Submission #314845

# Submission time Handle Problem Language Result Execution time Memory
314845 2020-10-21T13:26:07 Z blue Job Scheduling (IOI19_job) C++17
5 / 100
147 ms 22264 KB
#include "job.h"
#include <vector>
#include <algorithm>
#include <set>
using namespace std;

struct job
{
    long long u;
    long long d;
    vector<int> children;
};

bool operator < (job A, job B)
{
    return A.u*B.d > B.u*A.d;
}

long long scheduling_cost(vector<int> p, vector<int> u, vector<int> d)
{
    long long res = 0;
    int n = p.size();

    job J[n];
    vector<int> v;
    for(int i = 0; i < n; i++)
    {
        J[i] = job{u[i], d[i], v};
        if(i > 0) J[p[i]].children.push_back(i);
    }

    long long t = 0;

    set<job> S;
    S.insert(J[0]);

    job j;

    while(!S.empty())
    {
        j = *S.begin();
        S.erase(S.begin());
        for(int k: j.children) S.insert(J[k]);
        t += j.d;
        res += t * j.u;
    }

	return res;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 46 ms 5752 KB Output is correct
6 Correct 67 ms 10744 KB Output is correct
7 Correct 95 ms 15352 KB Output is correct
8 Correct 126 ms 20088 KB Output is correct
9 Correct 126 ms 20088 KB Output is correct
10 Correct 132 ms 20088 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 128 ms 20088 KB Output is correct
13 Correct 135 ms 20088 KB Output is correct
14 Correct 131 ms 20236 KB Output is correct
15 Correct 129 ms 20344 KB Output is correct
16 Correct 128 ms 20216 KB Output is correct
17 Correct 128 ms 20216 KB Output is correct
18 Correct 134 ms 20228 KB Output is correct
19 Correct 132 ms 20220 KB Output is correct
20 Correct 133 ms 20216 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 356 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Incorrect 9 ms 1920 KB Output isn't correct
6 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Incorrect 147 ms 22264 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Incorrect 0 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 46 ms 5752 KB Output is correct
6 Correct 67 ms 10744 KB Output is correct
7 Correct 95 ms 15352 KB Output is correct
8 Correct 126 ms 20088 KB Output is correct
9 Correct 126 ms 20088 KB Output is correct
10 Correct 132 ms 20088 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 128 ms 20088 KB Output is correct
13 Correct 135 ms 20088 KB Output is correct
14 Correct 131 ms 20236 KB Output is correct
15 Correct 129 ms 20344 KB Output is correct
16 Correct 128 ms 20216 KB Output is correct
17 Correct 128 ms 20216 KB Output is correct
18 Correct 134 ms 20228 KB Output is correct
19 Correct 132 ms 20220 KB Output is correct
20 Correct 133 ms 20216 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 0 ms 256 KB Output is correct
23 Incorrect 1 ms 384 KB Output isn't correct
24 Halted 0 ms 0 KB -