oj.uz

Submission #349603

# Submission time Handle Problem Language Result Execution time Memory
349603 2021-01-18T01:42:16 Z thecodingwizard Job Scheduling (IOI19_job) C++17
12 / 100
 133 ms 47192 KB 
#include "job.h"
#include <bits/stdc++.h>

using namespace std;

using ll = long long;
#define pb push_back
#define all(x) x.begin(), x.end()
#define ii pair<int, int>
#define f first
#define s second
#define mp make_pair

ll ans = 0;
vector<int> adj[200000];
vector<int> p, u, d;
vector<pair<int, pair<ll,ll>>> indices;
bool done[200000];

void dfs(int node, ll dist, ll sumU) {
    //ans += d[node]*dist;
    indices.pb(mp(node, mp(dist, sumU)));
    for (int v : adj[node]) {
        dfs(v, dist+d[v], sumU + u[v]);
    }
}

long long scheduling_cost(std::vector<int> _p, std::vector<int> _u, std::vector<int> _d) {
    p = _p, u = _u, d = _d;

    int n = p.size();
    for (int i = 1; i < n; i++) {
        adj[p[i]].pb(i);
    }

    dfs(0, d[0], u[0]);

    ll curTime = 0;

    sort(all(indices), [](pair<int, pair<ll,ll>> x, pair<int, pair<ll,ll>> y) {
        return x.s.f*y.s.s<x.s.s*y.s.f;
    });

    for (auto x : indices) {
        vector<int> todo;
        int node = x.f;
        while (node != -1 && !done[node]) {
            todo.pb(node);
            done[node] = true;
            node = p[node];
        }
        reverse(all(todo));
        for (auto node : todo) {
            curTime += d[node];
            ans += curTime*u[node];
        }
    }

    return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 5120 KB Output is correct
2 Correct 4 ms 4972 KB Output is correct
3 Correct 4 ms 4972 KB Output is correct
4 Correct 4 ms 5100 KB Output is correct
5 Correct 34 ms 15200 KB Output is correct
6 Correct 69 ms 25952 KB Output is correct
7 Correct 97 ms 35932 KB Output is correct
8 Correct 125 ms 46172 KB Output is correct
9 Correct 124 ms 45652 KB Output is correct
10 Correct 132 ms 46056 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 128 ms 45776 KB Output is correct
13 Correct 121 ms 47192 KB Output is correct
14 Correct 122 ms 45520 KB Output is correct
15 Correct 115 ms 47064 KB Output is correct
16 Correct 118 ms 45528 KB Output is correct
17 Correct 133 ms 46928 KB Output is correct
18 Correct 127 ms 46032 KB Output is correct
19 Correct 115 ms 47064 KB Output is correct
20 Correct 117 ms 45400 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Correct 4 ms 5100 KB Output is correct
3 Correct 3 ms 4972 KB Output is correct
4 Correct 106 ms 19812 KB Output is correct
5 Correct 105 ms 19800 KB Output is correct
6 Correct 105 ms 19820 KB Output is correct
7 Correct 105 ms 19800 KB Output is correct
8 Correct 105 ms 19800 KB Output is correct
9 Correct 105 ms 19800 KB Output is correct
10 Correct 106 ms 19800 KB Output is correct
11 Correct 105 ms 19800 KB Output is correct

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 4972 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4972 KB Output is correct
2 Incorrect 126 ms 37212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4972 KB Output is correct
2 Incorrect 4 ms 4972 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 5120 KB Output is correct
2 Correct 4 ms 4972 KB Output is correct
3 Correct 4 ms 4972 KB Output is correct
4 Correct 4 ms 5100 KB Output is correct
5 Correct 34 ms 15200 KB Output is correct
6 Correct 69 ms 25952 KB Output is correct
7 Correct 97 ms 35932 KB Output is correct
8 Correct 125 ms 46172 KB Output is correct
9 Correct 124 ms 45652 KB Output is correct
10 Correct 132 ms 46056 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 128 ms 45776 KB Output is correct
13 Correct 121 ms 47192 KB Output is correct
14 Correct 122 ms 45520 KB Output is correct
15 Correct 115 ms 47064 KB Output is correct
16 Correct 118 ms 45528 KB Output is correct
17 Correct 133 ms 46928 KB Output is correct
18 Correct 127 ms 46032 KB Output is correct
19 Correct 115 ms 47064 KB Output is correct
20 Correct 117 ms 45400 KB Output is correct
21 Correct 3 ms 4992 KB Output is correct
22 Correct 4 ms 5100 KB Output is correct
23 Correct 3 ms 4972 KB Output is correct
24 Correct 106 ms 19812 KB Output is correct
25 Correct 105 ms 19800 KB Output is correct
26 Correct 105 ms 19820 KB Output is correct
27 Correct 105 ms 19800 KB Output is correct
28 Correct 105 ms 19800 KB Output is correct
29 Correct 105 ms 19800 KB Output is correct
30 Correct 106 ms 19800 KB Output is correct
31 Correct 105 ms 19800 KB Output is correct
32 Incorrect 3 ms 4972 KB Output isn't correct
33 Halted 0 ms 0 KB -