oj.uz

Submission #202713

# Submission time Handle Problem Language Result Execution time Memory
202713 2020-02-17T20:48:37 Z anonymous Job Scheduling (IOI19_job) C++14
100 / 100
 418 ms 98680 KB 
#include "job.h"
#include <vector>
#include<set>
#include<iostream>
#define LL long long
#define MAXN 300005
using namespace std;
struct Job {LL wt, t;};
class CompareClass {
public:
    bool operator() (Job a, Job b) {
        return(a.wt*b.t > a.t*b.wt); //wt, time
    }
};
int N, big[MAXN];
LL U[MAXN], D[MAXN], ans; //cost, time
vector<int> chd[MAXN];
multiset<Job, CompareClass> Order[MAXN];
 
void dfs(int u) {
    big[u]=u;
    for (auto v: chd[u]) {
        dfs(v);
        if (Order[big[v]].size() > Order[big[u]].size()) {swap(big[u], big[v]);}
        for (Job j: Order[big[v]]) {
            Order[big[u]].insert(j);
        }
    }
    while (Order[big[u]].size()) {
            Job f = *Order[big[u]].begin();
            if (f.wt*D[u] >= f.t*U[u]) {
                ans-=f.t*U[u];
                U[u]+=f.wt, D[u]+=f.t;
                Order[big[u]].erase(Order[big[u]].begin());
            } else {
                break;
            }
    }
    Order[big[u]].insert(Job {U[u], D[u]});
}
LL scheduling_cost(std::vector<int> p, std::vector<int> u, std::vector<int> d) {
	N=p.size();
	for(int i=0; i<N; i++) {
        if (i) {chd[p[i]].push_back(i);}
        U[i]=u[i], D[i]=d[i];
	}
	LL time=0;
	dfs(0);
	for (Job j: Order[big[0]]) {
        time+=j.t;
        ans+=j.wt*time;
	}
	return(ans);
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 21496 KB Output is correct
2 Correct 18 ms 21496 KB Output is correct
3 Correct 18 ms 21496 KB Output is correct
4 Correct 19 ms 21624 KB Output is correct
5 Correct 49 ms 30200 KB Output is correct
6 Correct 79 ms 38652 KB Output is correct
7 Correct 117 ms 47224 KB Output is correct
8 Correct 142 ms 55544 KB Output is correct
9 Correct 141 ms 55544 KB Output is correct
10 Correct 140 ms 55544 KB Output is correct
11 Correct 20 ms 21496 KB Output is correct
12 Correct 142 ms 55536 KB Output is correct
13 Correct 139 ms 55544 KB Output is correct
14 Correct 143 ms 55572 KB Output is correct
15 Correct 136 ms 55544 KB Output is correct
16 Correct 158 ms 55672 KB Output is correct
17 Correct 142 ms 55544 KB Output is correct
18 Correct 144 ms 55544 KB Output is correct
19 Correct 136 ms 55544 KB Output is correct
20 Correct 187 ms 64120 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 21496 KB Output is correct
2 Correct 18 ms 21496 KB Output is correct
3 Correct 21 ms 21496 KB Output is correct
4 Correct 337 ms 56300 KB Output is correct
5 Correct 340 ms 56300 KB Output is correct
6 Correct 344 ms 56428 KB Output is correct
7 Correct 347 ms 56428 KB Output is correct
8 Correct 333 ms 56300 KB Output is correct
9 Correct 344 ms 56300 KB Output is correct
10 Correct 341 ms 56300 KB Output is correct
11 Correct 334 ms 56300 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 21496 KB Output is correct
2 Correct 18 ms 21496 KB Output is correct
3 Correct 19 ms 21496 KB Output is correct
4 Correct 19 ms 21624 KB Output is correct
5 Correct 27 ms 23288 KB Output is correct
6 Correct 320 ms 56428 KB Output is correct
7 Correct 324 ms 56428 KB Output is correct
