답안 #313669

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
313669	2020-10-16T14:39:40 Z	MiricaMatei	Job Scheduling (IOI19_job)	C++14	24 / 100	203 ms	31860 KB

#include <bits/stdc++.h>

using namespace std;

const int MAXN = 200005;

vector<int>G[MAXN];
long long U[MAXN], D[MAXN];

void dfs(int node, int papa) {
  for (auto it:G[node])
    if (it != papa) {
      dfs(it, node);
      U[node] += U[it];
      D[node] += D[it];
    }
}

struct Obj {
  long long i, u, d;
  bool operator <(const Obj& other) const {
    bool ans;
    if (u == 0) {
      ans = 0;
    } else {
      if (other.u == 0) {
        ans = 1;
      } else {
        if (1LL * d * other.u < 1LL * other.d * u)
          ans = 1;
        else
          ans = 0;
      }
    }
    return !ans;
  }
};

long long scheduling_cost(vector<int>p, vector<int>u, vector<int>d) {
  int n = p.size();
  for (int i = 0; i < n; ++i)
    U[i] = u[i], D[i] = d[i];
  for (int i = 1; i < n; ++i)
    G[p[i]].push_back(i);
  dfs(0, -1);
  long long ans = 0;
  long long t = 0;
  priority_queue<Obj>pq;
  pq.push({0, U[0], D[0]});
  while (!pq.empty()) {
    Obj aux = pq.top();
    pq.pop();
    t += d[aux.i];
    ans += t * u[aux.i];
    for (auto it:G[aux.i])
      pq.push({it, U[it], D[it]});
  }
  return ans;
}

/*int main() {
  freopen("date.in", "r", stdin);
  freopen("date.out", "w", stdout);

  int n;
  scanf("%d", &n);
  vector<int>p(n), u(n), d(n);
  for (int i = 0; i < n; ++i)
    scanf("%d", &p[i]);
  for (int i = 0; i < n; ++i)
    scanf("%d", &u[i]);
  for (int i = 0; i < n; ++i)
    scanf("%d", &d[i]);

  printf("%lld\n", scheduling_cost(p, u, d));

  return 0;
}*/

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	4992 KB	Output is correct
2	Correct	3 ms	4992 KB	Output is correct
3	Correct	4 ms	4992 KB	Output is correct
4	Correct	4 ms	5120 KB	Output is correct
5	Correct	32 ms	11640 KB	Output is correct
6	Correct	61 ms	18296 KB	Output is correct
7	Correct	93 ms	24952 KB	Output is correct
8	Correct	121 ms	31736 KB	Output is correct
9	Correct	120 ms	31608 KB	Output is correct
10	Correct	119 ms	31616 KB	Output is correct
11	Correct	4 ms	5120 KB	Output is correct
12	Correct	119 ms	31860 KB	Output is correct
13	Correct	119 ms	31608 KB	Output is correct
14	Correct	119 ms	31584 KB	Output is correct
15	Correct	120 ms	31608 KB	Output is correct
16	Correct	118 ms	31608 KB	Output is correct
17	Correct	121 ms	31608 KB	Output is correct
18	Correct	120 ms	31608 KB	Output is correct
19	Correct	119 ms	31608 KB	Output is correct
20	Correct	125 ms	31608 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	4992 KB	Output is correct
2	Correct	4 ms	4992 KB	Output is correct
3	Correct	4 ms	4992 KB	Output is correct
4	Correct	176 ms	20580 KB	Output is correct
5	Correct	176 ms	20580 KB	Output is correct
6	Correct	174 ms	20580 KB	Output is correct
7	Correct	172 ms	20580 KB	Output is correct
8	Correct	171 ms	20580 KB	Output is correct
9	Correct	173 ms	20580 KB	Output is correct
10	Correct	172 ms	20580 KB	Output is correct
11	Correct	172 ms	20580 KB	Output is correct

