Submission #318988

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
318988	2020-11-03T16:16:29 Z	alextodoran	Job Scheduling (IOI19_job)	C++17	100 / 100	313 ms	67684 KB

/**
 ____ ____ ____ ____ ____
||a |||t |||o |||d |||o ||
||__|||__|||__|||__|||__||
|/__\|/__\|/__\|/__\|/__\|

**/

#include <bits/stdc++.h>
#include "job.h"

using namespace std;

typedef long long ll;

const int N_MAX = 200002;

int n;

struct Cost
{
   int d, u;
};

Cost cost[N_MAX];

int parent[N_MAX];

vector <int> sons[N_MAX];

bool operator < (const Cost &a, const Cost &b)
{
   return (ll)a.d * b.u < (ll)b.d * a.u;
}

struct Node
{
   int u;
   Cost c;
};

bool operator < (const Node &u, const Node &v)
{
   return make_pair(u.c, u.u) < make_pair(v.c, v.u);
}

ll answer = 0;
set <Node> notJoined[N_MAX];

void mergeSets (int u, int v)
{
   answer += (ll)cost[u].d * cost[v].u;
   cost[u].d += cost[v].d;
   cost[u].u += cost[v].u;
   set <Node> &in = notJoined[u];
   set <Node> &from = notJoined[v];

   if(in.size() < from.size())
       swap(in, from);
   while(from.empty() == false)
   {
       in.insert(*from.begin());
       from.erase(from.begin());
   }
}

void dfs (int u)
{
   for(int v : sons[u])
   {
       dfs(v);
       notJoined[u].insert(Node{v, cost[v]});
   }
   while (!notJoined[u].empty())
   {
       int v = notJoined[u].begin()->u;
       if(cost[u] < cost[v])
           break;
       notJoined[u].erase(notJoined[u].begin());
       mergeSets(u, v);
   }
}

int order[N_MAX];

int curr;

ll scheduling_cost (vector <int> p, vector <int> u, vector <int> d)
{
   n = p.size();
   for(int i = 1; i <= n; i++)
   {
       parent[i] = p[i - 1] + 1;
       cost[i] = Cost{d[i - 1], u[i - 1]};
       answer += (ll)cost[i].u * cost[i].d;
   }
   for(int i = 2; i <= n; i++)
       sons[parent[i]].push_back(i);
   dfs(1);
   while(!notJoined[1].empty())
   {
       int v = notJoined[1].begin()->u;
       notJoined[1].erase(notJoined[1].begin());
       mergeSets(1, v);
   }
   return answer;
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	10 ms	14444 KB	Output is correct
2	Correct	10 ms	14444 KB	Output is correct
3	Correct	10 ms	14444 KB	Output is correct
4	Correct	10 ms	14700 KB	Output is correct
5	Correct	39 ms	25572 KB	Output is correct
6	Correct	69 ms	36708 KB	Output is correct
7	Correct	97 ms	47952 KB	Output is correct
8	Correct	127 ms	59108 KB	Output is correct
9	Correct	129 ms	59108 KB	Output is correct
10	Correct	128 ms	59168 KB	Output is correct
11	Correct	10 ms	14444 KB	Output is correct
12	Correct	127 ms	59108 KB	Output is correct
13	Correct	121 ms	59108 KB	Output is correct
14	Correct	124 ms	59108 KB	Output is correct
15	Correct	119 ms	59032 KB	Output is correct
16	Correct	159 ms	59364 KB	Output is correct
17	Correct	134 ms	59236 KB	Output is correct
18	Correct	129 ms	59108 KB	Output is correct
19	Correct	125 ms	59108 KB	Output is correct
20	Correct	133 ms	67684 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	10 ms	14444 KB	Output is correct
2	Correct	10 ms	14444 KB	Output is correct
3	Correct	10 ms	14444 KB	Output is correct
4	Correct	261 ms	36696 KB	Output is correct
5	Correct	252 ms	36568 KB	Output is correct
6	Correct	251 ms	36568 KB	Output is correct
7	Correct	264 ms	36636 KB	Output is correct
8	Correct	257 ms	36568 KB	Output is correct
9	Correct	268 ms	36496 KB	Output is correct
10	Correct	255 ms	36568 KB	Output is correct
11	Correct	253 ms	36568 KB	Output is correct

