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Submission #802861

# Submission time Handle Problem Language Result Execution time Memory
802861 2023-08-02T15:15:10 Z Ahmed57 Job Scheduling (IOI19_job) C++17
42 / 100
 90 ms 27748 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];
long long scheduling_cost(vector<int> p,vector<int> u,vector<int> d){
    int n = p.size();
    int real[n];
    long long nxt[n],nick_name[n];
    U[0] = u[0] , D[0] = d[0];
    real[0] = 1;nxt[0] = -1;
    nick_name[0] = 0;
    for(int i = 1;i<n;i++){
        nick_name[i] = i;
        real[i] = 1;
        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(comp(adj[i].top(),i)){
                x = adj[i].top();
            }else break;
            adj[i].pop();
            real[x] = 0;
            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();
            }
        }
    }
    vector<int> ans;
    for(int i = 0;i<n;i++){
        if(real[i]){
            ans.push_back(i);
        }
    }
    sort(ans.begin(),ans.end(),comp);
    long long all = 0 , cur = 0;
    for(int i = 0;i<ans.size();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});
}*/

Compilation message

job.cpp: In function 'long long int scheduling_cost(std::vector<int>, std::vector<int>, std::vector<int>)':
job.cpp:55:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |     for(int i = 0;i<ans.size();i++){
      |                   ~^~~~~~~~~~~

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 6452 KB Output is correct
4 Correct 3 ms 6612 KB Output is correct
5 Correct 16 ms 11064 KB Output is correct
6 Correct 31 ms 15564 KB Output is correct
7 Correct 49 ms 20028 KB Output is correct
8 Correct 56 ms 24504 KB Output is correct
9 Correct 55 ms 24540 KB Output is correct
10 Correct 56 ms 24504 KB Output is correct
11 Correct 3 ms 6484 KB Output is correct
12 Correct 56 ms 24508 KB Output is correct
13 Correct 54 ms 24524 KB Output is correct
14 Correct 55 ms 24496 KB Output is correct
15 Correct 57 ms 24512 KB Output is correct
16 Correct 57 ms 24544 KB Output is correct
17 Correct 56 ms 24524 KB Output is correct
18 Correct 58 ms 24532 KB Output is correct
19 Correct 56 ms 24508 KB Output is correct
20 Correct 62 ms 25672 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 74 ms 22340 KB Output is correct
5 Correct 74 ms 22328 KB Output is correct
6 Correct 73 ms 22380 KB Output is correct
7 Correct 75 ms 22336 KB Output is correct
8 Correct 76 ms 22328 KB Output is correct
9 Correct 74 ms 22304 KB Output is correct
10 Correct 80 ms 22312 KB Output is correct
11 Correct 74 ms 22312 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6504 KB Output is correct
2 Correct 3 ms 6484 KB Output is correct
3 Correct 3 ms 6568 KB Output is correct
4 Correct 3 ms 6612 KB Output is correct
5 Correct 7 ms 7352 KB Output is correct
6 Correct 78 ms 22832 KB Output is correct
7 Correct 79 ms 22824 KB Output is correct
8 Correct 79 ms 22940 KB Output is correct
9 Correct 79 ms 22840 KB Output is correct
10 Correct 3 ms 6484 KB Output is correct
11 Correct 4 ms 6660 KB Output is correct
12 Correct 6 ms 7252 KB Output is correct
13 Correct 8 ms 7356 KB Output is correct
14 Correct 80 ms 22816 KB Output is correct
15 Correct 79 ms 22948 KB Output is correct
16 Correct 80 ms 22844 KB Output is correct
17 Correct 79 ms 22828 KB Output is correct
18 Correct 78 ms 22832 KB Output is correct
19 Correct 79 ms 22848 KB Output is correct
20 Correct 79 ms 22940 KB Output is correct
21 Correct 90 ms 22852 KB Output is correct
22 Correct 78 ms 22840 KB Output is correct
23 Correct 83 ms 22952 KB Output is correct
24 Correct 81 ms 22952 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 55 ms 24524 KB Output is correct
3 Correct 60 ms 27748 KB Output is correct
4 Correct 57 ms 27712 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6460 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 6452 KB Output is correct
4 Correct 3 ms 6612 KB Output is correct
5 Correct 16 ms 11064 KB Output is correct
6 Correct 31 ms 15564 KB Output is correct
7 Correct 49 ms 20028 KB Output is correct
8 Correct 56 ms 24504 KB Output is correct
9 Correct 55 ms 24540 KB Output is correct
10 Correct 56 ms 24504 KB Output is correct
11 Correct 3 ms 6484 KB Output is correct
12 Correct 56 ms 24508 KB Output is correct
13 Correct 54 ms 24524 KB Output is correct
14 Correct 55 ms 24496 KB Output is correct
15 Correct 57 ms 24512 KB Output is correct
16 Correct 57 ms 24544 KB Output is correct
17 Correct 56 ms 24524 KB Output is correct
18 Correct 58 ms 24532 KB Output is correct
19 Correct 56 ms 24508 KB Output is correct
20 Correct 62 ms 25672 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 74 ms 22340 KB Output is correct
25 Correct 74 ms 22328 KB Output is correct
26 Correct 73 ms 22380 KB Output is correct
27 Correct 75 ms 22336 KB Output is correct
28 Correct 76 ms 22328 KB Output is correct
29 Correct 74 ms 22304 KB Output is correct
30 Correct 80 ms 22312 KB Output is correct
31 Correct 74 ms 22312 KB Output is correct
32 Correct 3 ms 6504 KB Output is correct
33 Correct 3 ms 6484 KB Output is correct
34 Correct 3 ms 6568 KB Output is correct
35 Correct 3 ms 6612 KB Output is correct
36 Correct 7 ms 7352 KB Output is correct
37 Correct 78 ms 22832 KB Output is correct
38 Correct 79 ms 22824 KB Output is correct
39 Correct 79 ms 22940 KB Output is correct
40 Correct 79 ms 22840 KB Output is correct
41 Correct 3 ms 6484 KB Output is correct
42 Correct 4 ms 6660 KB Output is correct
43 Correct 6 ms 7252 KB Output is correct
44 Correct 8 ms 7356 KB Output is correct
45 Correct 80 ms 22816 KB Output is correct
46 Correct 79 ms 22948 KB Output is correct
47 Correct 80 ms 22844 KB Output is correct
48 Correct 79 ms 22828 KB Output is correct
49 Correct 78 ms 22832 KB Output is correct
50 Correct 79 ms 22848 KB Output is correct
51 Correct 79 ms 22940 KB Output is correct
52 Correct 90 ms 22852 KB Output is correct
53 Correct 78 ms 22840 KB Output is correct
54 Correct 83 ms 22952 KB Output is correct
55 Correct 81 ms 22952 KB Output is correct
56 Correct 3 ms 6484 KB Output is correct
57 Correct 55 ms 24524 KB Output is correct
58 Correct 60 ms 27748 KB Output is correct
59 Correct 57 ms 27712 KB Output is correct
60 Correct 3 ms 6460 KB Output is correct
61 Incorrect 3 ms 6484 KB Output isn't correct
62 Halted 0 ms 0 KB -