oj.uz

Submission #1015922

# Submission time Handle Problem Language Result Execution time Memory
1015922 2024-07-07T04:58:01 Z fryingduc Job Scheduling (IOI19_job) C++17
100 / 100
 179 ms 62276 KB 
#include "bits/stdc++.h"
#include "job.h"
using namespace std;

const int maxn = 2e5 + 5;
int n, w[maxn], t[maxn], p[maxn];
vector<int> g[maxn];

struct info {
    long long w, t, total;
    void merge(const info &o) {
        total += o.total + t * o.w;
        w += o.w;
        t += o.t;
    }
    bool operator<(const info &o) const {
        return w * o.t > o.w * t;
    }
    bool operator>(const info &o) const {
        return w * o.t < o.w * t;
    }
};

priority_queue<info, vector<info>, greater<info>> pq[maxn];
void dfs(int u) {
    for(auto v:g[u]) {
        dfs(v);
        if(pq[u].size() < pq[v].size()) {
            swap(pq[u], pq[v]);
        }
        while(!pq[v].empty()) {
            pq[u].push(pq[v].top());
            pq[v].pop();
        }
    }
    info cur = {w[u], t[u], 1ll * w[u] * t[u]};
    while(!pq[u].empty()) {
        info top = pq[u].top();
        if(cur < top) break;
        cur.merge(pq[u].top());
        pq[u].pop();
    }
    pq[u].push(cur);
}
long long scheduling_cost(vector<int> _p, vector<int> _w, vector<int> _t) {
    n = _p.size();
    for(int i = 0; i < n; ++i) {
        p[i] = _p[i];
        w[i] = _w[i];
        t[i] = _t[i];
        
        if(p[i] != -1) {
            g[p[i]].push_back(i);
        }
    }
    dfs(0);
    info cur = {0, 0, 0};
    while(!pq[0].empty()) {
        cur.merge(pq[0].top());
        pq[0].pop();
    }
    return cur.total;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 11352 KB Output is correct
2 Correct 4 ms 11356 KB Output is correct
3 Correct 5 ms 11356 KB Output is correct
4 Correct 5 ms 11612 KB Output is correct
5 Correct 22 ms 22364 KB Output is correct
6 Correct 39 ms 33624 KB Output is correct
7 Correct 62 ms 44780 KB Output is correct
8 Correct 72 ms 55888 KB Output is correct
9 Correct 82 ms 55892 KB Output is correct
10 Correct 71 ms 55892 KB Output is correct
11 Correct 5 ms 11356 KB Output is correct
12 Correct 77 ms 55844 KB Output is correct
13 Correct 70 ms 55892 KB Output is correct
14 Correct 80 ms 55888 KB Output is correct
15 Correct 82 ms 55976 KB Output is correct
16 Correct 83 ms 56148 KB Output is correct
17 Correct 74 ms 55892 KB Output is correct
18 Correct 73 ms 55840 KB Output is correct
19 Correct 68 ms 55888 KB Output is correct