Subtask #3
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	11 ms	14444 KB	Output is correct
2	Correct	10 ms	14444 KB	Output is correct
3	Correct	10 ms	14444 KB	Output is correct
4	Correct	10 ms	14572 KB	Output is correct
5	Correct	18 ms	15596 KB	Output is correct
6	Correct	270 ms	37092 KB	Output is correct
7	Correct	259 ms	37080 KB	Output is correct
8	Correct	251 ms	37080 KB	Output is correct
9	Correct	257 ms	37080 KB	Output is correct
10	Correct	10 ms	14444 KB	Output is correct
11	Correct	11 ms	14572 KB	Output is correct
12	Correct	16 ms	15468 KB	Output is correct
13	Correct	17 ms	15596 KB	Output is correct
14	Correct	282 ms	37080 KB	Output is correct
15	Correct	251 ms	37080 KB	Output is correct
16	Correct	257 ms	37080 KB	Output is correct
17	Correct	248 ms	37080 KB	Output is correct
18	Correct	264 ms	37080 KB	Output is correct
19	Correct	262 ms	37080 KB	Output is correct
20	Correct	257 ms	37080 KB	Output is correct
21	Correct	255 ms	37080 KB	Output is correct
22	Correct	257 ms	37208 KB	Output is correct
23	Correct	253 ms	37080 KB	Output is correct
24	Correct	252 ms	37208 KB	Output is correct

Subtask #4
18.0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	10 ms	14476 KB	Output is correct
2	Correct	147 ms	45156 KB	Output is correct
3	Correct	120 ms	45028 KB	Output is correct
4	Correct	121 ms	45028 KB	Output is correct

Subtask #5
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	10 ms	14464 KB	Output is correct
2	Correct	10 ms	14444 KB	Output is correct
3	Correct	10 ms	14444 KB	Output is correct
4	Correct	10 ms	14444 KB	Output is correct
5	Correct	10 ms	14444 KB	Output is correct
6	Correct	11 ms	14444 KB	Output is correct
7	Correct	10 ms	14444 KB	Output is correct
8	Correct	10 ms	14444 KB	Output is correct
9	Correct	11 ms	14444 KB	Output is correct
10	Correct	10 ms	14444 KB	Output is correct
11	Correct	10 ms	14572 KB	Output is correct
12	Correct	10 ms	14444 KB	Output is correct
13	Correct	11 ms	14444 KB	Output is correct
14	Correct	10 ms	14444 KB	Output is correct
15	Correct	10 ms	14444 KB	Output is correct
16	Correct	11 ms	14444 KB	Output is correct
17	Correct	10 ms	14444 KB	Output is correct

