Submission #308008

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
308008	2020-09-29T18:05:58 Z	junseo	Job Scheduling (IOI19_job)	C++17	100 / 100	301 ms	20072 KB

#include "job.h"
#include <bits/stdc++.h>
#define fi first
#define se second
#define eb emplace_back
#define all(v) (v).begin(), (v).end()
#define rmin(r, x) r = min(r, x)
#define rmax(r, x) r = max(r, x)
#define ends ' '
#define endl '\n'
#define fastio ios_base::sync_with_stdio(0), cin.tie(0)
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int maxn = 2e5 + 10;

struct Node {
	int i;
	ll u, d;
	Node(int i, int u, int d) : i(i), u(u), d(d) {}
	Node(void) : Node(0, 0, 0) {}
};

bool operator < (Node l, Node r) { return l.d * r.u > l.u * r.d; }

ll ans = 0;
int pa[maxn];
Node a[maxn];
priority_queue<Node> pq;

int fnd(int x) {
	if(pa[x] < 0)	return x;
	return pa[x] = fnd(pa[x]);
}

void mrge(int i, int j) {
	ans -= a[i].u * a[j].d;
	a[i].u += a[j].u;
	a[i].d += a[j].d;
}

void uni(int a, int b) {
	a = fnd(a), b = fnd(b);
	if(a == b)	return;
	pa[a] = b;
	mrge(b, a);
}

long long scheduling_cost(vector<int> p, vector<int> u, vector<int> d) {
	int n = p.size();
	memset(pa, -1, sizeof(pa));
	for(int i = 0; i < n; ++i) {
		a[i] = Node(i, u[i], d[i]);
		if(i)	pq.emplace(a[i]);
	}
	while(!pq.empty()) {
		Node t = pq.top();	pq.pop();
		if(t.i == 0 || a[t.i].u != t.u)	continue;
		uni(t.i, p[t.i]);
		pq.emplace(a[fnd(t.i)]);
	}
	ans += a[0].u * a[0].d;
	return ans;
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	5760 KB	Output is correct
2	Correct	4 ms	5760 KB	Output is correct
3	Correct	3 ms	5760 KB	Output is correct
4	Correct	4 ms	5888 KB	Output is correct
5	Correct	52 ms	8688 KB	Output is correct
6	Correct	116 ms	11372 KB	Output is correct
7	Correct	195 ms	15720 KB	Output is correct
8	Correct	271 ms	16872 KB	Output is correct
9	Correct	271 ms	16744 KB	Output is correct
10	Correct	275 ms	16744 KB	Output is correct
11	Correct	4 ms	5760 KB	Output is correct
12	Correct	288 ms	16744 KB	Output is correct
13	Correct	208 ms	16744 KB	Output is correct
14	Correct	224 ms	16740 KB	Output is correct
15	Correct	180 ms	16744 KB	Output is correct
16	Correct	203 ms	16756 KB	Output is correct
17	Correct	273 ms	16744 KB	Output is correct
18	Correct	262 ms	16744 KB	Output is correct
19	Correct	171 ms	16744 KB	Output is correct
20	Correct	176 ms	16744 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	5888 KB	Output is correct
2	Correct	3 ms	5760 KB	Output is correct
3	Correct	3 ms	5760 KB	Output is correct
4	Correct	195 ms	16744 KB	Output is correct
5	Correct	202 ms	16872 KB	Output is correct
6	Correct	197 ms	16744 KB	Output is correct
7	Correct	199 ms	16744 KB	Output is correct
8	Correct	203 ms	16744 KB	Output is correct
9	Correct	198 ms	16744 KB	Output is correct
10	Correct	199 ms	16744 KB	Output is correct
11	Correct	212 ms	16744 KB	Output is correct

