oj.uz

Submission #143972

# Submission time Handle Problem Language Result Execution time Memory
143972 2019-08-15T14:04:04 Z nvmdava Job Scheduling (IOI19_job) C++17
100 / 100
 531 ms 90276 KB 
// model_solution/job-mruxim.cpp
 
// ... ... .. ....!
// ... ....... .... ...!
 
#include<bits/stdc++.h>
using namespace std;
 
#define rep(i, n) for(int i = 0, i##__n = (int)(n); i < i##__n; ++i)
#define fer(i, a, b) for(int i = (int)(a), i##__b = (int)(b); i < i##__b; ++i)
#define rof(i, b, a) for(int i = (int)(b), i##__a = (int)(a); i-- > i##__a; )
#define sz(x) (int((x).size()))
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define X first
#define Y second
//#define endl '\n'
 
template<class P, class Q> inline void smin(P &a, Q b) { if (b < a) a = b; }
template<class P, class Q> inline void smax(P &a, Q b) { if (a < b) a = b; }
 
typedef long long ll;
typedef pair<int, int> pii;
 
////////////////////////////////////////////////////////////////////////////////
 
const int maxn = 200000 + 100;
 
int par[maxn];
 
struct Job {
	ll urg, dur;
	bool operator<(Job j) const {
//		return urg * j.dur > j.urg * dur;
		return urg / (double)dur > j.urg / (double)j.dur;
	}
} jobs[maxn];
 
vector<int> child[maxn];
multiset<Job> path[maxn];
 
ll ans;
 
void dfs(int u) {
	int big = -1;
 
	for(int v: child[u]) {
		dfs(v);
		if(big == -1 || sz(path[v]) > sz(path[big]))
			big = v;
	}
	
	if(big != -1)
		path[u] = move(path[big]);
 
	for(int v: child[u])
		if(v != big)
			for(Job j: path[v])
				path[u].insert(j);
 
	Job cur = jobs[u];
	while(!path[u].empty() && *path[u].begin() < cur)
		ans += cur.dur * path[u].begin()->urg,
		cur.urg += path[u].begin()->urg,
		cur.dur += path[u].begin()->dur,
		path[u].erase(path[u].begin());
	path[u].insert(cur);
}
 
long long scheduling_cost(vector<int> P, vector<int> U, vector<int> D) {
	int n = sz(U);
	rep(i, n) jobs[i].urg = U[i], jobs[i].dur = D[i];
 
	int root = -1;
	rep(i, n) {
		par[i] = P[i];
		if(par[i] == -1)
			root = i;
		else
			child[par[i]].pb(i);
	}
 
	dfs(root);
 
	ll c_time = 0;
	for(Job j: path[root])
		ans += c_time * j.urg,
		c_time += j.dur;
 
	rep(i, n) ans += U[i] * D[i];
 
