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Submission #210741

# Submission time Handle Problem Language Result Execution time Memory
210741 2020-03-18T09:42:04 Z Alexa2001 Job Scheduling (IOI19_job) C++17
100 / 100
 317 ms 35048 KB 
#include "job.h"
#include <vector>
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

vector<int> ord, t;
vector<vector<int>> v;

struct frac
{
    int x, y, id;
};

struct cmp
{
    bool operator () (frac a, frac b)
    {
        return (ll) a.x * b.y > (ll) b.x * a.y;
    }
};

void dfs(int node)
{
    ord.push_back(node);
    for(auto it : v[node])
        dfs(it);
}

int boss(int x)
{
    if(x == t[x]) return x;
    return t[x] = boss(t[x]);
}

ll scheduling_cost(vector<int> p, vector<int> u, vector<int> d)
{
    priority_queue<frac, vector<frac>, cmp> heap;

    vector<int> U, D;
    U = u;
    D = d;

    int i, n = p.size();

    for(i=1; i<n; ++i)
        heap.push({D[i], U[i], i});

    t.resize(n);

    for(i=0; i<n; ++i)
        t[i] = i;

    v.resize(n);

    while(heap.size())
    {
        auto el = heap.top();
        heap.pop();

        if(make_pair(D[el.id], U[el.id]) != make_pair(el.x, el.y)) continue;

        int father = boss(p[el.id]);
        t[el.id] = father;

        D[father] += D[el.id];
        U[father] += U[el.id];

        v[father].push_back(el.id);

        if(father)
            heap.push({D[father], U[father], father});
    }

    dfs(0);

    ll sum = 0, ans = 0;

    for(auto it : ord)
    {
        sum += d[it];
        ans += sum * u[it];
    }

	return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 6 ms 504 KB Output is correct
5 Correct 70 ms 6212 KB Output is correct
6 Correct 130 ms 12012 KB Output is correct
7 Correct 211 ms 18156 KB Output is correct
8 Correct 308 ms 23908 KB Output is correct
9 Correct 300 ms 23780 KB Output is correct
10 Correct 302 ms 23784 KB Output is correct
11 Correct 5 ms 400 KB Output is correct
12 Correct 300 ms 23780 KB Output is correct
13 Correct 227 ms 33480 KB Output is correct
14 Correct 246 ms 23908 KB Output is correct
15 Correct 201 ms 35048 KB Output is correct
16 Correct 226 ms 23900 KB Output is correct
17 Correct 304 ms 23912 KB Output is correct
18 Correct 299 ms 23912 KB Output is correct
19 Correct 206 ms 35048 KB Output is correct
20 Correct 156 ms 21612 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 150 ms 18768 KB Output is correct
5 Correct 164 ms 18788 KB Output is correct
6 Correct 150 ms 18788 KB Output is correct
7 Correct 144 ms 18788 KB Output is correct
8 Correct 159 ms 18788 KB Output is correct
9 Correct 155 ms 18792 KB Output is correct
10 Correct 145 ms 18788 KB Output is correct
11 Correct 147 ms 18784 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 256 KB Output is correct
2 Correct 5 ms 352 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 11 ms 1212 KB Output is correct
6 Correct 158 ms 19304 KB Output is correct
7 Correct 161 ms 19432 KB Output is correct
8 Correct 163 ms 19340 KB Output is correct
9 Correct 172 ms 19416 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 504 KB Output is correct
12 Correct 10 ms 1212 KB Output is correct
13 Correct 11 ms 1340 KB Output is correct
14 Correct 158 ms 19408 KB Output is correct
15 Correct 159 ms 19304 KB Output is correct
16 Correct 159 ms 19428 KB Output is correct
17 Correct 150 ms 19304 KB Output is correct
18 Correct 163 ms 19528 KB Output is correct
19 Correct 171 ms 19304 KB Output is correct
20 Correct 167 ms 19304 KB Output is correct
21 Correct 172 ms 19428 KB Output is correct
22 Correct 170 ms 19304 KB Output is correct
23 Correct 163 ms 19304 KB Output is correct
24 Correct 162 ms 19300 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 303 ms 23828 KB Output is correct
3 Correct 305 ms 23784 KB Output is correct
4 Correct 312 ms 23780 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 368 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 6 ms 376 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 1 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct

