답안 #208637

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
208637	2020-03-12T00:22:07 Z	eriksuenderhauf	Job Scheduling (IOI19_job)	C++14	100 / 100	204 ms	31216 KB

//#pragma GCC optimize("O3")
#include "job.h"
#include <bits/stdc++.h>
#define pii pair<int,int>
#define vi vector<int>
#define vii vector<pii>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
typedef long long ll;
const int MAXN = 2e5 + 5;
int U[MAXN], D[MAXN];

bool operator<(pii lhs, pii rhs) {
	return (ll)lhs.fi * (ll)rhs.se < (ll)rhs.fi * (ll)lhs.se;
}

struct cmp {
	bool operator()(int lhs, int rhs) {
		return mp(U[lhs],D[lhs]) < mp(U[rhs],D[rhs]);
	}
};

priority_queue<int,vi,cmp> pq[MAXN];
int nx[MAXN], idx[MAXN];
vi ans;

void merge(int u) {
	while (!pq[u].empty()) {
		int v = pq[u].top();
		if (mp(U[v], D[v]) < mp(U[u], D[u]))
			return;
		pq[u].pop();
		nx[idx[u]] = v;
		idx[u] = idx[v];
		U[u] += U[v];
		D[u] += D[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();
		}
	}
}

void dfs(int u) {
	ans.pb(u);
	while (!pq[u].empty()) {
		int v = pq[u].top(); pq[u].pop();
		dfs(v);
	}
}

ll scheduling_cost(vi p, vi u, vi d) {
	int n = p.size();
	for (int i = 0; i < n; i++) {
		tie(idx[i],nx[i]) = mp(i,-1);
		tie(U[i],D[i]) = mp(u[i], d[i]);
	}
	for (int i = n-1; i > 0; i--) {
		merge(i);
		pq[p[i]].push(i);
	}
	merge(0);
	dfs(0);
	sort(ans.begin(), ans.end(), [](int lhs, int rhs) {
		return mp(U[lhs],D[lhs]) < mp(U[rhs],D[rhs]);
	});
	ll sm = 0, ret = 0;
	for (int i = ans.size()-1; i >= 0; i--) {
		for (int j = ans[i]; j != -1; j = nx[j]) {
			sm += d[j];
			ret += sm * u[j];
		}
	}
	return ret;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	6648 KB	Output is correct
2	Correct	8 ms	6648 KB	Output is correct
3	Correct	8 ms	6648 KB	Output is correct
4	Correct	9 ms	6648 KB	Output is correct
5	Correct	36 ms	11000 KB	Output is correct
6	Correct	64 ms	15224 KB	Output is correct
7	Correct	92 ms	19448 KB	Output is correct
8	Correct	119 ms	23836 KB	Output is correct
9	Correct	118 ms	23832 KB	Output is correct
10	Correct	120 ms	23800 KB	Output is correct
11	Correct	8 ms	6652 KB	Output is correct
12	Correct	124 ms	23928 KB	Output is correct
13	Correct	117 ms	23800 KB	Output is correct
14	Correct	120 ms	23928 KB	Output is correct
15	Correct	118 ms	24056 KB	Output is correct
16	Correct	118 ms	24056 KB	Output is correct
17	Correct	116 ms	23800 KB	Output is correct
18	Correct	116 ms	24056 KB	Output is correct
19	Correct	113 ms	23928 KB	Output is correct
20	Correct	130 ms	31216 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	6648 KB	Output is correct
2	Correct	9 ms	6648 KB	Output is correct
3	Correct	8 ms	6648 KB	Output is correct
4	Correct	192 ms	18548 KB	Output is correct
5	Correct	197 ms	18540 KB	Output is correct
6	Correct	190 ms	18540 KB	Output is correct
7	Correct	185 ms	18540 KB	Output is correct
8	Correct	197 ms	18544 KB	Output is correct
9	Correct	190 ms	18540 KB	Output is correct
10	Correct	192 ms	18544 KB	Output is correct
11	Correct	195 ms	18540 KB	Output is correct

