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답안 #251009

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
251009 2020-07-19T22:38:58 Z cjoa Job Scheduling (IOI19_job) C++14
24 / 100
 113 ms 36472 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] += sumU[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 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 1 ms 512 KB Output is correct
5 Correct 27 ms 9336 KB Output is correct
6 Correct 54 ms 18300 KB Output is correct
7 Correct 81 ms 27256 KB Output is correct
8 Correct 112 ms 36472 KB Output is correct
9 Correct 110 ms 36344 KB Output is correct
10 Correct 106 ms 36344 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 101 ms 36344 KB Output is correct
13 Correct 105 ms 36352 KB Output is correct
14 Correct 106 ms 36344 KB Output is correct
15 Correct 108 ms 36360 KB Output is correct
16 Correct 104 ms 36344 KB Output is correct
17 Correct 104 ms 36344 KB Output is correct
18 Correct 103 ms 36344 KB Output is correct
19 Correct 113 ms 36384 KB Output is correct
20 Correct 107 ms 36472 KB Output is correct

Subtask #2
7.0 / 7.0

# 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 94 ms 15340 KB Output is correct
5 Correct 96 ms 15340 KB Output is correct
6 Correct 95 ms 15388 KB Output is correct
7 Correct 95 ms 15372 KB Output is correct
8 Correct 96 ms 15340 KB Output is correct
9 Correct 93 ms 15340 KB Output is correct
10 Correct 99 ms 15468 KB Output is correct
11 Correct 100 ms 15340 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 1152 KB Output is correct
6 Correct 106 ms 15340 KB Output is correct
7 Correct 103 ms 15360 KB Output is correct
8 Correct 110 ms 15468 KB Output is correct
9 Correct 103 ms 15356 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 4 ms 1024 KB Output is correct
13 Correct 5 ms 1152 KB Output is correct
14 Correct 113 ms 15340 KB Output is correct
15 Correct 110 ms 15340 KB Output is correct
16 Correct 105 ms 15468 KB Output is correct
17 Correct 105 ms 15340 KB Output is correct
18 Correct 105 ms 15340 KB Output is correct
19 Correct 111 ms 15340 KB Output is correct
20 Correct 108 ms 15468 KB Output is correct
21 Correct 112 ms 15344 KB Output is correct
22 Correct 105 ms 15340 KB Output is correct
23 Correct 105 ms 15340 KB Output is correct
24 Correct 109 ms 15468 KB Output is correct

Subtask #4
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 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 0 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 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 1 ms 512 KB Output is correct
5 Correct 27 ms 9336 KB Output is correct
6 Correct 54 ms 18300 KB Output is correct
7 Correct 81 ms 27256 KB Output is correct
8 Correct 112 ms 36472 KB Output is correct
9 Correct 110 ms 36344 KB Output is correct
10 Correct 106 ms 36344 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 101 ms 36344 KB Output is correct
13 Correct 105 ms 36352 KB Output is correct
14 Correct 106 ms 36344 KB Output is correct
15 Correct 108 ms 36360 KB Output is correct
16 Correct 104 ms 36344 KB Output is correct
17 Correct 104 ms 36344 KB Output is correct
18 Correct 103 ms 36344 KB Output is correct
19 Correct 113 ms 36384 KB Output is correct
20 Correct 107 ms 36472 KB Output is correct
21 Correct 0 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 94 ms 15340 KB Output is correct
25 Correct 96 ms 15340 KB Output is correct
26 Correct 95 ms 15388 KB Output is correct
27 Correct 95 ms 15372 KB Output is correct
28 Correct 96 ms 15340 KB Output is correct
29 Correct 93 ms 15340 KB Output is correct
30 Correct 99 ms 15468 KB Output is correct
31 Correct 100 ms 15340 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 1152 KB Output is correct
37 Correct 106 ms 15340 KB Output is correct
38 Correct 103 ms 15360 KB Output is correct
39 Correct 110 ms 15468 KB Output is correct
40 Correct 103 ms 15356 KB Output is correct
41 Correct 0 ms 256 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 4 ms 1024 KB Output is correct
44 Correct 5 ms 1152 KB Output is correct
45 Correct 113 ms 15340 KB Output is correct
46 Correct 110 ms 15340 KB Output is correct
47 Correct 105 ms 15468 KB Output is correct
48 Correct 105 ms 15340 KB Output is correct
49 Correct 105 ms 15340 KB Output is correct
50 Correct 111 ms 15340 KB Output is correct
51 Correct 108 ms 15468 KB Output is correct
52 Correct 112 ms 15344 KB Output is correct
53 Correct 105 ms 15340 KB Output is correct
54 Correct 105 ms 15340 KB Output is correct
55 Correct 109 ms 15468 KB Output is correct
56 Incorrect 1 ms 256 KB Output isn't correct
57 Halted 0 ms 0 KB -