답안 #373259

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
373259	2021-03-03T23:50:06 Z	MilosMilutinovic	Job Scheduling (IOI19_job)	C++14	100 / 100	239 ms	56668 KB

#include "job.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pb push_back

const int mxN=2e5;
int n;
vector<int> adj[mxN];
vector<ll> p(mxN), u(mxN), d(mxN);
bool was[mxN];
ll ans=0;

struct cmp{
	bool operator()(int x, int y) {
		return (ll)d[x]*(ll)u[y]>(ll)d[y]*(ll)u[x];
	}
};

priority_queue<int, vector<int>, cmp> q[mxN];

void merge(int x, int y) {
	d[x]+=d[y];
	u[x]+=u[y];	
}

void dfs(int x) {
	assert(x>=0&&x<n);
	for(int v:adj[x])
		dfs(v), q[x].push(v);
	while(!q[x].empty()) {
		int y=q[x].top();
		if((ll)d[y]*(ll)u[x]>(ll)d[x]*(ll)u[y])
			break;
		was[y]=true;
		q[x].pop();
		ans-=d[y]*u[x];
		merge(x, y);
		if((int)q[x].size()<(int)q[y].size())
			swap(q[x], q[y]);
		while(!q[y].empty())
			q[x].push(q[y].top()), q[y].pop();
	}	
}

ll scheduling_cost(vector<int> p1, vector<int> u1, vector<int> d1) {
	n = (int) p1.size();
	for(int i=0; i<n; ++i)
		p[i]=(ll)p1[i], u[i]=(ll)u1[i], d[i]=(ll)d1[i];
	for(int i=1; i<n; ++i) 
		adj[p[i]].pb(i);
	dfs(0);
	vector<int> j;
	for(int i=0; i<n; ++i)
		if(!was[i])
			j.pb(i);
	sort(j.rbegin(), j.rend(), [&](int x, int y) {
		return (ll)d[x]*u[y]>(ll)d[y]*u[x];
	});
	ll t=0LL;
	for(int i:j)
		t+=d[i], ans+=(ll)u[i]*t;
	return ans;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	15980 KB	Output is correct
2	Correct	10 ms	15980 KB	Output is correct
3	Correct	10 ms	16000 KB	Output is correct
4	Correct	11 ms	16108 KB	Output is correct
5	Correct	39 ms	25836 KB	Output is correct
6	Correct	66 ms	35564 KB	Output is correct
7	Correct	96 ms	45548 KB	Output is correct
8	Correct	123 ms	55404 KB	Output is correct
9	Correct	130 ms	55404 KB	Output is correct
10	Correct	124 ms	55404 KB	Output is correct
11	Correct	10 ms	15980 KB	Output is correct
12	Correct	121 ms	55404 KB	Output is correct
13	Correct	123 ms	55404 KB	Output is correct
14	Correct	127 ms	55404 KB	Output is correct
15	Correct	119 ms	55404 KB	Output is correct
16	Correct	122 ms	55404 KB	Output is correct
17	Correct	123 ms	55404 KB	Output is correct
18	Correct	123 ms	55404 KB	Output is correct
19	Correct	122 ms	55408 KB	Output is correct
20	Correct	153 ms	56668 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	10 ms	15980 KB	Output is correct
2	Correct	11 ms	15980 KB	Output is correct
3	Correct	11 ms	15980 KB	Output is correct
4	Correct	121 ms	24032 KB	Output is correct
5	Correct	113 ms	24032 KB	Output is correct
6	Correct	115 ms	24032 KB	Output is correct
7	Correct	143 ms	24032 KB	Output is correct
8	Correct	110 ms	23904 KB	Output is correct
9	Correct	111 ms	23976 KB	Output is correct
10	Correct	113 ms	24032 KB	Output is correct
11	Correct	114 ms	23904 KB	Output is correct

