답안 #316761

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
316761	2020-10-27T22:35:12 Z	MetB	Job Scheduling (IOI19_job)	C++14	100 / 100	256 ms	18688 KB

#include "job.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
 
using namespace __gnu_pbds;
 
#define N 2000001
 
using namespace std;
 
typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;
 
const ll INF = 1e18, MOD = 1e9 + 7, MOD2 = 1e6 + 3;
 
int merged[N], dsu[N], n, dl[N];
ll ans;
 
struct rat {
	ll u, d;
 
	rat (ll u, ll d) : u (u), d (d) {}
	rat () {}
 
	bool operator < (const rat& b) const {
		return b.u * d > u * b.d;
	}
 
	bool operator != (const rat& b) const {
		return tie (u, d) != tie (b.u, b.d);
	}
} a[N];
 
int find (int x) {
	if (dsu[x] == x) return x;
	return dsu[x] = find (dsu[x]);
}
 
void unite (int a, int b) {
	a = find (a), b = find (b);
	if (a == b) return;
	dsu[b] = a;
	merged[b] = 1;
}
 
ll scheduling_cost (vector <int> p, vector <int> u, vector <int> d) {
	int n = p.size ();
	
	p.resize (n);
	u.resize (n);
	d.resize (n);
	
	priority_queue < pair <rat, int> > q;
 
	for (int i = 0; i < n; i++) {
		a[i] = {u[i], d[i]};
		dsu[i] = i;
		q.push ({a[i], i});
	}
 
	ll t = 0;
 
	while (!q.empty ()) {
		ll x = q.top ().second;
		rat cost = q.top ().first;
		q.pop ();
		if (a[x] != cost || merged[x] || dl[x]) continue;
 
		if (p[x] == -1 || dl[find (p[x])]) {
			ans += (d[x] + t) * u[x];
			dl[x] = 1;
			t += d[x];
			continue;
		}
		int desc = find (p[x]);
		ans -= (ll) d[x] * u[desc];
		u[desc] += u[x];
		d[desc] += d[x];
		a[desc] = {u[desc], d[desc]};
		unite (desc, x);
 
		q.push ({a[desc], desc});
	}
 
	return ans;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	45 ms	4076 KB	Output is correct
6	Correct	106 ms	7500 KB	Output is correct
7	Correct	171 ms	12776 KB	Output is correct
8	Correct	246 ms	14568 KB	Output is correct
9	Correct	253 ms	14860 KB	Output is correct
10	Correct	247 ms	14564 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	251 ms	14684 KB	Output is correct
13	Correct	185 ms	14564 KB	Output is correct
14	Correct	206 ms	15324 KB	Output is correct
15	Correct	158 ms	14600 KB	Output is correct
16	Correct	183 ms	15324 KB	Output is correct
17	Correct	245 ms	14564 KB	Output is correct
18	Correct	249 ms	14624 KB	Output is correct
19	Correct	145 ms	14564 KB	Output is correct
20	Correct	127 ms	15324 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	155 ms	16744 KB	Output is correct
5	Correct	148 ms	16996 KB	Output is correct
6	Correct	149 ms	16488 KB	Output is correct
7	Correct	150 ms	16996 KB	Output is correct
8	Correct	149 ms	16264 KB	Output is correct
9	Correct	152 ms	16996 KB	Output is correct
10	Correct	156 ms	17124 KB	Output is correct
11	Correct	149 ms	16356 KB	Output is correct

Subtask #3
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	8 ms	1348 KB	Output is correct
6	Correct	157 ms	16868 KB	Output is correct
7	Correct	152 ms	16868 KB	Output is correct
8	Correct	153 ms	16996 KB	Output is correct
9	Correct	153 ms	16868 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	512 KB	Output is correct
12	Correct	6 ms	1348 KB	Output is correct
13	Correct	7 ms	1348 KB	Output is correct
14	Correct	151 ms	16996 KB	Output is correct
15	Correct	155 ms	16612 KB	Output is correct
16	Correct	152 ms	16996 KB	Output is correct
17	Correct	150 ms	16996 KB	Output is correct
18	Correct	148 ms	16228 KB	Output is correct
19	Correct	156 ms	16868 KB	Output is correct
20	Correct	152 ms	16868 KB	Output is correct
21	Correct	149 ms	16356 KB	Output is correct
22	Correct	152 ms	16620 KB	Output is correct
23	Correct	153 ms	16996 KB	Output is correct
24	Correct	151 ms	16228 KB	Output is correct

Subtask #4
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	248 ms	16384 KB	Output is correct
3	Correct	251 ms	17780 KB	Output is correct
4	Correct	246 ms	17884 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct

