oj.uz

Submission #718301

# Submission time Handle Problem Language Result Execution time Memory
718301 2023-04-03T20:03:25 Z potato167 Job Scheduling (IOI19_job) C++17
100 / 100
 317 ms 20788 KB 
#include "job.h"
#include <bits/stdc++.h>


long long scheduling_cost(std::vector<int> p, std::vector<int> u, std::vector<int> d) {
	int n=p.size();
	struct _job
	{
		long long cost;
		long long time;
		int ind;
	};
	std::vector<int> par(n);
	std::vector<_job> val(n);
	long long ans=0;
	for(int i=0;i<n;i++){
		par[i]=i;
		val[i].cost=(long long)u[i];
		val[i].time=(long long)d[i];
		val[i].ind=i;
		ans+=val[i].cost*val[i].time;
	}
	auto concat_job=[&](_job &l,_job r)->void{
		ans+=l.time*r.cost;
		l.time+=r.time;
		l.cost+=r.cost;
	};
	auto comp_job=[&](_job l,_job r)->bool{
		return l.cost*r.time<l.time*r.cost;
	};
	auto root=[&](auto self,int a)->int{
		if(a==par[a]) return a;
		par[a]=self(self,par[a]);
		return par[a];
	};
	std::priority_queue<_job,std::vector<_job>,std::function<bool(_job,_job)>> pq(comp_job);
	int t=-1;
	for(int i=0;i<n;i++){
		if(p[i]==-1) t=i;
	}
	std::vector<int> seen(n);
	for(int i=0;i<n;i++){
		if(i!=t){
			pq.push(val[i]);
		}
	}
	while(!pq.empty()){
		_job tmp=pq.top();
		pq.pop();
		if(seen[tmp.ind]) continue;
		if(val[tmp.ind].cost!=tmp.cost||val[tmp.ind].time!=tmp.time) continue;
		seen[tmp.ind]=1;
		par[tmp.ind]=p[tmp.ind];
		int r=root(root,tmp.ind);
		concat_job(val[r],tmp);
		if(r!=t) pq.push(val[r]);
	}
	return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 47 ms 5472 KB Output is correct
6 Correct 109 ms 10440 KB Output is correct
7 Correct 183 ms 17120 KB Output is correct
8 Correct 276 ms 20764 KB Output is correct
9 Correct 252 ms 20684 KB Output is correct
10 Correct 238 ms 20644 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 255 ms 20644 KB Output is correct
13 Correct 221 ms 20736 KB Output is correct
14 Correct 225 ms 20648 KB Output is correct
15 Correct 218 ms 20652 KB Output is correct
16 Correct 190 ms 20636 KB Output is correct
17 Correct 277 ms 20636 KB Output is correct
18 Correct 254 ms 20632 KB Output is correct
19 Correct 198 ms 20652 KB Output is correct
20 Correct 146 ms 20652 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 150 ms 19264 KB Output is correct
5 Correct 151 ms 19236 KB Output is correct
6 Correct 153 ms 19244 KB Output is correct
7 Correct 139 ms 19248 KB Output is correct
8 Correct 149 ms 19264 KB Output is correct
9 Correct 153 ms 19240 KB Output is correct
10 Correct 146 ms 19224 KB Output is correct
11 Correct 154 ms 19264 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 7 ms 1432 KB Output is correct
6 Correct 144 ms 19772 KB Output is correct
7 Correct 163 ms 19876 KB Output is correct
8 Correct 183 ms 19880 KB Output is correct
9 Correct 163 ms 19932 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 2 ms 440 KB Output is correct
12 Correct 5 ms 1304 KB Output is correct
13 Correct 7 ms 1400 KB Output is correct
14 Correct 153 ms 19764 KB Output is correct
15 Correct 168 ms 19884 KB Output is correct
16 Correct 185 ms 19824 KB Output is correct
17 Correct 145 ms 19876 KB Output is correct
18 Correct 158 ms 19888 KB Output is correct
19 Correct 155 ms 19880 KB Output is correct
20 Correct 180 ms 19780 KB Output is correct
21 Correct 145 ms 19812 KB Output is correct
22 Correct 173 ms 19856 KB Output is correct
23 Correct 157 ms 19868 KB Output is correct
24 Correct 152 ms 19860 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 247 ms 20632 KB Output is correct
3 Correct 275 ms 20788 KB Output is correct
4 Correct 317 ms 20652 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 304 KB Output is correct
17 Correct 1 ms 300 KB Output is correct