Subtask #3
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	5760 KB	Output is correct
2	Correct	4 ms	5760 KB	Output is correct
3	Correct	4 ms	5760 KB	Output is correct
4	Correct	5 ms	5888 KB	Output is correct
5	Correct	11 ms	6596 KB	Output is correct
6	Correct	202 ms	16744 KB	Output is correct
7	Correct	202 ms	16744 KB	Output is correct
8	Correct	202 ms	16744 KB	Output is correct
9	Correct	213 ms	16744 KB	Output is correct
10	Correct	4 ms	5760 KB	Output is correct
11	Correct	5 ms	5888 KB	Output is correct
12	Correct	10 ms	6596 KB	Output is correct
13	Correct	11 ms	6596 KB	Output is correct
14	Correct	205 ms	16744 KB	Output is correct
15	Correct	208 ms	16744 KB	Output is correct
16	Correct	202 ms	16744 KB	Output is correct
17	Correct	202 ms	16744 KB	Output is correct
18	Correct	202 ms	16744 KB	Output is correct
19	Correct	206 ms	16744 KB	Output is correct
20	Correct	206 ms	16992 KB	Output is correct
21	Correct	207 ms	16744 KB	Output is correct
22	Correct	198 ms	16748 KB	Output is correct
23	Correct	208 ms	16736 KB	Output is correct
24	Correct	200 ms	17000 KB	Output is correct

Subtask #4
18.0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	5760 KB	Output is correct
2	Correct	281 ms	19952 KB	Output is correct
3	Correct	268 ms	19944 KB	Output is correct
4	Correct	301 ms	19944 KB	Output is correct

Subtask #5
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	5760 KB	Output is correct
2	Correct	4 ms	5836 KB	Output is correct
3	Correct	3 ms	5760 KB	Output is correct
4	Correct	4 ms	5760 KB	Output is correct
5	Correct	4 ms	5760 KB	Output is correct
6	Correct	4 ms	5760 KB	Output is correct
7	Correct	4 ms	5760 KB	Output is correct
8	Correct	4 ms	5760 KB	Output is correct
9	Correct	4 ms	5760 KB	Output is correct
10	Correct	4 ms	5760 KB	Output is correct
11	Correct	4 ms	5760 KB	Output is correct
12	Correct	4 ms	5760 KB	Output is correct
13	Correct	4 ms	5760 KB	Output is correct
14	Correct	4 ms	5760 KB	Output is correct
15	Correct	4 ms	5760 KB	Output is correct
16	Correct	4 ms	5760 KB	Output is correct
17	Correct	4 ms	5760 KB	Output is correct