Subtask #6
37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	45 ms	4076 KB	Output is correct
6	Correct	106 ms	7500 KB	Output is correct
7	Correct	171 ms	12776 KB	Output is correct
8	Correct	246 ms	14568 KB	Output is correct
9	Correct	253 ms	14860 KB	Output is correct
10	Correct	247 ms	14564 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	251 ms	14684 KB	Output is correct
13	Correct	185 ms	14564 KB	Output is correct
14	Correct	206 ms	15324 KB	Output is correct
15	Correct	158 ms	14600 KB	Output is correct
16	Correct	183 ms	15324 KB	Output is correct
17	Correct	245 ms	14564 KB	Output is correct
18	Correct	249 ms	14624 KB	Output is correct
19	Correct	145 ms	14564 KB	Output is correct
20	Correct	127 ms	15324 KB	Output is correct
21	Correct	0 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	155 ms	16744 KB	Output is correct
25	Correct	148 ms	16996 KB	Output is correct
26	Correct	149 ms	16488 KB	Output is correct
27	Correct	150 ms	16996 KB	Output is correct
28	Correct	149 ms	16264 KB	Output is correct
29	Correct	152 ms	16996 KB	Output is correct
30	Correct	156 ms	17124 KB	Output is correct
31	Correct	149 ms	16356 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	8 ms	1348 KB	Output is correct
37	Correct	157 ms	16868 KB	Output is correct
38	Correct	152 ms	16868 KB	Output is correct
39	Correct	153 ms	16996 KB	Output is correct
40	Correct	153 ms	16868 KB	Output is correct
41	Correct	1 ms	384 KB	Output is correct
42	Correct	1 ms	512 KB	Output is correct
43	Correct	6 ms	1348 KB	Output is correct
44	Correct	7 ms	1348 KB	Output is correct
45	Correct	151 ms	16996 KB	Output is correct
46	Correct	155 ms	16612 KB	Output is correct
47	Correct	152 ms	16996 KB	Output is correct
48	Correct	150 ms	16996 KB	Output is correct
49	Correct	148 ms	16228 KB	Output is correct
50	Correct	156 ms	16868 KB	Output is correct
51	Correct	152 ms	16868 KB	Output is correct
52	Correct	149 ms	16356 KB	Output is correct
53	Correct	152 ms	16620 KB	Output is correct
54	Correct	153 ms	16996 KB	Output is correct
55	Correct	151 ms	16228 KB	Output is correct
56	Correct	0 ms	384 KB	Output is correct
57	Correct	248 ms	16384 KB	Output is correct
58	Correct	251 ms	17780 KB	Output is correct
59	Correct	246 ms	17884 KB	Output is correct
60	Correct	0 ms	384 KB	Output is correct
61	Correct	1 ms	384 KB	Output is correct
62	Correct	1 ms	384 KB	Output is correct
63	Correct	1 ms	384 KB	Output is correct
64	Correct	1 ms	384 KB	Output is correct
65	Correct	0 ms	384 KB	Output is correct
66	Correct	1 ms	384 KB	Output is correct
67	Correct	1 ms	384 KB	Output is correct
68	Correct	1 ms	384 KB	Output is correct
69	Correct	1 ms	384 KB	Output is correct
70	Correct	1 ms	384 KB	Output is correct
71	Correct	1 ms	384 KB	Output is correct
72	Correct	1 ms	384 KB	Output is correct
73	Correct	1 ms	384 KB	Output is correct
74	Correct	1 ms	384 KB	Output is correct
75	Correct	1 ms	384 KB	Output is correct
76	Correct	1 ms	384 KB	Output is correct
77	Correct	1 ms	384 KB	Output is correct
78	Correct	0 ms	384 KB	Output is correct
79	Correct	1 ms	384 KB	Output is correct
80	Correct	1 ms	384 KB	Output is correct
81	Correct	0 ms	384 KB	Output is correct
82	Correct	1 ms	384 KB	Output is correct
83	Correct	1 ms	384 KB	Output is correct
84	Correct	1 ms	384 KB	Output is correct
85	Correct	0 ms	384 KB	Output is correct
86	Correct	1 ms	384 KB	Output is correct
87	Correct	1 ms	384 KB	Output is correct
88	Correct	4 ms	960 KB	Output is correct
89	Correct	6 ms	1220 KB	Output is correct
90	Correct	8 ms	1408 KB	Output is correct
91	Correct	42 ms	4980 KB	Output is correct
92	Correct	97 ms	9448 KB	Output is correct
93	Correct	231 ms	18396 KB	Output is correct
94	Correct	236 ms	18396 KB	Output is correct
95	Correct	236 ms	18396 KB	Output is correct
96	Correct	228 ms	18400 KB	Output is correct
97	Correct	213 ms	18400 KB	Output is correct
98	Correct	216 ms	18524 KB	Output is correct
99	Correct	186 ms	18404 KB	Output is correct
100	Correct	226 ms	18396 KB	Output is correct
101	Correct	256 ms	18688 KB	Output is correct
102	Correct	167 ms	17764 KB	Output is correct
103	Correct	239 ms	18400 KB	Output is correct
104	Correct	247 ms	18564 KB	Output is correct
105	Correct	175 ms	18396 KB	Output is correct
106	Correct	162 ms	17380 KB	Output is correct

답안 #316761

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