	return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 14456 KB Output is correct
2 Correct 15 ms 14372 KB Output is correct
3 Correct 15 ms 14388 KB Output is correct
4 Correct 15 ms 14592 KB Output is correct
5 Correct 50 ms 24412 KB Output is correct
6 Correct 85 ms 34412 KB Output is correct
7 Correct 120 ms 44348 KB Output is correct
8 Correct 161 ms 54332 KB Output is correct
9 Correct 207 ms 54364 KB Output is correct
10 Correct 157 ms 54520 KB Output is correct
11 Correct 18 ms 14400 KB Output is correct
12 Correct 159 ms 54392 KB Output is correct
13 Correct 151 ms 54392 KB Output is correct
14 Correct 159 ms 54392 KB Output is correct
15 Correct 149 ms 54392 KB Output is correct
16 Correct 171 ms 54508 KB Output is correct
17 Correct 160 ms 54392 KB Output is correct
18 Correct 156 ms 54392 KB Output is correct
19 Correct 148 ms 54300 KB Output is correct
20 Correct 200 ms 63040 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 14456 KB Output is correct
2 Correct 14 ms 14456 KB Output is correct
3 Correct 15 ms 14456 KB Output is correct
4 Correct 288 ms 48848 KB Output is correct
5 Correct 286 ms 48876 KB Output is correct
6 Correct 289 ms 48876 KB Output is correct
7 Correct 282 ms 48936 KB Output is correct
8 Correct 285 ms 48988 KB Output is correct
9 Correct 303 ms 49016 KB Output is correct
10 Correct 294 ms 49016 KB Output is correct
11 Correct 288 ms 48876 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 14456 KB Output is correct
2 Correct 15 ms 14456 KB Output is correct
3 Correct 15 ms 14456 KB Output is correct
4 Correct 16 ms 14584 KB Output is correct
5 Correct 24 ms 16120 KB Output is correct
6 Correct 299 ms 48984 KB Output is correct
7 Correct 299 ms 48876 KB Output is correct
8 Correct 295 ms 48876 KB Output is correct
9 Correct 290 ms 48876 KB Output is correct
10 Correct 16 ms 14456 KB Output is correct
11 Correct 16 ms 14716 KB Output is correct
12 Correct 23 ms 15992 KB Output is correct
13 Correct 25 ms 16120 KB Output is correct
14 Correct 298 ms 48920 KB Output is correct
15 Correct 288 ms 48972 KB Output is correct
16 Correct 305 ms 48876 KB Output is correct
17 Correct 290 ms 49004 KB Output is correct
18 Correct 298 ms 49132 KB Output is correct
19 Correct 294 ms 48888 KB Output is correct
20 Correct 302 ms 48876 KB Output is correct
21 Correct 296 ms 48876 KB Output is correct
22 Correct 292 ms 49004 KB Output is correct
23 Correct 309 ms 49004 KB Output is correct
24 Correct 288 ms 48932 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 14456 KB Output is correct
2 Correct 148 ms 41856 KB Output is correct
3 Correct 150 ms 41848 KB Output is correct
4 Correct 150 ms 41880 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 14456 KB Output is correct
2 Correct 15 ms 14460 KB Output is correct
3 Correct 15 ms 14456 KB Output is correct
4 Correct 15 ms 14584 KB Output is correct
5 Correct 15 ms 14456 KB Output is correct
6 Correct 15 ms 14456 KB Output is correct
7 Correct 15 ms 14456 KB Output is correct
8 Correct 15 ms 14460 KB Output is correct
9 Correct 15 ms 14456 KB Output is correct
10 Correct 15 ms 14444 KB Output is correct
11 Correct 15 ms 14456 KB Output is correct
12 Correct 15 ms 14456 KB Output is correct
13 Correct 15 ms 14456 KB Output is correct
14 Correct 16 ms 14456 KB Output is correct
15 Correct 15 ms 14456 KB Output is correct
16 Correct 14 ms 14456 KB Output is correct
17 Correct 15 ms 14456 KB Output is correct