Subtask #6
37.0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	5760 KB	Output is correct
2	Correct	4 ms	5760 KB	Output is correct
3	Correct	3 ms	5760 KB	Output is correct
4	Correct	4 ms	5888 KB	Output is correct
5	Correct	52 ms	8688 KB	Output is correct
6	Correct	116 ms	11372 KB	Output is correct
7	Correct	195 ms	15720 KB	Output is correct
8	Correct	271 ms	16872 KB	Output is correct
9	Correct	271 ms	16744 KB	Output is correct
10	Correct	275 ms	16744 KB	Output is correct
11	Correct	4 ms	5760 KB	Output is correct
12	Correct	288 ms	16744 KB	Output is correct
13	Correct	208 ms	16744 KB	Output is correct
14	Correct	224 ms	16740 KB	Output is correct
15	Correct	180 ms	16744 KB	Output is correct
16	Correct	203 ms	16756 KB	Output is correct
17	Correct	273 ms	16744 KB	Output is correct
18	Correct	262 ms	16744 KB	Output is correct
19	Correct	171 ms	16744 KB	Output is correct
20	Correct	176 ms	16744 KB	Output is correct
21	Correct	4 ms	5888 KB	Output is correct
22	Correct	3 ms	5760 KB	Output is correct
23	Correct	3 ms	5760 KB	Output is correct
24	Correct	195 ms	16744 KB	Output is correct
25	Correct	202 ms	16872 KB	Output is correct
26	Correct	197 ms	16744 KB	Output is correct
27	Correct	199 ms	16744 KB	Output is correct
28	Correct	203 ms	16744 KB	Output is correct
29	Correct	198 ms	16744 KB	Output is correct
30	Correct	199 ms	16744 KB	Output is correct
31	Correct	212 ms	16744 KB	Output is correct
32	Correct	3 ms	5760 KB	Output is correct
33	Correct	4 ms	5760 KB	Output is correct
34	Correct	4 ms	5760 KB	Output is correct
35	Correct	5 ms	5888 KB	Output is correct
36	Correct	11 ms	6596 KB	Output is correct
37	Correct	202 ms	16744 KB	Output is correct
38	Correct	202 ms	16744 KB	Output is correct
39	Correct	202 ms	16744 KB	Output is correct
40	Correct	213 ms	16744 KB	Output is correct
41	Correct	4 ms	5760 KB	Output is correct
42	Correct	5 ms	5888 KB	Output is correct
43	Correct	10 ms	6596 KB	Output is correct
44	Correct	11 ms	6596 KB	Output is correct
45	Correct	205 ms	16744 KB	Output is correct
46	Correct	208 ms	16744 KB	Output is correct
47	Correct	202 ms	16744 KB	Output is correct
48	Correct	202 ms	16744 KB	Output is correct
49	Correct	202 ms	16744 KB	Output is correct
50	Correct	206 ms	16744 KB	Output is correct
51	Correct	206 ms	16992 KB	Output is correct
52	Correct	207 ms	16744 KB	Output is correct
53	Correct	198 ms	16748 KB	Output is correct
54	Correct	208 ms	16736 KB	Output is correct
55	Correct	200 ms	17000 KB	Output is correct
56	Correct	3 ms	5760 KB	Output is correct
57	Correct	281 ms	19952 KB	Output is correct
58	Correct	268 ms	19944 KB	Output is correct
59	Correct	301 ms	19944 KB	Output is correct
60	Correct	4 ms	5760 KB	Output is correct
61	Correct	4 ms	5836 KB	Output is correct
62	Correct	3 ms	5760 KB	Output is correct
63	Correct	4 ms	5760 KB	Output is correct
64	Correct	4 ms	5760 KB	Output is correct
65	Correct	4 ms	5760 KB	Output is correct
66	Correct	4 ms	5760 KB	Output is correct
67	Correct	4 ms	5760 KB	Output is correct
68	Correct	4 ms	5760 KB	Output is correct
69	Correct	4 ms	5760 KB	Output is correct
70	Correct	4 ms	5760 KB	Output is correct
71	Correct	4 ms	5760 KB	Output is correct
72	Correct	4 ms	5760 KB	Output is correct
73	Correct	4 ms	5760 KB	Output is correct
74	Correct	4 ms	5760 KB	Output is correct
75	Correct	4 ms	5760 KB	Output is correct
76	Correct	4 ms	5760 KB	Output is correct
77	Correct	4 ms	5760 KB	Output is correct
78	Correct	4 ms	5760 KB	Output is correct
79	Correct	5 ms	5760 KB	Output is correct
80	Correct	4 ms	5760 KB	Output is correct
81	Correct	3 ms	5760 KB	Output is correct
82	Correct	4 ms	5760 KB	Output is correct
83	Correct	3 ms	5760 KB	Output is correct
84	Correct	4 ms	5760 KB	Output is correct
85	Correct	4 ms	5760 KB	Output is correct
86	Correct	4 ms	5760 KB	Output is correct
87	Correct	4 ms	5760 KB	Output is correct
88	Correct	7 ms	6272 KB	Output is correct
89	Correct	10 ms	6468 KB	Output is correct
90	Correct	12 ms	6724 KB	Output is correct
91	Correct	51 ms	9456 KB	Output is correct
92	Correct	108 ms	12908 KB	Output is correct
93	Correct	268 ms	19864 KB	Output is correct
94	Correct	286 ms	19816 KB	Output is correct
95	Correct	264 ms	20004 KB	Output is correct
96	Correct	263 ms	19944 KB	Output is correct
97	Correct	259 ms	19948 KB	Output is correct
98	Correct	246 ms	19944 KB	Output is correct
99	Correct	235 ms	19816 KB	Output is correct
100	Correct	266 ms	19944 KB	Output is correct
101	Correct	280 ms	19944 KB	Output is correct
102	Correct	223 ms	20072 KB	Output is correct
103	Correct	269 ms	19816 KB	Output is correct
104	Correct	257 ms	19944 KB	Output is correct
105	Correct	194 ms	19944 KB	Output is correct
106	Correct	212 ms	19304 KB	Output is correct

Submission #308008

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