Subtask #3
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	6648 KB	Output is correct
2	Correct	8 ms	6648 KB	Output is correct
3	Correct	8 ms	6652 KB	Output is correct
4	Correct	9 ms	6648 KB	Output is correct
5	Correct	15 ms	7288 KB	Output is correct
6	Correct	198 ms	19180 KB	Output is correct
7	Correct	198 ms	19052 KB	Output is correct
8	Correct	201 ms	19052 KB	Output is correct
9	Correct	201 ms	19180 KB	Output is correct
10	Correct	8 ms	6648 KB	Output is correct
11	Correct	10 ms	6648 KB	Output is correct
12	Correct	14 ms	7160 KB	Output is correct
13	Correct	15 ms	7160 KB	Output is correct
14	Correct	202 ms	19180 KB	Output is correct
15	Correct	194 ms	19052 KB	Output is correct
16	Correct	203 ms	19052 KB	Output is correct
17	Correct	197 ms	19052 KB	Output is correct
18	Correct	197 ms	19052 KB	Output is correct
19	Correct	196 ms	19052 KB	Output is correct
20	Correct	200 ms	19052 KB	Output is correct
21	Correct	204 ms	19052 KB	Output is correct
22	Correct	196 ms	19052 KB	Output is correct
23	Correct	195 ms	19052 KB	Output is correct
24	Correct	201 ms	19052 KB	Output is correct

Subtask #4
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	6648 KB	Output is correct
2	Correct	116 ms	23928 KB	Output is correct
3	Correct	120 ms	23868 KB	Output is correct
4	Correct	119 ms	23800 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	6648 KB	Output is correct
2	Correct	9 ms	6580 KB	Output is correct
3	Correct	8 ms	6648 KB	Output is correct
4	Correct	9 ms	6648 KB	Output is correct
5	Correct	8 ms	6648 KB	Output is correct
6	Correct	8 ms	6648 KB	Output is correct
7	Correct	8 ms	6648 KB	Output is correct
8	Correct	8 ms	6648 KB	Output is correct
9	Correct	9 ms	6648 KB	Output is correct
10	Correct	8 ms	6648 KB	Output is correct
11	Correct	8 ms	6648 KB	Output is correct
12	Correct	8 ms	6648 KB	Output is correct
13	Correct	8 ms	6648 KB	Output is correct
14	Correct	8 ms	6648 KB	Output is correct
15	Correct	8 ms	6648 KB	Output is correct
16	Correct	8 ms	6648 KB	Output is correct
17	Correct	9 ms	6648 KB	Output is correct