20 Correct 98 ms 62276 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 11352 KB Output is correct
2 Correct 5 ms 11608 KB Output is correct
3 Correct 5 ms 11356 KB Output is correct
4 Correct 89 ms 31928 KB Output is correct
5 Correct 103 ms 31932 KB Output is correct
6 Correct 83 ms 31928 KB Output is correct
7 Correct 84 ms 31928 KB Output is correct
8 Correct 85 ms 31780 KB Output is correct
9 Correct 100 ms 31856 KB Output is correct
10 Correct 79 ms 31928 KB Output is correct
11 Correct 90 ms 31928 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 11352 KB Output is correct
2 Correct 4 ms 11356 KB Output is correct
3 Correct 4 ms 11208 KB Output is correct
4 Correct 4 ms 11352 KB Output is correct
5 Correct 8 ms 12424 KB Output is correct
6 Correct 90 ms 32444 KB Output is correct
7 Correct 87 ms 32256 KB Output is correct
8 Correct 80 ms 32268 KB Output is correct
9 Correct 85 ms 32288 KB Output is correct
10 Correct 4 ms 11356 KB Output is correct
11 Correct 5 ms 11356 KB Output is correct
12 Correct 8 ms 12376 KB Output is correct
13 Correct 8 ms 12440 KB Output is correct
14 Correct 87 ms 32440 KB Output is correct
15 Correct 81 ms 32444 KB Output is correct
16 Correct 92 ms 32428 KB Output is correct
17 Correct 85 ms 32440 KB Output is correct
18 Correct 87 ms 32440 KB Output is correct
19 Correct 94 ms 32500 KB Output is correct
20 Correct 91 ms 32440 KB Output is correct
21 Correct 87 ms 32372 KB Output is correct
22 Correct 88 ms 32440 KB Output is correct
23 Correct 82 ms 32296 KB Output is correct
24 Correct 91 ms 32444 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 11352 KB Output is correct
2 Correct 67 ms 41760 KB Output is correct
3 Correct 65 ms 41760 KB Output is correct
4 Correct 68 ms 41812 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 11356 KB Output is correct
2 Correct 5 ms 11356 KB Output is correct
3 Correct 7 ms 11356 KB Output is correct
4 Correct 5 ms 11356 KB Output is correct
5 Correct 5 ms 11356 KB Output is correct
6 Correct 5 ms 11356 KB Output is correct
7 Correct 5 ms 11356 KB Output is correct
8 Correct 4 ms 11400 KB Output is correct
9 Correct 5 ms 11356 KB Output is correct
10 Correct 5 ms 11356 KB Output is correct
11 Correct 4 ms 11356 KB Output is correct
12 Correct 5 ms 11352 KB Output is correct
13 Correct 5 ms 11356 KB Output is correct
14 Correct 5 ms 11408 KB Output is correct
15 Correct 5 ms 11352 KB Output is correct
16 Correct 5 ms 11356 KB Output is correct
17 Correct 5 ms 11356 KB Output is correct