Subtask #3
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	4992 KB	Output is correct
2	Correct	3 ms	4992 KB	Output is correct
3	Correct	3 ms	4992 KB	Output is correct
4	Correct	4 ms	5120 KB	Output is correct
5	Correct	10 ms	6000 KB	Output is correct
6	Correct	178 ms	20580 KB	Output is correct
7	Correct	186 ms	20580 KB	Output is correct
8	Correct	203 ms	20580 KB	Output is correct
9	Correct	182 ms	20592 KB	Output is correct
10	Correct	4 ms	4992 KB	Output is correct
11	Correct	4 ms	5120 KB	Output is correct
12	Correct	9 ms	6000 KB	Output is correct
13	Correct	10 ms	6000 KB	Output is correct
14	Correct	181 ms	20580 KB	Output is correct
15	Correct	188 ms	20580 KB	Output is correct
16	Correct	185 ms	20584 KB	Output is correct
17	Correct	180 ms	20580 KB	Output is correct
18	Correct	191 ms	20580 KB	Output is correct
19	Correct	180 ms	20584 KB	Output is correct
20	Correct	181 ms	20580 KB	Output is correct
21	Correct	182 ms	20580 KB	Output is correct
22	Correct	179 ms	20580 KB	Output is correct
23	Correct	178 ms	20580 KB	Output is correct
24	Correct	188 ms	20580 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	4 ms	4992 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4992 KB	Output is correct
2	Incorrect	4 ms	4992 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #6
0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	4992 KB	Output is correct
2	Correct	3 ms	4992 KB	Output is correct
3	Correct	4 ms	4992 KB	Output is correct
4	Correct	4 ms	5120 KB	Output is correct
5	Correct	32 ms	11640 KB	Output is correct
6	Correct	61 ms	18296 KB	Output is correct
7	Correct	93 ms	24952 KB	Output is correct
8	Correct	121 ms	31736 KB	Output is correct
9	Correct	120 ms	31608 KB	Output is correct
10	Correct	119 ms	31616 KB	Output is correct
11	Correct	4 ms	5120 KB	Output is correct
12	Correct	119 ms	31860 KB	Output is correct
13	Correct	119 ms	31608 KB	Output is correct
14	Correct	119 ms	31584 KB	Output is correct
15	Correct	120 ms	31608 KB	Output is correct
16	Correct	118 ms	31608 KB	Output is correct
17	Correct	121 ms	31608 KB	Output is correct
18	Correct	120 ms	31608 KB	Output is correct
19	Correct	119 ms	31608 KB	Output is correct
20	Correct	125 ms	31608 KB	Output is correct
21	Correct	4 ms	4992 KB	Output is correct
22	Correct	4 ms	4992 KB	Output is correct
23	Correct	4 ms	4992 KB	Output is correct
24	Correct	176 ms	20580 KB	Output is correct
25	Correct	176 ms	20580 KB	Output is correct
26	Correct	174 ms	20580 KB	Output is correct
27	Correct	172 ms	20580 KB	Output is correct
28	Correct	171 ms	20580 KB	Output is correct
29	Correct	173 ms	20580 KB	Output is correct
30	Correct	172 ms	20580 KB	Output is correct
31	Correct	172 ms	20580 KB	Output is correct
32	Correct	4 ms	4992 KB	Output is correct
33	Correct	3 ms	4992 KB	Output is correct
34	Correct	3 ms	4992 KB	Output is correct
35	Correct	4 ms	5120 KB	Output is correct
36	Correct	10 ms	6000 KB	Output is correct
37	Correct	178 ms	20580 KB	Output is correct
38	Correct	186 ms	20580 KB	Output is correct
39	Correct	203 ms	20580 KB	Output is correct
40	Correct	182 ms	20592 KB	Output is correct
41	Correct	4 ms	4992 KB	Output is correct
42	Correct	4 ms	5120 KB	Output is correct
43	Correct	9 ms	6000 KB	Output is correct
44	Correct	10 ms	6000 KB	Output is correct
45	Correct	181 ms	20580 KB	Output is correct
46	Correct	188 ms	20580 KB	Output is correct
47	Correct	185 ms	20584 KB	Output is correct
48	Correct	180 ms	20580 KB	Output is correct
49	Correct	191 ms	20580 KB	Output is correct
50	Correct	180 ms	20584 KB	Output is correct
51	Correct	181 ms	20580 KB	Output is correct
52	Correct	182 ms	20580 KB	Output is correct
53	Correct	179 ms	20580 KB	Output is correct
54	Correct	178 ms	20580 KB	Output is correct
55	Correct	188 ms	20580 KB	Output is correct
56	Incorrect	4 ms	4992 KB	Output isn't correct
57	Halted	0 ms	0 KB	-

답안 #313669

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 12.0 / 12.0

Subtask #4 0 / 18.0

Subtask #5 0 / 21.0

Subtask #6 0 / 37.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
12.0 / 12.0

Subtask #4
0 / 18.0

Subtask #5
0 / 21.0

Subtask #6
0 / 37.0