Subtask #6
37.0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	10 ms	14444 KB	Output is correct
2	Correct	10 ms	14444 KB	Output is correct
3	Correct	10 ms	14444 KB	Output is correct
4	Correct	10 ms	14700 KB	Output is correct
5	Correct	39 ms	25572 KB	Output is correct
6	Correct	69 ms	36708 KB	Output is correct
7	Correct	97 ms	47952 KB	Output is correct
8	Correct	127 ms	59108 KB	Output is correct
9	Correct	129 ms	59108 KB	Output is correct
10	Correct	128 ms	59168 KB	Output is correct
11	Correct	10 ms	14444 KB	Output is correct
12	Correct	127 ms	59108 KB	Output is correct
13	Correct	121 ms	59108 KB	Output is correct
14	Correct	124 ms	59108 KB	Output is correct
15	Correct	119 ms	59032 KB	Output is correct
16	Correct	159 ms	59364 KB	Output is correct
17	Correct	134 ms	59236 KB	Output is correct
18	Correct	129 ms	59108 KB	Output is correct
19	Correct	125 ms	59108 KB	Output is correct
20	Correct	133 ms	67684 KB	Output is correct
21	Correct	10 ms	14444 KB	Output is correct
22	Correct	10 ms	14444 KB	Output is correct
23	Correct	10 ms	14444 KB	Output is correct
24	Correct	261 ms	36696 KB	Output is correct
25	Correct	252 ms	36568 KB	Output is correct
26	Correct	251 ms	36568 KB	Output is correct
27	Correct	264 ms	36636 KB	Output is correct
28	Correct	257 ms	36568 KB	Output is correct
29	Correct	268 ms	36496 KB	Output is correct
30	Correct	255 ms	36568 KB	Output is correct
31	Correct	253 ms	36568 KB	Output is correct
32	Correct	11 ms	14444 KB	Output is correct
33	Correct	10 ms	14444 KB	Output is correct
34	Correct	10 ms	14444 KB	Output is correct
35	Correct	10 ms	14572 KB	Output is correct
36	Correct	18 ms	15596 KB	Output is correct
37	Correct	270 ms	37092 KB	Output is correct
38	Correct	259 ms	37080 KB	Output is correct
39	Correct	251 ms	37080 KB	Output is correct
40	Correct	257 ms	37080 KB	Output is correct
41	Correct	10 ms	14444 KB	Output is correct
42	Correct	11 ms	14572 KB	Output is correct
43	Correct	16 ms	15468 KB	Output is correct
44	Correct	17 ms	15596 KB	Output is correct
45	Correct	282 ms	37080 KB	Output is correct
46	Correct	251 ms	37080 KB	Output is correct
47	Correct	257 ms	37080 KB	Output is correct
48	Correct	248 ms	37080 KB	Output is correct
49	Correct	264 ms	37080 KB	Output is correct
50	Correct	262 ms	37080 KB	Output is correct
51	Correct	257 ms	37080 KB	Output is correct
52	Correct	255 ms	37080 KB	Output is correct
53	Correct	257 ms	37208 KB	Output is correct
54	Correct	253 ms	37080 KB	Output is correct
55	Correct	252 ms	37208 KB	Output is correct
56	Correct	10 ms	14476 KB	Output is correct
57	Correct	147 ms	45156 KB	Output is correct
58	Correct	120 ms	45028 KB	Output is correct
59	Correct	121 ms	45028 KB	Output is correct
60	Correct	10 ms	14464 KB	Output is correct
61	Correct	10 ms	14444 KB	Output is correct
62	Correct	10 ms	14444 KB	Output is correct
63	Correct	10 ms	14444 KB	Output is correct
64	Correct	10 ms	14444 KB	Output is correct
65	Correct	11 ms	14444 KB	Output is correct
66	Correct	10 ms	14444 KB	Output is correct
67	Correct	10 ms	14444 KB	Output is correct
68	Correct	11 ms	14444 KB	Output is correct
69	Correct	10 ms	14444 KB	Output is correct
70	Correct	10 ms	14572 KB	Output is correct
71	Correct	10 ms	14444 KB	Output is correct
72	Correct	11 ms	14444 KB	Output is correct
73	Correct	10 ms	14444 KB	Output is correct
74	Correct	10 ms	14444 KB	Output is correct
75	Correct	11 ms	14444 KB	Output is correct
76	Correct	10 ms	14444 KB	Output is correct
77	Correct	10 ms	14444 KB	Output is correct
78	Correct	10 ms	14444 KB	Output is correct
79	Correct	10 ms	14464 KB	Output is correct
80	Correct	10 ms	14444 KB	Output is correct
81	Correct	10 ms	14444 KB	Output is correct
82	Correct	10 ms	14444 KB	Output is correct
83	Correct	10 ms	14444 KB	Output is correct
84	Correct	10 ms	14444 KB	Output is correct
85	Correct	11 ms	14444 KB	Output is correct
86	Correct	10 ms	14444 KB	Output is correct
87	Correct	10 ms	14572 KB	Output is correct
88	Correct	14 ms	14956 KB	Output is correct
89	Correct	16 ms	15212 KB	Output is correct
90	Correct	19 ms	15468 KB	Output is correct
91	Correct	55 ms	19428 KB	Output is correct
92	Correct	115 ms	24292 KB	Output is correct
93	Correct	260 ms	34276 KB	Output is correct
94	Correct	266 ms	34148 KB	Output is correct
95	Correct	258 ms	34148 KB	Output is correct
96	Correct	259 ms	34276 KB	Output is correct
97	Correct	255 ms	34020 KB	Output is correct
98	Correct	234 ms	35432 KB	Output is correct
99	Correct	291 ms	36292 KB	Output is correct
100	Correct	261 ms	34276 KB	Output is correct
101	Correct	215 ms	32996 KB	Output is correct
102	Correct	313 ms	40548 KB	Output is correct
103	Correct	212 ms	31972 KB	Output is correct
104	Correct	204 ms	31076 KB	Output is correct
105	Correct	155 ms	31716 KB	Output is correct
106	Correct	296 ms	37732 KB	Output is correct

Submission #318988

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