Subtask #3
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	10 ms	15980 KB	Output is correct
2	Correct	11 ms	15980 KB	Output is correct
3	Correct	12 ms	15980 KB	Output is correct
4	Correct	12 ms	15980 KB	Output is correct
5	Correct	18 ms	16640 KB	Output is correct
6	Correct	119 ms	24032 KB	Output is correct
7	Correct	122 ms	24032 KB	Output is correct
8	Correct	119 ms	24084 KB	Output is correct
9	Correct	119 ms	24032 KB	Output is correct
10	Correct	10 ms	15980 KB	Output is correct
11	Correct	11 ms	15980 KB	Output is correct
12	Correct	15 ms	16364 KB	Output is correct
13	Correct	15 ms	16364 KB	Output is correct
14	Correct	120 ms	23992 KB	Output is correct
15	Correct	119 ms	24032 KB	Output is correct
16	Correct	121 ms	24032 KB	Output is correct
17	Correct	119 ms	24032 KB	Output is correct
18	Correct	128 ms	23752 KB	Output is correct
19	Correct	125 ms	24032 KB	Output is correct
20	Correct	120 ms	24032 KB	Output is correct
21	Correct	118 ms	23904 KB	Output is correct
22	Correct	120 ms	24032 KB	Output is correct
23	Correct	122 ms	24032 KB	Output is correct
24	Correct	135 ms	24032 KB	Output is correct

Subtask #4
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	15980 KB	Output is correct
2	Correct	119 ms	42732 KB	Output is correct
3	Correct	121 ms	45932 KB	Output is correct
4	Correct	133 ms	45932 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	16128 KB	Output is correct
2	Correct	11 ms	15980 KB	Output is correct
3	Correct	11 ms	15980 KB	Output is correct
4	Correct	11 ms	15980 KB	Output is correct
5	Correct	10 ms	15980 KB	Output is correct
6	Correct	11 ms	15980 KB	Output is correct
7	Correct	10 ms	15980 KB	Output is correct
8	Correct	10 ms	15980 KB	Output is correct
9	Correct	11 ms	15980 KB	Output is correct
10	Correct	11 ms	15980 KB	Output is correct
11	Correct	10 ms	15980 KB	Output is correct
12	Correct	11 ms	15980 KB	Output is correct
13	Correct	11 ms	16128 KB	Output is correct
14	Correct	12 ms	15980 KB	Output is correct
15	Correct	11 ms	15980 KB	Output is correct
16	Correct	11 ms	15980 KB	Output is correct
17	Correct	10 ms	15980 KB	Output is correct

