oj.uz

Submission #143470

# Submission time Handle Problem Language Result Execution time Memory
143470 2019-08-14T08:23:12 Z dolphingarlic Job Scheduling (IOI19_job) C++14
100 / 100
 262 ms 27564 KB 
#include "job.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long

const int mxN = 2e5;
int n, nxt[mxN], ta[mxN];
vector<int> o;
ll u2[mxN], d2[mxN];

struct cmp {
    bool operator()(const int &a, const int &b) {
        return d2[a] * u2[b] > d2[b] * u2[a];
    }
};
priority_queue<int, vector<int>, cmp> c[mxN];

void dfs(int u) {
    o.push_back(u);
    for (; c[u].size(); c[u].pop())
        dfs(c[u].top());
}

ll scheduling_cost(vector<int> p, vector<int> u, vector<int> d) {
    n = p.size();
    memset(nxt, -1, 4 * n);
    iota(ta, ta + n, 0);
    for (int i = n - 1; ~i; --i) {
        u2[i] = u[i];
        d2[i] = d[i];
        while (c[i].size()) {
            int u = c[i].top();
            if (cmp()(u, i))
                break;
            c[i].pop();
            nxt[ta[i]] = u;
            ta[i] = ta[u];
            u2[i] += u2[u];
            d2[i] += d2[u];
            if (c[i].size() < c[u].size())
                swap(c[i], c[u]);
            for (; c[u].size(); c[u].pop())
                c[i].push(c[u].top());
        }
        if (i)
            c[p[i]].push(i);
    }
    dfs(0);
    sort(o.begin(), o.end(), cmp());
    ll t = 0, ans = 0;
    for (int i = o.size() - 1; ~i; --i) {
        for (int j = o[i]; ~j; j = nxt[j]) {
            t += d[j];
            ans += t * u[j];
        }
    }
    return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6648 KB Output is correct
2 Correct 7 ms 6648 KB Output is correct
3 Correct 7 ms 6648 KB Output is correct
4 Correct 8 ms 6648 KB Output is correct
5 Correct 32 ms 10488 KB Output is correct
6 Correct 58 ms 14456 KB Output is correct
7 Correct 81 ms 18296 KB Output is correct
8 Correct 107 ms 22184 KB Output is correct
9 Correct 110 ms 22332 KB Output is correct
10 Correct 109 ms 22264 KB Output is correct
11 Correct 7 ms 6648 KB Output is correct
12 Correct 107 ms 22264 KB Output is correct
13 Correct 105 ms 22264 KB Output is correct
14 Correct 107 ms 22264 KB Output is correct
15 Correct 112 ms 22264 KB Output is correct
16 Correct 107 ms 22364 KB Output is correct
17 Correct 112 ms 22328 KB Output is correct
18 Correct 107 ms 22264 KB Output is correct
19 Correct 104 ms 22264 KB Output is correct
20 Correct 118 ms 27564 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 6648 KB Output is correct
2 Correct 7 ms 6648 KB Output is correct
3 Correct 8 ms 6648 KB Output is correct
4 Correct 219 ms 18288 KB Output is correct
5 Correct 224 ms 18352 KB Output is correct
6 Correct 222 ms 18368 KB Output is correct
7 Correct 224 ms 18284 KB Output is correct
8 Correct 224 ms 18284 KB Output is correct
9 Correct 205 ms 18284 KB Output is correct
10 Correct 232 ms 18428 KB Output is correct
11 Correct 225 ms 18464 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 6648 KB Output is correct
2 Correct 7 ms 6648 KB Output is correct
3 Correct 7 ms 6648 KB Output is correct
4 Correct 8 ms 6648 KB Output is correct
5 Correct 14 ms 7160 KB Output is correct
6 Correct 220 ms 18256 KB Output is correct
7 Correct 219 ms 18284 KB Output is correct
8 Correct 237 ms 18284 KB Output is correct
9 Correct 220 ms 18384 KB Output is correct
10 Correct 9 ms 6520 KB Output is correct
11 Correct 9 ms 6648 KB Output is correct
12 Correct 15 ms 7160 KB Output is correct
13 Correct 14 ms 7160 KB Output is correct
14 Correct 232 ms 18284 KB Output is correct
15 Correct 220 ms 18284 KB Output is correct
16 Correct 218 ms 18308 KB Output is correct
17 Correct 216 ms 18312 KB Output is correct
18 Correct 220 ms 18372 KB Output is correct
19 Correct 215 ms 18584 KB Output is correct
20 Correct 226 ms 18412 KB Output is correct
21 Correct 223 ms 18292 KB Output is correct
22 Correct 222 ms 18372 KB Output is correct
23 Correct 223 ms 18288 KB Output is correct
24 Correct 262 ms 18412 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 6676 KB Output is correct
2 Correct 108 ms 22348 KB Output is correct
3 Correct 108 ms 22264 KB Output is correct
4 Correct 108 ms 22236 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 6648 KB Output is correct
2 Correct 7 ms 6524 KB Output is correct
3 Correct 7 ms 6648 KB Output is correct
4 Correct 10 ms 6648 KB Output is correct
5 Correct 7 ms 6648 KB Output is correct
6 Correct 7 ms 6648 KB Output is correct
7 Correct 9 ms 6648 KB Output is correct
8 Correct 7 ms 6648 KB Output is correct
9 Correct 7 ms 6648 KB Output is correct
10 Correct 7 ms 6648 KB Output is correct
11 Correct 7 ms 6648 KB Output is correct
12 Correct 7 ms 6648 KB Output is correct
13 Correct 7 ms 6648 KB Output is correct
14 Correct 7 ms 6648 KB Output is correct
15 Correct 7 ms 6648 KB Output is correct
16 Correct 7 ms 6648 KB Output is correct
17 Correct 7 ms 6648 KB Output is correct