Subtask #6
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 6 ms 504 KB Output is correct
5 Correct 70 ms 6212 KB Output is correct
6 Correct 130 ms 12012 KB Output is correct
7 Correct 211 ms 18156 KB Output is correct
8 Correct 308 ms 23908 KB Output is correct
9 Correct 300 ms 23780 KB Output is correct
10 Correct 302 ms 23784 KB Output is correct
11 Correct 5 ms 400 KB Output is correct
12 Correct 300 ms 23780 KB Output is correct
13 Correct 227 ms 33480 KB Output is correct
14 Correct 246 ms 23908 KB Output is correct
15 Correct 201 ms 35048 KB Output is correct
16 Correct 226 ms 23900 KB Output is correct
17 Correct 304 ms 23912 KB Output is correct
18 Correct 299 ms 23912 KB Output is correct
19 Correct 206 ms 35048 KB Output is correct
20 Correct 156 ms 21612 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 150 ms 18768 KB Output is correct
25 Correct 164 ms 18788 KB Output is correct
26 Correct 150 ms 18788 KB Output is correct
27 Correct 144 ms 18788 KB Output is correct
28 Correct 159 ms 18788 KB Output is correct
29 Correct 155 ms 18792 KB Output is correct
30 Correct 145 ms 18788 KB Output is correct
31 Correct 147 ms 18784 KB Output is correct
32 Correct 6 ms 256 KB Output is correct
33 Correct 5 ms 352 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 11 ms 1212 KB Output is correct
37 Correct 158 ms 19304 KB Output is correct
38 Correct 161 ms 19432 KB Output is correct
39 Correct 163 ms 19340 KB Output is correct
40 Correct 172 ms 19416 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 504 KB Output is correct
43 Correct 10 ms 1212 KB Output is correct
44 Correct 11 ms 1340 KB Output is correct
45 Correct 158 ms 19408 KB Output is correct
46 Correct 159 ms 19304 KB Output is correct
47 Correct 159 ms 19428 KB Output is correct
48 Correct 150 ms 19304 KB Output is correct
49 Correct 163 ms 19528 KB Output is correct
50 Correct 171 ms 19304 KB Output is correct
51 Correct 167 ms 19304 KB Output is correct
52 Correct 172 ms 19428 KB Output is correct
53 Correct 170 ms 19304 KB Output is correct
54 Correct 163 ms 19304 KB Output is correct
55 Correct 162 ms 19300 KB Output is correct
56 Correct 5 ms 376 KB Output is correct
57 Correct 303 ms 23828 KB Output is correct
58 Correct 305 ms 23784 KB Output is correct
59 Correct 312 ms 23780 KB Output is correct
60 Correct 5 ms 256 KB Output is correct
61 Correct 5 ms 256 KB Output is correct
62 Correct 5 ms 368 KB Output is correct
63 Correct 5 ms 376 KB Output is correct
64 Correct 6 ms 376 KB Output is correct
65 Correct 5 ms 256 KB Output is correct
66 Correct 5 ms 256 KB Output is correct
67 Correct 1 ms 376 KB Output is correct
68 Correct 5 ms 376 KB Output is correct
69 Correct 5 ms 376 KB Output is correct
70 Correct 5 ms 376 KB Output is correct
71 Correct 5 ms 376 KB Output is correct
72 Correct 5 ms 376 KB Output is correct
73 Correct 5 ms 376 KB Output is correct
74 Correct 5 ms 376 KB Output is correct
75 Correct 5 ms 376 KB Output is correct
76 Correct 5 ms 376 KB Output is correct
77 Correct 5 ms 256 KB Output is correct
78 Correct 5 ms 256 KB Output is correct
79 Correct 5 ms 256 KB Output is correct
80 Correct 5 ms 256 KB Output is correct
81 Correct 5 ms 256 KB Output is correct
82 Correct 5 ms 256 KB Output is correct
83 Correct 5 ms 256 KB Output is correct
84 Correct 5 ms 256 KB Output is correct
85 Correct 5 ms 256 KB Output is correct
86 Correct 5 ms 256 KB Output is correct
87 Correct 5 ms 256 KB Output is correct
88 Correct 9 ms 888 KB Output is correct
89 Correct 12 ms 1148 KB Output is correct
90 Correct 13 ms 1340 KB Output is correct
91 Correct 53 ms 5692 KB Output is correct
92 Correct 111 ms 11116 KB Output is correct
93 Correct 260 ms 21864 KB Output is correct
94 Correct 261 ms 21864 KB Output is correct
95 Correct 292 ms 21860 KB Output is correct
96 Correct 271 ms 21840 KB Output is correct
97 Correct 247 ms 21456 KB Output is correct
98 Correct 246 ms 21992 KB Output is correct
99 Correct 225 ms 20708 KB Output is correct
100 Correct 260 ms 21864 KB Output is correct
101 Correct 317 ms 22428 KB Output is correct
102 Correct 186 ms 20588 KB Output is correct
103 Correct 277 ms 22752 KB Output is correct
104 Correct 291 ms 23272 KB Output is correct
105 Correct 214 ms 23780 KB Output is correct
106 Correct 167 ms 20072 KB Output is correct