Subtask #6
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 47 ms 5472 KB Output is correct
6 Correct 109 ms 10440 KB Output is correct
7 Correct 183 ms 17120 KB Output is correct
8 Correct 276 ms 20764 KB Output is correct
9 Correct 252 ms 20684 KB Output is correct
10 Correct 238 ms 20644 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 255 ms 20644 KB Output is correct
13 Correct 221 ms 20736 KB Output is correct
14 Correct 225 ms 20648 KB Output is correct
15 Correct 218 ms 20652 KB Output is correct
16 Correct 190 ms 20636 KB Output is correct
17 Correct 277 ms 20636 KB Output is correct
18 Correct 254 ms 20632 KB Output is correct
19 Correct 198 ms 20652 KB Output is correct
20 Correct 146 ms 20652 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 150 ms 19264 KB Output is correct
25 Correct 151 ms 19236 KB Output is correct
26 Correct 153 ms 19244 KB Output is correct
27 Correct 139 ms 19248 KB Output is correct
28 Correct 149 ms 19264 KB Output is correct
29 Correct 153 ms 19240 KB Output is correct
30 Correct 146 ms 19224 KB Output is correct
31 Correct 154 ms 19264 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 7 ms 1432 KB Output is correct
37 Correct 144 ms 19772 KB Output is correct
38 Correct 163 ms 19876 KB Output is correct
39 Correct 183 ms 19880 KB Output is correct
40 Correct 163 ms 19932 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 2 ms 440 KB Output is correct
43 Correct 5 ms 1304 KB Output is correct
44 Correct 7 ms 1400 KB Output is correct
45 Correct 153 ms 19764 KB Output is correct
46 Correct 168 ms 19884 KB Output is correct
47 Correct 185 ms 19824 KB Output is correct
48 Correct 145 ms 19876 KB Output is correct
49 Correct 158 ms 19888 KB Output is correct
50 Correct 155 ms 19880 KB Output is correct
51 Correct 180 ms 19780 KB Output is correct
52 Correct 145 ms 19812 KB Output is correct
53 Correct 173 ms 19856 KB Output is correct
54 Correct 157 ms 19868 KB Output is correct
55 Correct 152 ms 19860 KB Output is correct
56 Correct 1 ms 300 KB Output is correct
57 Correct 247 ms 20632 KB Output is correct
58 Correct 275 ms 20788 KB Output is correct
59 Correct 317 ms 20652 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 1 ms 212 KB Output is correct
67 Correct 1 ms 212 KB Output is correct
68 Correct 1 ms 212 KB Output is correct
69 Correct 1 ms 212 KB Output is correct
70 Correct 1 ms 212 KB Output is correct
71 Correct 1 ms 300 KB Output is correct
72 Correct 1 ms 212 KB Output is correct
73 Correct 1 ms 212 KB Output is correct
74 Correct 1 ms 212 KB Output is correct
75 Correct 1 ms 304 KB Output is correct
76 Correct 1 ms 300 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 1 ms 212 KB Output is correct
79 Correct 1 ms 212 KB Output is correct
80 Correct 1 ms 212 KB Output is correct
81 Correct 1 ms 212 KB Output is correct
82 Correct 1 ms 212 KB Output is correct
83 Correct 1 ms 212 KB Output is correct
84 Correct 1 ms 212 KB Output is correct
85 Correct 1 ms 212 KB Output is correct
86 Correct 0 ms 212 KB Output is correct
87 Correct 1 ms 212 KB Output is correct
88 Correct 4 ms 852 KB Output is correct
89 Correct 6 ms 1124 KB Output is correct
90 Correct 8 ms 1416 KB Output is correct
91 Correct 40 ms 5456 KB Output is correct
92 Correct 103 ms 10408 KB Output is correct
93 Correct 238 ms 20644 KB Output is correct
94 Correct 223 ms 20552 KB Output is correct
95 Correct 245 ms 20528 KB Output is correct
96 Correct 218 ms 20636 KB Output is correct
97 Correct 190 ms 20524 KB Output is correct
98 Correct 237 ms 20676 KB Output is correct
99 Correct 181 ms 20528 KB Output is correct
100 Correct 217 ms 20544 KB Output is correct
101 Correct 237 ms 20644 KB Output is correct
102 Correct 163 ms 20632 KB Output is correct
103 Correct 229 ms 20628 KB Output is correct
104 Correct 224 ms 20656 KB Output is correct
105 Correct 205 ms 20648 KB Output is correct
106 Correct 151 ms 20032 KB Output is correct