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답안 #202709

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
202709 2020-02-17T20:42:41 Z anonymous Job Scheduling (IOI19_job) C++14
100 / 100
 423 ms 101520 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

# 결과 실행 시간 메모리 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 21620 KB Output is correct
5 Correct 54 ms 30712 KB Output is correct
6 Correct 82 ms 39800 KB Output is correct
7 Correct 111 ms 49048 KB Output is correct
8 Correct 143 ms 58232 KB Output is correct
9 Correct 144 ms 58448 KB Output is correct
10 Correct 140 ms 58232 KB Output is correct
11 Correct 18 ms 21496 KB Output is correct
12 Correct 142 ms 58232 KB Output is correct
13 Correct 137 ms 58360 KB Output is correct
14 Correct 157 ms 58360 KB Output is correct
15 Correct 138 ms 58548 KB Output is correct
16 Correct 159 ms 58488 KB Output is correct
17 Correct 142 ms 58360 KB Output is correct
18 Correct 149 ms 58360 KB Output is correct
19 Correct 135 ms 58360 KB Output is correct
20 Correct 186 ms 66936 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 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 328 ms 57708 KB Output is correct
5 Correct 342 ms 57684 KB Output is correct
6 Correct 325 ms 57708 KB Output is correct
7 Correct 332 ms 57708 KB Output is correct
8 Correct 325 ms 57708 KB Output is correct
9 Correct 331 ms 57708 KB Output is correct
10 Correct 345 ms 57708 KB Output is correct
11 Correct 336 ms 57720 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 21496 KB Output is correct
2 Correct 17 ms 21496 KB Output is correct
3 Correct 18 ms 21496 KB Output is correct
4 Correct 18 ms 21624 KB Output is correct
5 Correct 27 ms 23416 KB Output is correct
6 Correct 316 ms 58220 KB Output is correct
7 Correct 328 ms 58220 KB Output is correct
8 Correct 328 ms 58220 KB Output is correct
9 Correct 321 ms 58220 KB Output is correct
10 Correct 18 ms 21496 KB Output is correct
11 Correct 20 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 330 ms 58304 KB Output is correct
15 Correct 332 ms 58220 KB Output is correct
16 Correct 317 ms 58280 KB Output is correct
17 Correct 341 ms 58220 KB Output is correct
18 Correct 334 ms 58348 KB Output is correct
19 Correct 323 ms 58224 KB Output is correct
20 Correct 314 ms 58220 KB Output is correct
21 Correct 317 ms 58348 KB Output is correct
22 Correct 322 ms 58220 KB Output is correct
23 Correct 327 ms 58352 KB Output is correct
24 Correct 328 ms 58220 KB Output is correct

Subtask #4
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 21496 KB Output is correct
2 Correct 143 ms 48888 KB Output is correct
3 Correct 146 ms 48888 KB Output is correct
4 Correct 150 ms 49144 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 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 20 ms 21500 KB Output is correct
5 Correct 20 ms 21496 KB Output is correct
6 Correct 17 ms 21624 KB Output is correct
7 Correct 18 ms 21496 KB Output is correct
8 Correct 18 ms 21496 KB Output is correct
9 Correct 18 ms 21528 KB Output is correct
10 Correct 20 ms 21496 KB Output is correct
11 Correct 20 ms 21496 KB Output is correct
12 Correct 19 ms 21496 KB Output is correct
13 Correct 18 ms 21496 KB Output is correct
14 Correct 17 ms 21496 KB Output is correct
15 Correct 18 ms 21496 KB Output is correct
16 Correct 19 ms 21496 KB Output is correct
17 Correct 20 ms 21496 KB Output is correct

