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Submission #802886

# Submission time Handle Problem Language Result Execution time Memory
802886 2023-08-02T15:35:19 Z Ahmed57 Job Scheduling (IOI19_job) C++17
42 / 100
 149 ms 31024 KB 
#include<bits/stdc++.h>

using namespace std;
long long D[200001],U[200001];
bool comp(int a,int b){
     return (D[a]*U[b])<(D[b]*U[a]);
}
struct cmp {
	bool operator()(const int &a, const int &b) {
		return (D[a]*U[b])>(D[b]*U[a]);
	}
};
priority_queue<int,vector<int>,cmp> adj[200001];
vector<int> ans;
void dfs(int u) {
	ans.push_back(u);
	for(;adj[u].size();adj[u].pop())dfs(adj[u].top());
}
long long scheduling_cost(vector<int> p,vector<int> u,vector<int> d){
    int n = p.size();
    long long nxt[n],nick_name[n];
    U[0] = u[0] , D[0] = d[0];
    nxt[0] = -1;nick_name[0] = 0;
    for(int i = 1;i<n;i++){
        nick_name[i] = i;
        nxt[i] = -1;
        U[i] = u[i];
        D[i] = d[i];
        adj[p[i]].push(i);
    }
    for(int i = n-1;i>=0;i--){
        while(adj[i].size()){
            int x = -1;
            if(cmp()(i,adj[i].top())){
                x = adj[i].top();
            }else break;
            adj[i].pop();
            nxt[nick_name[i]] = x;
            nick_name[i] = nick_name[x];
            D[i]+=D[x];
            U[i]+=U[x];
            if(adj[i].size()<adj[x].size())swap(adj[i],adj[x]);
            while(adj[x].size()){
                adj[i].push(adj[x].top());adj[x].pop();
            }
        }
    }
    dfs(0);
    sort(ans.begin(),ans.end(),cmp());
    long long all = 0 , cur = 0;
    for(int i = ans.size()-1;i>=0;i--){
        int lol = ans[i];
        while(lol!=-1){
        cur+=d[lol];
        all+=cur*u[lol];
        lol = nxt[lol];
        }
    }
    return all;
}/*
int main(){
    cout<<scheduling_cost({-1,0,0},{5,2,5},{3,4,1});
}*/