Subtask #6
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 14456 KB Output is correct
2 Correct 15 ms 14372 KB Output is correct
3 Correct 15 ms 14388 KB Output is correct
4 Correct 15 ms 14592 KB Output is correct
5 Correct 50 ms 24412 KB Output is correct
6 Correct 85 ms 34412 KB Output is correct
7 Correct 120 ms 44348 KB Output is correct
8 Correct 161 ms 54332 KB Output is correct
9 Correct 207 ms 54364 KB Output is correct
10 Correct 157 ms 54520 KB Output is correct
11 Correct 18 ms 14400 KB Output is correct
12 Correct 159 ms 54392 KB Output is correct
13 Correct 151 ms 54392 KB Output is correct
14 Correct 159 ms 54392 KB Output is correct
15 Correct 149 ms 54392 KB Output is correct
16 Correct 171 ms 54508 KB Output is correct
17 Correct 160 ms 54392 KB Output is correct
18 Correct 156 ms 54392 KB Output is correct
19 Correct 148 ms 54300 KB Output is correct
20 Correct 200 ms 63040 KB Output is correct
21 Correct 14 ms 14456 KB Output is correct
22 Correct 14 ms 14456 KB Output is correct
23 Correct 15 ms 14456 KB Output is correct
24 Correct 288 ms 48848 KB Output is correct
25 Correct 286 ms 48876 KB Output is correct
26 Correct 289 ms 48876 KB Output is correct
27 Correct 282 ms 48936 KB Output is correct
28 Correct 285 ms 48988 KB Output is correct
29 Correct 303 ms 49016 KB Output is correct
30 Correct 294 ms 49016 KB Output is correct
31 Correct 288 ms 48876 KB Output is correct
32 Correct 15 ms 14456 KB Output is correct
33 Correct 15 ms 14456 KB Output is correct
34 Correct 15 ms 14456 KB Output is correct
35 Correct 16 ms 14584 KB Output is correct
36 Correct 24 ms 16120 KB Output is correct
37 Correct 299 ms 48984 KB Output is correct
38 Correct 299 ms 48876 KB Output is correct
39 Correct 295 ms 48876 KB Output is correct
40 Correct 290 ms 48876 KB Output is correct
41 Correct 16 ms 14456 KB Output is correct
42 Correct 16 ms 14716 KB Output is correct
43 Correct 23 ms 15992 KB Output is correct
44 Correct 25 ms 16120 KB Output is correct
45 Correct 298 ms 48920 KB Output is correct
46 Correct 288 ms 48972 KB Output is correct
47 Correct 305 ms 48876 KB Output is correct
48 Correct 290 ms 49004 KB Output is correct
49 Correct 298 ms 49132 KB Output is correct
50 Correct 294 ms 48888 KB Output is correct
51 Correct 302 ms 48876 KB Output is correct
52 Correct 296 ms 48876 KB Output is correct
53 Correct 292 ms 49004 KB Output is correct
54 Correct 309 ms 49004 KB Output is correct
55 Correct 288 ms 48932 KB Output is correct
56 Correct 12 ms 14456 KB Output is correct
57 Correct 148 ms 41856 KB Output is correct
58 Correct 150 ms 41848 KB Output is correct
59 Correct 150 ms 41880 KB Output is correct
60 Correct 15 ms 14456 KB Output is correct
61 Correct 15 ms 14460 KB Output is correct
62 Correct 15 ms 14456 KB Output is correct
63 Correct 15 ms 14584 KB Output is correct
64 Correct 15 ms 14456 KB Output is correct
65 Correct 15 ms 14456 KB Output is correct
66 Correct 15 ms 14456 KB Output is correct
67 Correct 15 ms 14460 KB Output is correct
68 Correct 15 ms 14456 KB Output is correct
69 Correct 15 ms 14444 KB Output is correct
70 Correct 15 ms 14456 KB Output is correct
71 Correct 15 ms 14456 KB Output is correct
72 Correct 15 ms 14456 KB Output is correct
73 Correct 16 ms 14456 KB Output is correct
74 Correct 15 ms 14456 KB Output is correct
75 Correct 14 ms 14456 KB Output is correct
76 Correct 15 ms 14456 KB Output is correct
77 Correct 15 ms 14456 KB Output is correct
78 Correct 15 ms 14456 KB Output is correct
79 Correct 15 ms 14456 KB Output is correct
80 Correct 15 ms 14456 KB Output is correct
81 Correct 15 ms 14584 KB Output is correct
82 Correct 15 ms 14456 KB Output is correct
83 Correct 15 ms 14456 KB Output is correct
84 Correct 15 ms 14456 KB Output is correct
85 Correct 15 ms 14456 KB Output is correct
86 Correct 14 ms 14456 KB Output is correct
87 Correct 15 ms 14456 KB Output is correct
88 Correct 21 ms 15352 KB Output is correct
89 Correct 28 ms 15992 KB Output is correct
90 Correct 31 ms 16428 KB Output is correct
91 Correct 92 ms 25592 KB Output is correct
92 Correct 183 ms 38136 KB Output is correct
93 Correct 412 ms 62200 KB Output is correct
94 Correct 382 ms 63352 KB Output is correct
95 Correct 377 ms 62840 KB Output is correct
96 Correct 410 ms 62808 KB Output is correct
97 Correct 369 ms 63608 KB Output is correct
98 Correct 388 ms 67448 KB Output is correct
99 Correct 427 ms 74112 KB Output is correct
100 Correct 381 ms 62584 KB Output is correct
101 Correct 317 ms 52088 KB Output is correct
102 Correct 531 ms 90276 KB Output is correct
103 Correct 370 ms 51640 KB Output is correct
104 Correct 278 ms 44408 KB Output is correct
105 Correct 210 ms 40312 KB Output is correct
106 Correct 410 ms 61048 KB Output is correct