Subtask #6
37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	6648 KB	Output is correct
2	Correct	8 ms	6648 KB	Output is correct
3	Correct	8 ms	6648 KB	Output is correct
4	Correct	9 ms	6648 KB	Output is correct
5	Correct	36 ms	11000 KB	Output is correct
6	Correct	64 ms	15224 KB	Output is correct
7	Correct	92 ms	19448 KB	Output is correct
8	Correct	119 ms	23836 KB	Output is correct
9	Correct	118 ms	23832 KB	Output is correct
10	Correct	120 ms	23800 KB	Output is correct
11	Correct	8 ms	6652 KB	Output is correct
12	Correct	124 ms	23928 KB	Output is correct
13	Correct	117 ms	23800 KB	Output is correct
14	Correct	120 ms	23928 KB	Output is correct
15	Correct	118 ms	24056 KB	Output is correct
16	Correct	118 ms	24056 KB	Output is correct
17	Correct	116 ms	23800 KB	Output is correct
18	Correct	116 ms	24056 KB	Output is correct
19	Correct	113 ms	23928 KB	Output is correct
20	Correct	130 ms	31216 KB	Output is correct
21	Correct	9 ms	6648 KB	Output is correct
22	Correct	9 ms	6648 KB	Output is correct
23	Correct	8 ms	6648 KB	Output is correct
24	Correct	192 ms	18548 KB	Output is correct
25	Correct	197 ms	18540 KB	Output is correct
26	Correct	190 ms	18540 KB	Output is correct
27	Correct	185 ms	18540 KB	Output is correct
28	Correct	197 ms	18544 KB	Output is correct
29	Correct	190 ms	18540 KB	Output is correct
30	Correct	192 ms	18544 KB	Output is correct
31	Correct	195 ms	18540 KB	Output is correct
32	Correct	9 ms	6648 KB	Output is correct
33	Correct	8 ms	6648 KB	Output is correct
34	Correct	8 ms	6652 KB	Output is correct
35	Correct	9 ms	6648 KB	Output is correct
36	Correct	15 ms	7288 KB	Output is correct
37	Correct	198 ms	19180 KB	Output is correct
38	Correct	198 ms	19052 KB	Output is correct
39	Correct	201 ms	19052 KB	Output is correct
40	Correct	201 ms	19180 KB	Output is correct
41	Correct	8 ms	6648 KB	Output is correct
42	Correct	10 ms	6648 KB	Output is correct
43	Correct	14 ms	7160 KB	Output is correct
44	Correct	15 ms	7160 KB	Output is correct
45	Correct	202 ms	19180 KB	Output is correct
46	Correct	194 ms	19052 KB	Output is correct
47	Correct	203 ms	19052 KB	Output is correct
48	Correct	197 ms	19052 KB	Output is correct
49	Correct	197 ms	19052 KB	Output is correct
50	Correct	196 ms	19052 KB	Output is correct
51	Correct	200 ms	19052 KB	Output is correct
52	Correct	204 ms	19052 KB	Output is correct
53	Correct	196 ms	19052 KB	Output is correct
54	Correct	195 ms	19052 KB	Output is correct
55	Correct	201 ms	19052 KB	Output is correct
56	Correct	9 ms	6648 KB	Output is correct
57	Correct	116 ms	23928 KB	Output is correct
58	Correct	120 ms	23868 KB	Output is correct
59	Correct	119 ms	23800 KB	Output is correct
60	Correct	8 ms	6648 KB	Output is correct
61	Correct	9 ms	6580 KB	Output is correct
62	Correct	8 ms	6648 KB	Output is correct
63	Correct	9 ms	6648 KB	Output is correct
64	Correct	8 ms	6648 KB	Output is correct
65	Correct	8 ms	6648 KB	Output is correct
66	Correct	8 ms	6648 KB	Output is correct
67	Correct	8 ms	6648 KB	Output is correct
68	Correct	9 ms	6648 KB	Output is correct
69	Correct	8 ms	6648 KB	Output is correct
70	Correct	8 ms	6648 KB	Output is correct
71	Correct	8 ms	6648 KB	Output is correct
72	Correct	8 ms	6648 KB	Output is correct
73	Correct	8 ms	6648 KB	Output is correct
74	Correct	8 ms	6648 KB	Output is correct
75	Correct	8 ms	6648 KB	Output is correct
76	Correct	9 ms	6648 KB	Output is correct
77	Correct	9 ms	6648 KB	Output is correct
78	Correct	9 ms	6520 KB	Output is correct
79	Correct	8 ms	6648 KB	Output is correct
80	Correct	8 ms	6648 KB	Output is correct
81	Correct	8 ms	6648 KB	Output is correct
82	Correct	9 ms	6648 KB	Output is correct
83	Correct	9 ms	6672 KB	Output is correct
84	Correct	9 ms	6636 KB	Output is correct
85	Correct	9 ms	6652 KB	Output is correct
86	Correct	8 ms	6648 KB	Output is correct
87	Correct	8 ms	6648 KB	Output is correct
88	Correct	12 ms	7032 KB	Output is correct
89	Correct	16 ms	7164 KB	Output is correct
90	Correct	15 ms	7288 KB	Output is correct
91	Correct	46 ms	10488 KB	Output is correct
92	Correct	89 ms	14200 KB	Output is correct
93	Correct	198 ms	21752 KB	Output is correct
94	Correct	197 ms	21880 KB	Output is correct
95	Correct	202 ms	22008 KB	Output is correct
96	Correct	195 ms	21752 KB	Output is correct
97	Correct	179 ms	21108 KB	Output is correct
98	Correct	181 ms	22472 KB	Output is correct
99	Correct	177 ms	21112 KB	Output is correct
100	Correct	194 ms	21876 KB	Output is correct
101	Correct	200 ms	22644 KB	Output is correct
102	Correct	195 ms	22000 KB	Output is correct
103	Correct	185 ms	21368 KB	Output is correct
104	Correct	161 ms	22008 KB	Output is correct
105	Correct	140 ms	22136 KB	Output is correct
106	Correct	170 ms	19312 KB	Output is correct

답안 #208637

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 12.0 / 12.0

Subtask #4 18.0 / 18.0

Subtask #5 21.0 / 21.0

Subtask #6 37.0 / 37.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
12.0 / 12.0

Subtask #4
18.0 / 18.0

Subtask #5
21.0 / 21.0

Subtask #6
37.0 / 37.0