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6484 KB Output is correct
2 Correct 3 ms 6484 KB Output is correct
3 Correct 3 ms 6484 KB Output is correct
4 Correct 3 ms 6612 KB Output is correct
5 Correct 18 ms 10876 KB Output is correct
6 Correct 32 ms 15176 KB Output is correct
7 Correct 48 ms 19480 KB Output is correct
8 Correct 61 ms 23756 KB Output is correct
9 Correct 62 ms 23776 KB Output is correct
10 Correct 67 ms 23760 KB Output is correct
11 Correct 3 ms 6484 KB Output is correct
12 Correct 62 ms 23736 KB Output is correct
13 Correct 61 ms 23756 KB Output is correct
14 Correct 64 ms 23812 KB Output is correct
15 Correct 60 ms 23768 KB Output is correct
16 Correct 60 ms 23884 KB Output is correct
17 Correct 62 ms 23756 KB Output is correct
18 Correct 63 ms 23752 KB Output is correct
19 Correct 66 ms 23764 KB Output is correct
20 Correct 68 ms 31024 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6484 KB Output is correct
2 Correct 3 ms 6484 KB Output is correct
3 Correct 3 ms 6484 KB Output is correct
4 Correct 118 ms 19776 KB Output is correct
5 Correct 119 ms 19764 KB Output is correct
6 Correct 115 ms 19760 KB Output is correct
7 Correct 123 ms 19828 KB Output is correct
8 Correct 149 ms 19752 KB Output is correct
9 Correct 119 ms 19856 KB Output is correct
10 Correct 116 ms 19792 KB Output is correct
11 Correct 115 ms 19776 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 6484 KB Output is correct
2 Correct 3 ms 6484 KB Output is correct
3 Correct 3 ms 6484 KB Output is correct
4 Correct 3 ms 6612 KB Output is correct
5 Correct 7 ms 7252 KB Output is correct
6 Correct 120 ms 19848 KB Output is correct
7 Correct 120 ms 19796 KB Output is correct
8 Correct 122 ms 19776 KB Output is correct
9 Correct 129 ms 19768 KB Output is correct
10 Correct 3 ms 6484 KB Output is correct
11 Correct 4 ms 6612 KB Output is correct
12 Correct 6 ms 7124 KB Output is correct
13 Correct 7 ms 7252 KB Output is correct
14 Correct 120 ms 19788 KB Output is correct
15 Correct 121 ms 19760 KB Output is correct
16 Correct 124 ms 19840 KB Output is correct
17 Correct 127 ms 19824 KB Output is correct
18 Correct 120 ms 19740 KB Output is correct
19 Correct 119 ms 19760 KB Output is correct
20 Correct 121 ms 19776 KB Output is correct
21 Correct 119 ms 19780 KB Output is correct
22 Correct 133 ms 19860 KB Output is correct
23 Correct 118 ms 19820 KB Output is correct
24 Correct 122 ms 19856 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6484 KB Output is correct
2 Correct 62 ms 23760 KB Output is correct
3 Correct 62 ms 23836 KB Output is correct
4 Correct 63 ms 23784 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6484 KB Output is correct
2 Incorrect 3 ms 6484 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6484 KB Output is correct
2 Correct 3 ms 6484 KB Output is correct
3 Correct 3 ms 6484 KB Output is correct
4 Correct 3 ms 6612 KB Output is correct
5 Correct 18 ms 10876 KB Output is correct
6 Correct 32 ms 15176 KB Output is correct
7 Correct 48 ms 19480 KB Output is correct
8 Correct 61 ms 23756 KB Output is correct
9 Correct 62 ms 23776 KB Output is correct
10 Correct 67 ms 23760 KB Output is correct
11 Correct 3 ms 6484 KB Output is correct
12 Correct 62 ms 23736 KB Output is correct
13 Correct 61 ms 23756 KB Output is correct
14 Correct 64 ms 23812 KB Output is correct
15 Correct 60 ms 23768 KB Output is correct
16 Correct 60 ms 23884 KB Output is correct
17 Correct 62 ms 23756 KB Output is correct
18 Correct 63 ms 23752 KB Output is correct
19 Correct 66 ms 23764 KB Output is correct
20 Correct 68 ms 31024 KB Output is correct
21 Correct 3 ms 6484 KB Output is correct
22 Correct 3 ms 6484 KB Output is correct
23 Correct 3 ms 6484 KB Output is correct
24 Correct 118 ms 19776 KB Output is correct
25 Correct 119 ms 19764 KB Output is correct
26 Correct 115 ms 19760 KB Output is correct
27 Correct 123 ms 19828 KB Output is correct
28 Correct 149 ms 19752 KB Output is correct
29 Correct 119 ms 19856 KB Output is correct
30 Correct 116 ms 19792 KB Output is correct
31 Correct 115 ms 19776 KB Output is correct
32 Correct 4 ms 6484 KB Output is correct
33 Correct 3 ms 6484 KB Output is correct
34 Correct 3 ms 6484 KB Output is correct
35 Correct 3 ms 6612 KB Output is correct
36 Correct 7 ms 7252 KB Output is correct
37 Correct 120 ms 19848 KB Output is correct
38 Correct 120 ms 19796 KB Output is correct
39 Correct 122 ms 19776 KB Output is correct
40 Correct 129 ms 19768 KB Output is correct
41 Correct 3 ms 6484 KB Output is correct
42 Correct 4 ms 6612 KB Output is correct
43 Correct 6 ms 7124 KB Output is correct
44 Correct 7 ms 7252 KB Output is correct
45 Correct 120 ms 19788 KB Output is correct
46 Correct 121 ms 19760 KB Output is correct
47 Correct 124 ms 19840 KB Output is correct
48 Correct 127 ms 19824 KB Output is correct
49 Correct 120 ms 19740 KB Output is correct
50 Correct 119 ms 19760 KB Output is correct
51 Correct 121 ms 19776 KB Output is correct
52 Correct 119 ms 19780 KB Output is correct
53 Correct 133 ms 19860 KB Output is correct
54 Correct 118 ms 19820 KB Output is correct
55 Correct 122 ms 19856 KB Output is correct
56 Correct 3 ms 6484 KB Output is correct
57 Correct 62 ms 23760 KB Output is correct
58 Correct 62 ms 23836 KB Output is correct
59 Correct 63 ms 23784 KB Output is correct
60 Correct 3 ms 6484 KB Output is correct
61 Incorrect 3 ms 6484 KB Output isn't correct
62 Halted 0 ms 0 KB -