Subtask #6
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 11352 KB Output is correct
2 Correct 4 ms 11356 KB Output is correct
3 Correct 5 ms 11356 KB Output is correct
4 Correct 5 ms 11612 KB Output is correct
5 Correct 22 ms 22364 KB Output is correct
6 Correct 39 ms 33624 KB Output is correct
7 Correct 62 ms 44780 KB Output is correct
8 Correct 72 ms 55888 KB Output is correct
9 Correct 82 ms 55892 KB Output is correct
10 Correct 71 ms 55892 KB Output is correct
11 Correct 5 ms 11356 KB Output is correct
12 Correct 77 ms 55844 KB Output is correct
13 Correct 70 ms 55892 KB Output is correct
14 Correct 80 ms 55888 KB Output is correct
15 Correct 82 ms 55976 KB Output is correct
16 Correct 83 ms 56148 KB Output is correct
17 Correct 74 ms 55892 KB Output is correct
18 Correct 73 ms 55840 KB Output is correct
19 Correct 68 ms 55888 KB Output is correct
20 Correct 98 ms 62276 KB Output is correct
21 Correct 4 ms 11352 KB Output is correct
22 Correct 5 ms 11608 KB Output is correct
23 Correct 5 ms 11356 KB Output is correct
24 Correct 89 ms 31928 KB Output is correct
25 Correct 103 ms 31932 KB Output is correct
26 Correct 83 ms 31928 KB Output is correct
27 Correct 84 ms 31928 KB Output is correct
28 Correct 85 ms 31780 KB Output is correct
29 Correct 100 ms 31856 KB Output is correct
30 Correct 79 ms 31928 KB Output is correct
31 Correct 90 ms 31928 KB Output is correct
32 Correct 4 ms 11352 KB Output is correct
33 Correct 4 ms 11356 KB Output is correct
34 Correct 4 ms 11208 KB Output is correct
35 Correct 4 ms 11352 KB Output is correct
36 Correct 8 ms 12424 KB Output is correct
37 Correct 90 ms 32444 KB Output is correct
38 Correct 87 ms 32256 KB Output is correct
39 Correct 80 ms 32268 KB Output is correct
40 Correct 85 ms 32288 KB Output is correct
41 Correct 4 ms 11356 KB Output is correct
42 Correct 5 ms 11356 KB Output is correct
43 Correct 8 ms 12376 KB Output is correct
44 Correct 8 ms 12440 KB Output is correct
45 Correct 87 ms 32440 KB Output is correct
46 Correct 81 ms 32444 KB Output is correct
47 Correct 92 ms 32428 KB Output is correct
48 Correct 85 ms 32440 KB Output is correct
49 Correct 87 ms 32440 KB Output is correct
50 Correct 94 ms 32500 KB Output is correct
51 Correct 91 ms 32440 KB Output is correct
52 Correct 87 ms 32372 KB Output is correct
53 Correct 88 ms 32440 KB Output is correct
54 Correct 82 ms 32296 KB Output is correct
55 Correct 91 ms 32444 KB Output is correct
56 Correct 4 ms 11352 KB Output is correct
57 Correct 67 ms 41760 KB Output is correct
58 Correct 65 ms 41760 KB Output is correct
59 Correct 68 ms 41812 KB Output is correct
60 Correct 4 ms 11356 KB Output is correct
61 Correct 5 ms 11356 KB Output is correct
62 Correct 7 ms 11356 KB Output is correct
63 Correct 5 ms 11356 KB Output is correct
64 Correct 5 ms 11356 KB Output is correct
65 Correct 5 ms 11356 KB Output is correct
66 Correct 5 ms 11356 KB Output is correct
67 Correct 4 ms 11400 KB Output is correct
68 Correct 5 ms 11356 KB Output is correct
69 Correct 5 ms 11356 KB Output is correct
70 Correct 4 ms 11356 KB Output is correct
71 Correct 5 ms 11352 KB Output is correct
72 Correct 5 ms 11356 KB Output is correct
73 Correct 5 ms 11408 KB Output is correct
74 Correct 5 ms 11352 KB Output is correct
75 Correct 5 ms 11356 KB Output is correct
76 Correct 5 ms 11356 KB Output is correct
77 Correct 5 ms 11356 KB Output is correct
78 Correct 5 ms 11352 KB Output is correct
79 Correct 5 ms 11356 KB Output is correct
80 Correct 4 ms 11356 KB Output is correct
81 Correct 4 ms 11356 KB Output is correct
82 Correct 5 ms 11356 KB Output is correct
83 Correct 4 ms 11356 KB Output is correct
84 Correct 4 ms 11356 KB Output is correct
85 Correct 5 ms 11356 KB Output is correct
86 Correct 5 ms 11356 KB Output is correct
87 Correct 4 ms 11356 KB Output is correct
88 Correct 8 ms 12120 KB Output is correct
89 Correct 9 ms 12380 KB Output is correct
90 Correct 9 ms 12636 KB Output is correct
91 Correct 35 ms 19024 KB Output is correct
92 Correct 62 ms 26644 KB Output is correct
93 Correct 132 ms 42220 KB Output is correct
94 Correct 133 ms 42752 KB Output is correct
95 Correct 136 ms 42504 KB Output is correct
96 Correct 124 ms 42248 KB Output is correct
97 Correct 134 ms 42460 KB Output is correct
98 Correct 147 ms 45256 KB Output is correct
99 Correct 138 ms 46288 KB Output is correct
100 Correct 155 ms 42432 KB Output is correct
101 Correct 118 ms 39176 KB Output is correct
102 Correct 179 ms 54480 KB Output is correct
103 Correct 119 ms 37380 KB Output is correct
104 Correct 96 ms 35148 KB Output is correct
105 Correct 98 ms 33500 KB Output is correct
106 Correct 107 ms 38136 KB Output is correct