Subtask #6
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6648 KB Output is correct
2 Correct 7 ms 6648 KB Output is correct
3 Correct 7 ms 6648 KB Output is correct
4 Correct 8 ms 6648 KB Output is correct
5 Correct 32 ms 10488 KB Output is correct
6 Correct 58 ms 14456 KB Output is correct
7 Correct 81 ms 18296 KB Output is correct
8 Correct 107 ms 22184 KB Output is correct
9 Correct 110 ms 22332 KB Output is correct
10 Correct 109 ms 22264 KB Output is correct
11 Correct 7 ms 6648 KB Output is correct
12 Correct 107 ms 22264 KB Output is correct
13 Correct 105 ms 22264 KB Output is correct
14 Correct 107 ms 22264 KB Output is correct
15 Correct 112 ms 22264 KB Output is correct
16 Correct 107 ms 22364 KB Output is correct
17 Correct 112 ms 22328 KB Output is correct
18 Correct 107 ms 22264 KB Output is correct
19 Correct 104 ms 22264 KB Output is correct
20 Correct 118 ms 27564 KB Output is correct
21 Correct 9 ms 6648 KB Output is correct
22 Correct 7 ms 6648 KB Output is correct
23 Correct 8 ms 6648 KB Output is correct
24 Correct 219 ms 18288 KB Output is correct
25 Correct 224 ms 18352 KB Output is correct
26 Correct 222 ms 18368 KB Output is correct
27 Correct 224 ms 18284 KB Output is correct
28 Correct 224 ms 18284 KB Output is correct
29 Correct 205 ms 18284 KB Output is correct
30 Correct 232 ms 18428 KB Output is correct
31 Correct 225 ms 18464 KB Output is correct
32 Correct 7 ms 6648 KB Output is correct
33 Correct 7 ms 6648 KB Output is correct
34 Correct 7 ms 6648 KB Output is correct
35 Correct 8 ms 6648 KB Output is correct
36 Correct 14 ms 7160 KB Output is correct
37 Correct 220 ms 18256 KB Output is correct
38 Correct 219 ms 18284 KB Output is correct
39 Correct 237 ms 18284 KB Output is correct
40 Correct 220 ms 18384 KB Output is correct
41 Correct 9 ms 6520 KB Output is correct
42 Correct 9 ms 6648 KB Output is correct
43 Correct 15 ms 7160 KB Output is correct
44 Correct 14 ms 7160 KB Output is correct
45 Correct 232 ms 18284 KB Output is correct
46 Correct 220 ms 18284 KB Output is correct
47 Correct 218 ms 18308 KB Output is correct
48 Correct 216 ms 18312 KB Output is correct
49 Correct 220 ms 18372 KB Output is correct
50 Correct 215 ms 18584 KB Output is correct
51 Correct 226 ms 18412 KB Output is correct
52 Correct 223 ms 18292 KB Output is correct