8 Correct 324 ms 56300 KB Output is correct
9 Correct 323 ms 56392 KB Output is correct
10 Correct 18 ms 21496 KB Output is correct
11 Correct 19 ms 21752 KB Output is correct
12 Correct 26 ms 23032 KB Output is correct
13 Correct 27 ms 23288 KB Output is correct
14 Correct 333 ms 56432 KB Output is correct
15 Correct 313 ms 56300 KB Output is correct
16 Correct 324 ms 56428 KB Output is correct
17 Correct 318 ms 56300 KB Output is correct
18 Correct 318 ms 56300 KB Output is correct
19 Correct 318 ms 56396 KB Output is correct
20 Correct 317 ms 56300 KB Output is correct
21 Correct 327 ms 56300 KB Output is correct
22 Correct 314 ms 56300 KB Output is correct
23 Correct 337 ms 56428 KB Output is correct
24 Correct 314 ms 56304 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 21496 KB Output is correct
2 Correct 144 ms 46072 KB Output is correct
3 Correct 136 ms 46200 KB Output is correct
4 Correct 151 ms 46072 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 21496 KB Output is correct
2 Correct 20 ms 21492 KB Output is correct
3 Correct 19 ms 21496 KB Output is correct
4 Correct 21 ms 21496 KB Output is correct
5 Correct 19 ms 21496 KB Output is correct
6 Correct 18 ms 21500 KB Output is correct
7 Correct 18 ms 21496 KB Output is correct
8 Correct 18 ms 21496 KB Output is correct
9 Correct 19 ms 21500 KB Output is correct
10 Correct 18 ms 21624 KB Output is correct
11 Correct 19 ms 21496 KB Output is correct
12 Correct 18 ms 21496 KB Output is correct
13 Correct 19 ms 21496 KB Output is correct
14 Correct 19 ms 21500 KB Output is correct
15 Correct 18 ms 21496 KB Output is correct
16 Correct 19 ms 21500 KB Output is correct
17 Correct 19 ms 21496 KB Output is correct

Subtask #6
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 21496 KB Output is correct
2 Correct 18 ms 21496 KB Output is correct
3 Correct 18 ms 21496 KB Output is correct
4 Correct 19 ms 21624 KB Output is correct
5 Correct 49 ms 30200 KB Output is correct
6 Correct 79 ms 38652 KB Output is correct
7 Correct 117 ms 47224 KB Output is correct
8 Correct 142 ms 55544 KB Output is correct
9 Correct 141 ms 55544 KB Output is correct
10 Correct 140 ms 55544 KB Output is correct
11 Correct 20 ms 21496 KB Output is correct
12 Correct 142 ms 55536 KB Output is correct
13 Correct 139 ms 55544 KB Output is correct
14 Correct 143 ms 55572 KB Output is correct
15 Correct 136 ms 55544 KB Output is correct
16 Correct 158 ms 55672 KB Output is correct
17 Correct 142 ms 55544 KB Output is correct
18 Correct 144 ms 55544 KB Output is correct
19 Correct 136 ms 55544 KB Output is correct
20 Correct 187 ms 64120 KB Output is correct
21 Correct 19 ms 21496 KB Output is correct
22 Correct 18 ms 21496 KB Output is correct
23 Correct 21 ms 21496 KB Output is correct
24 Correct 337 ms 56300 KB Output is correct
25 Correct 340 ms 56300 KB Output is correct
26 Correct 344 ms 56428 KB Output is correct
27 Correct 347 ms 56428 KB Output is correct
28 Correct 333 ms 56300 KB Output is correct
29 Correct 344 ms 56300 KB Output is correct
30 Correct 341 ms 56300 KB Output is correct
31 Correct 334 ms 56300 KB Output is correct
32 Correct 18 ms 21496 KB Output is correct
33 Correct 18 ms 21496 KB Output is correct