Subtask #6
37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	15980 KB	Output is correct
2	Correct	10 ms	15980 KB	Output is correct
3	Correct	10 ms	16000 KB	Output is correct
4	Correct	11 ms	16108 KB	Output is correct
5	Correct	39 ms	25836 KB	Output is correct
6	Correct	66 ms	35564 KB	Output is correct
7	Correct	96 ms	45548 KB	Output is correct
8	Correct	123 ms	55404 KB	Output is correct
9	Correct	130 ms	55404 KB	Output is correct
10	Correct	124 ms	55404 KB	Output is correct
11	Correct	10 ms	15980 KB	Output is correct
12	Correct	121 ms	55404 KB	Output is correct
13	Correct	123 ms	55404 KB	Output is correct
14	Correct	127 ms	55404 KB	Output is correct
15	Correct	119 ms	55404 KB	Output is correct
16	Correct	122 ms	55404 KB	Output is correct
17	Correct	123 ms	55404 KB	Output is correct
18	Correct	123 ms	55404 KB	Output is correct
19	Correct	122 ms	55408 KB	Output is correct
20	Correct	153 ms	56668 KB	Output is correct
21	Correct	10 ms	15980 KB	Output is correct
22	Correct	11 ms	15980 KB	Output is correct
23	Correct	11 ms	15980 KB	Output is correct
24	Correct	121 ms	24032 KB	Output is correct
25	Correct	113 ms	24032 KB	Output is correct
26	Correct	115 ms	24032 KB	Output is correct
27	Correct	143 ms	24032 KB	Output is correct
28	Correct	110 ms	23904 KB	Output is correct
29	Correct	111 ms	23976 KB	Output is correct
30	Correct	113 ms	24032 KB	Output is correct
31	Correct	114 ms	23904 KB	Output is correct
32	Correct	10 ms	15980 KB	Output is correct
33	Correct	11 ms	15980 KB	Output is correct
34	Correct	12 ms	15980 KB	Output is correct
35	Correct	12 ms	15980 KB	Output is correct
36	Correct	18 ms	16640 KB	Output is correct
37	Correct	119 ms	24032 KB	Output is correct
38	Correct	122 ms	24032 KB	Output is correct
39	Correct	119 ms	24084 KB	Output is correct
40	Correct	119 ms	24032 KB	Output is correct
41	Correct	10 ms	15980 KB	Output is correct
42	Correct	11 ms	15980 KB	Output is correct
43	Correct	15 ms	16364 KB	Output is correct
44	Correct	15 ms	16364 KB	Output is correct
45	Correct	120 ms	23992 KB	Output is correct
46	Correct	119 ms	24032 KB	Output is correct
47	Correct	121 ms	24032 KB	Output is correct
48	Correct	119 ms	24032 KB	Output is correct
49	Correct	128 ms	23752 KB	Output is correct
50	Correct	125 ms	24032 KB	Output is correct
51	Correct	120 ms	24032 KB	Output is correct
52	Correct	118 ms	23904 KB	Output is correct
53	Correct	120 ms	24032 KB	Output is correct
54	Correct	122 ms	24032 KB	Output is correct
55	Correct	135 ms	24032 KB	Output is correct
56	Correct	11 ms	15980 KB	Output is correct
57	Correct	119 ms	42732 KB	Output is correct
58	Correct	121 ms	45932 KB	Output is correct
59	Correct	133 ms	45932 KB	Output is correct
60	Correct	11 ms	16128 KB	Output is correct
61	Correct	11 ms	15980 KB	Output is correct
62	Correct	11 ms	15980 KB	Output is correct
63	Correct	11 ms	15980 KB	Output is correct
64	Correct	10 ms	15980 KB	Output is correct
65	Correct	11 ms	15980 KB	Output is correct
66	Correct	10 ms	15980 KB	Output is correct
67	Correct	10 ms	15980 KB	Output is correct
68	Correct	11 ms	15980 KB	Output is correct
69	Correct	11 ms	15980 KB	Output is correct
70	Correct	10 ms	15980 KB	Output is correct
71	Correct	11 ms	15980 KB	Output is correct
72	Correct	11 ms	16128 KB	Output is correct
73	Correct	12 ms	15980 KB	Output is correct
74	Correct	11 ms	15980 KB	Output is correct
75	Correct	11 ms	15980 KB	Output is correct
76	Correct	10 ms	15980 KB	Output is correct
77	Correct	11 ms	15980 KB	Output is correct
78	Correct	11 ms	15980 KB	Output is correct
79	Correct	11 ms	15980 KB	Output is correct
80	Correct	11 ms	15980 KB	Output is correct
81	Correct	10 ms	15980 KB	Output is correct
82	Correct	10 ms	15980 KB	Output is correct
83	Correct	10 ms	15980 KB	Output is correct
84	Correct	12 ms	16000 KB	Output is correct
85	Correct	10 ms	15980 KB	Output is correct
86	Correct	11 ms	15980 KB	Output is correct
87	Correct	10 ms	15980 KB	Output is correct
88	Correct	14 ms	16364 KB	Output is correct
89	Correct	18 ms	16620 KB	Output is correct
90	Correct	17 ms	16876 KB	Output is correct
91	Correct	50 ms	19820 KB	Output is correct
92	Correct	96 ms	23720 KB	Output is correct
93	Correct	195 ms	31344 KB	Output is correct
94	Correct	201 ms	31300 KB	Output is correct
95	Correct	204 ms	31340 KB	Output is correct
96	Correct	239 ms	31340 KB	Output is correct
97	Correct	184 ms	29672 KB	Output is correct
98	Correct	204 ms	32748 KB	Output is correct
99	Correct	171 ms	29284 KB	Output is correct
100	Correct	197 ms	31344 KB	Output is correct
101	Correct	190 ms	33000 KB	Output is correct
102	Correct	214 ms	31496 KB	Output is correct
103	Correct	194 ms	30956 KB	Output is correct
104	Correct	198 ms	32492 KB	Output is correct
105	Correct	148 ms	33132 KB	Output is correct
106	Correct	140 ms	26852 KB	Output is correct

답안 #373259

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