53 Correct 222 ms 18372 KB Output is correct
54 Correct 223 ms 18288 KB Output is correct
55 Correct 262 ms 18412 KB Output is correct
56 Correct 7 ms 6676 KB Output is correct
57 Correct 108 ms 22348 KB Output is correct
58 Correct 108 ms 22264 KB Output is correct
59 Correct 108 ms 22236 KB Output is correct
60 Correct 7 ms 6648 KB Output is correct
61 Correct 7 ms 6524 KB Output is correct
62 Correct 7 ms 6648 KB Output is correct
63 Correct 10 ms 6648 KB Output is correct
64 Correct 7 ms 6648 KB Output is correct
65 Correct 7 ms 6648 KB Output is correct
66 Correct 9 ms 6648 KB Output is correct
67 Correct 7 ms 6648 KB Output is correct
68 Correct 7 ms 6648 KB Output is correct
69 Correct 7 ms 6648 KB Output is correct
70 Correct 7 ms 6648 KB Output is correct
71 Correct 7 ms 6648 KB Output is correct
72 Correct 7 ms 6648 KB Output is correct
73 Correct 7 ms 6648 KB Output is correct
74 Correct 7 ms 6648 KB Output is correct
75 Correct 7 ms 6648 KB Output is correct
76 Correct 7 ms 6648 KB Output is correct
77 Correct 8 ms 6648 KB Output is correct
78 Correct 7 ms 6648 KB Output is correct
79 Correct 7 ms 6520 KB Output is correct
80 Correct 7 ms 6648 KB Output is correct
81 Correct 7 ms 6648 KB Output is correct
82 Correct 7 ms 6648 KB Output is correct
83 Correct 7 ms 6648 KB Output is correct
84 Correct 7 ms 6648 KB Output is correct
85 Correct 7 ms 6520 KB Output is correct
86 Correct 9 ms 6648 KB Output is correct
87 Correct 7 ms 6648 KB Output is correct
88 Correct 10 ms 6904 KB Output is correct
89 Correct 13 ms 7160 KB Output is correct
90 Correct 16 ms 7288 KB Output is correct
91 Correct 49 ms 10104 KB Output is correct
92 Correct 104 ms 13524 KB Output is correct
93 Correct 197 ms 20320 KB Output is correct
94 Correct 191 ms 20340 KB Output is correct
95 Correct 193 ms 20344 KB Output is correct
96 Correct 201 ms 20352 KB Output is correct
97 Correct 183 ms 19700 KB Output is correct
98 Correct 175 ms 20704 KB Output is correct
99 Correct 177 ms 19704 KB Output is correct
100 Correct 198 ms 20308 KB Output is correct
101 Correct 165 ms 20980 KB Output is correct
102 Correct 196 ms 20420 KB Output is correct
103 Correct 172 ms 19940 KB Output is correct
104 Correct 157 ms 20472 KB Output is correct
105 Correct 132 ms 20604 KB Output is correct
106 Correct 174 ms 18416 KB Output is correct