Subtask #6
37.0 / 37.0

# 결과 실행 시간 메모리 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 21620 KB Output is correct
5 Correct 54 ms 30712 KB Output is correct
6 Correct 82 ms 39800 KB Output is correct
7 Correct 111 ms 49048 KB Output is correct
8 Correct 143 ms 58232 KB Output is correct
9 Correct 144 ms 58448 KB Output is correct
10 Correct 140 ms 58232 KB Output is correct
11 Correct 18 ms 21496 KB Output is correct
12 Correct 142 ms 58232 KB Output is correct
13 Correct 137 ms 58360 KB Output is correct
14 Correct 157 ms 58360 KB Output is correct
15 Correct 138 ms 58548 KB Output is correct
16 Correct 159 ms 58488 KB Output is correct
17 Correct 142 ms 58360 KB Output is correct
18 Correct 149 ms 58360 KB Output is correct
19 Correct 135 ms 58360 KB Output is correct
20 Correct 186 ms 66936 KB Output is correct
21 Correct 17 ms 21496 KB Output is correct
22 Correct 18 ms 21496 KB Output is correct
23 Correct 18 ms 21496 KB Output is correct
24 Correct 328 ms 57708 KB Output is correct
25 Correct 342 ms 57684 KB Output is correct
26 Correct 325 ms 57708 KB Output is correct
27 Correct 332 ms 57708 KB Output is correct
28 Correct 325 ms 57708 KB Output is correct
29 Correct 331 ms 57708 KB Output is correct
30 Correct 345 ms 57708 KB Output is correct
31 Correct 336 ms 57720 KB Output is correct
32 Correct 18 ms 21496 KB Output is correct
33 Correct 17 ms 21496 KB Output is correct
34 Correct 18 ms 21496 KB Output is correct
35 Correct 18 ms 21624 KB Output is correct
36 Correct 27 ms 23416 KB Output is correct
37 Correct 316 ms 58220 KB Output is correct
38 Correct 328 ms 58220 KB Output is correct
39 Correct 328 ms 58220 KB Output is correct
40 Correct 321 ms 58220 KB Output is correct
41 Correct 18 ms 21496 KB Output is correct
42 Correct 20 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 330 ms 58304 KB Output is correct
46 Correct 332 ms 58220 KB Output is correct
47 Correct 317 ms 58280 KB Output is correct
48 Correct 341 ms 58220 KB Output is correct
49 Correct 334 ms 58348 KB Output is correct
50 Correct 323 ms 58224 KB Output is correct
51 Correct 314 ms 58220 KB Output is correct
52 Correct 317 ms 58348 KB Output is correct
53 Correct 322 ms 58220 KB Output is correct
54 Correct 327 ms 58352 KB Output is correct
55 Correct 328 ms 58220 KB Output is correct
56 Correct 18 ms 21496 KB Output is correct
57 Correct 143 ms 48888 KB Output is correct
58 Correct 146 ms 48888 KB Output is correct
59 Correct 150 ms 49144 KB Output is correct
60 Correct 18 ms 21496 KB Output is correct
61 Correct 18 ms 21496 KB Output is correct
62 Correct 18 ms 21496 KB Output is correct
63 Correct 20 ms 21500 KB Output is correct
64 Correct 20 ms 21496 KB Output is correct
65 Correct 17 ms 21624 KB Output is correct
66 Correct 18 ms 21496 KB Output is correct
67 Correct 18 ms 21496 KB Output is correct
68 Correct 18 ms 21528 KB Output is correct
69 Correct 20 ms 21496 KB Output is correct
70 Correct 20 ms 21496 KB Output is correct
71 Correct 19 ms 21496 KB Output is correct
72 Correct 18 ms 21496 KB Output is correct
73 Correct 17 ms 21496 KB Output is correct
74 Correct 18 ms 21496 KB Output is correct
75 Correct 19 ms 21496 KB Output is correct
76 Correct 20 ms 21496 KB Output is correct
77 Correct 19 ms 21496 KB Output is correct
78 Correct 18 ms 21404 KB Output is correct
79 Correct 19 ms 21496 KB Output is correct
80 Correct 19 ms 21496 KB Output is correct
81 Correct 18 ms 21496 KB Output is correct
82 Correct 19 ms 21496 KB Output is correct
83 Correct 20 ms 21496 KB Output is correct
84 Correct 18 ms 21496 KB Output is correct
85 Correct 18 ms 21496 KB Output is correct
86 Correct 18 ms 21496 KB Output is correct
87 Correct 18 ms 21496 KB Output is correct
88 Correct 25 ms 22520 KB Output is correct
89 Correct 27 ms 23160 KB Output is correct
90 Correct 29 ms 23672 KB Output is correct
91 Correct 87 ms 33784 KB Output is correct
92 Correct 177 ms 46840 KB Output is correct
93 Correct 351 ms 72952 KB Output is correct
94 Correct 369 ms 74016 KB Output is correct
95 Correct 372 ms 73740 KB Output is correct
96 Correct 354 ms 73464 KB Output is correct
97 Correct 349 ms 74104 KB Output is correct
98 Correct 343 ms 78712 KB Output is correct
99 Correct 371 ms 84244 KB Output is correct
100 Correct 357 ms 73464 KB Output is correct
101 Correct 270 ms 62840 KB Output is correct
102 Correct 423 ms 101520 KB Output is correct
103 Correct 306 ms 62200 KB Output is correct
104 Correct 268 ms 55032 KB Output is correct
105 Correct 204 ms 50680 KB Output is correct
106 Correct 382 ms 70648 KB Output is correct