs(y);
      sumD[x] += sumD[y];
      sumU[x] += sumD[y];
   }
}

llong dfs2(int x, llong T) {
   T += D[x];
   llong res = U[x] * T;

   sort(tree[x].begin(), tree[x].end(),
        [&] (int i, int j) -> bool {
            return sumD[i] * sumU[j] < sumD[j] * sumU[i];
        });

   for (int y : tree[x]) {
      res += dfs2(y, T);
      T += sumD[y];
   }
   return res;
}

long long scheduling_cost(vector<int> p, vector<int> u, vector<int> d) {
   N = p.size();
   tree = VVI(N);

   ::D = d;
   ::U = u;

   for (int i = 1; i < N; ++i)
      tree[ p[i] ].push_back(i);

   sumD.assign(N, 0);
   sumU.assign(N, 0);

   dfs(0);

// for (int x = 0; x < N; ++x)
//    cerr << x << ": " << sumD[x] << ' ' << sumU[x] << endl;

   llong res = dfs2(0, 0);

   return res;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 28 ms 10112 KB Output is correct
6 Correct 53 ms 19832 KB Output is correct
7 Correct 83 ms 29692 KB Output is correct
8 Correct 127 ms 39548 KB Output is correct
9 Correct 107 ms 39548 KB Output is correct
10 Correct 101 ms 39544 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 110 ms 39544 KB Output is correct
13 Correct 106 ms 39544 KB Output is correct
14 Correct 109 ms 39544 KB Output is correct
15 Correct 106 ms 39544 KB Output is correct
16 Correct 108 ms 39548 KB Output is correct
17 Correct 100 ms 39544 KB Output is correct
18 Correct 99 ms 39544 KB Output is correct
19 Correct 103 ms 39544 KB Output is correct
20 Correct 117 ms 39544 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 99 ms 17132 KB Output is correct
5 Correct 102 ms 17132 KB Output is correct
6 Correct 104 ms 17260 KB Output is correct
7 Correct 123 ms 17260 KB Output is correct
8 Correct 108 ms 17132 KB Output is correct
9 Correct 108 ms 17260 KB Output is correct
10 Correct 96 ms 17132 KB Output is correct
11 Correct 100 ms 17132 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 5 ms 1280 KB Output is correct
6 Correct 114 ms 17668 KB Output is correct
7 Correct 105 ms 17644 KB Output is correct
8 Correct 105 ms 17644 KB Output is correct
9 Correct 109 ms 17644 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 7 ms 1280 KB Output is correct
13 Correct 5 ms 1280 KB Output is correct
14 Correct 119 ms 17776 KB Output is correct
15 Correct 114 ms 17656 KB Output is correct
16 Correct 111 ms 17644 KB Output is correct
17 Correct 113 ms 17752 KB Output is correct
18 Correct 130 ms 17644 KB Output is correct
19 Correct 110 ms 17644 KB Output is correct
20 Correct 107 ms 17648 KB Output is correct
21 Correct 108 ms 17772 KB Output is correct
22 Correct 121 ms 17736 KB Output is correct
23 Correct 109 ms 17772 KB Output is correct
24 Correct 121 ms 17644 KB Output is correct

Subtask #4
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Incorrect 1 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 28 ms 10112 KB Output is correct
6 Correct 53 ms 19832 KB Output is correct
7 Correct 83 ms 29692 KB Output is correct
8 Correct 127 ms 39548 KB Output is correct
9 Correct 107 ms 39548 KB Output is correct
10 Correct 101 ms 39544 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 110 ms 39544 KB Output is correct
13 Correct 106 ms 39544 KB Output is correct
14 Correct 109 ms 39544 KB Output is correct
15 Correct 106 ms 39544 KB Output is correct
16 Correct 108 ms 39548 KB Output is correct
17 Correct 100 ms 39544 KB Output is correct
18 Correct 99 ms 39544 KB Output is correct
19 Correct 103 ms 39544 KB Output is correct
20 Correct 117 ms 39544 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 0 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 99 ms 17132 KB Output is correct
25 Correct 102 ms 17132 KB Output is correct
26 Correct 104 ms 17260 KB Output is correct
27 Correct 123 ms 17260 KB Output is correct
28 Correct 108 ms 17132 KB Output is correct
29 Correct 108 ms 17260 KB Output is correct
30 Correct 96 ms 17132 KB Output is correct
31 Correct 100 ms 17132 KB Output is correct
32 Correct 0 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 0 ms 256 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 5 ms 1280 KB Output is correct
37 Correct 114 ms 17668 KB Output is correct
38 Correct 105 ms 17644 KB Output is correct
39 Correct 105 ms 17644 KB Output is correct
40 Correct 109 ms 17644 KB Output is correct
41 Correct 1 ms 256 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 7 ms 1280 KB Output is correct
44 Correct 5 ms 1280 KB Output is correct
45 Correct 119 ms 17776 KB Output is correct
46 Correct 114 ms 17656 KB Output is correct
47 Correct 111 ms 17644 KB Output is correct
48 Correct 113 ms 17752 KB Output is correct
49 Correct 130 ms 17644 KB Output is correct
50 Correct 110 ms 17644 KB Output is correct
51 Correct 107 ms 17648 KB Output is correct
52 Correct 108 ms 17772 KB Output is correct
53 Correct 121 ms 17736 KB Output is correct
54 Correct 109 ms 17772 KB Output is correct
55 Correct 121 ms 17644 KB Output is correct
56 Incorrect 0 ms 256 KB Output isn't correct
57 Halted 0 ms 0 KB -