34 Correct 19 ms 21496 KB Output is correct
35 Correct 19 ms 21624 KB Output is correct
36 Correct 27 ms 23288 KB Output is correct
37 Correct 320 ms 56428 KB Output is correct
38 Correct 324 ms 56428 KB Output is correct
39 Correct 324 ms 56300 KB Output is correct
40 Correct 323 ms 56392 KB Output is correct
41 Correct 18 ms 21496 KB Output is correct
42 Correct 19 ms 21752 KB Output is correct
43 Correct 26 ms 23032 KB Output is correct
44 Correct 27 ms 23288 KB Output is correct
45 Correct 333 ms 56432 KB Output is correct
46 Correct 313 ms 56300 KB Output is correct
47 Correct 324 ms 56428 KB Output is correct
48 Correct 318 ms 56300 KB Output is correct
49 Correct 318 ms 56300 KB Output is correct
50 Correct 318 ms 56396 KB Output is correct
51 Correct 317 ms 56300 KB Output is correct
52 Correct 327 ms 56300 KB Output is correct
53 Correct 314 ms 56300 KB Output is correct
54 Correct 337 ms 56428 KB Output is correct
55 Correct 314 ms 56304 KB Output is correct
56 Correct 18 ms 21496 KB Output is correct
57 Correct 144 ms 46072 KB Output is correct
58 Correct 136 ms 46200 KB Output is correct
59 Correct 151 ms 46072 KB Output is correct
60 Correct 18 ms 21496 KB Output is correct
61 Correct 20 ms 21492 KB Output is correct
62 Correct 19 ms 21496 KB Output is correct
63 Correct 21 ms 21496 KB Output is correct
64 Correct 19 ms 21496 KB Output is correct
65 Correct 18 ms 21500 KB Output is correct
66 Correct 18 ms 21496 KB Output is correct
67 Correct 18 ms 21496 KB Output is correct
68 Correct 19 ms 21500 KB Output is correct
69 Correct 18 ms 21624 KB Output is correct
70 Correct 19 ms 21496 KB Output is correct
71 Correct 18 ms 21496 KB Output is correct
72 Correct 19 ms 21496 KB Output is correct
73 Correct 19 ms 21500 KB Output is correct
74 Correct 18 ms 21496 KB Output is correct
75 Correct 19 ms 21500 KB Output is correct
76 Correct 19 ms 21496 KB Output is correct
77 Correct 19 ms 21496 KB Output is correct
78 Correct 18 ms 21624 KB Output is correct
79 Correct 19 ms 21496 KB Output is correct
80 Correct 19 ms 21500 KB Output is correct
81 Correct 19 ms 21496 KB Output is correct
82 Correct 18 ms 21496 KB Output is correct
83 Correct 19 ms 21496 KB Output is correct
84 Correct 19 ms 21496 KB Output is correct
85 Correct 18 ms 21496 KB Output is correct
86 Correct 19 ms 21496 KB Output is correct
87 Correct 18 ms 21496 KB Output is correct
88 Correct 24 ms 22520 KB Output is correct
89 Correct 26 ms 23160 KB Output is correct
90 Correct 28 ms 23672 KB Output is correct
91 Correct 87 ms 33400 KB Output is correct
92 Correct 168 ms 46004 KB Output is correct
93 Correct 334 ms 70012 KB Output is correct
94 Correct 343 ms 71160 KB Output is correct
95 Correct 334 ms 70904 KB Output is correct
96 Correct 348 ms 70776 KB Output is correct
97 Correct 327 ms 71288 KB Output is correct
98 Correct 343 ms 75768 KB Output is correct
99 Correct 370 ms 81528 KB Output is correct
100 Correct 336 ms 70392 KB Output is correct
101 Correct 271 ms 60152 KB Output is correct
102 Correct 418 ms 98680 KB Output is correct
103 Correct 295 ms 59540 KB Output is correct
104 Correct 257 ms 52088 KB Output is correct
105 Correct 211 ms 47736 KB Output is correct
106 Correct 382 ms 68344 KB Output is correct