Submission #314841

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
314841	2020-10-21T13:15:57 Z	blue	Job Scheduling (IOI19_job)	C++17	19 / 100	97 ms	10616 KB

#include "job.h"
#include <vector>
#include <algorithm>
using namespace std;

struct job
{
    long long u;
    long long d;
};

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-1];
    for(int i = 1; i < n; i++) J[i-1] = job{u[i], d[i]};
    sort(J, J+n-1);

    long long t = d[0];
    res += t * u[0];
    for(int i = 0; i < n-1; i++)
    {
        t += J[i].d;
        res += t * J[i].u;
    }
	return res;
}

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	256 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	85 ms	9208 KB	Output is correct
5	Correct	87 ms	8988 KB	Output is correct
6	Correct	85 ms	9080 KB	Output is correct
7	Correct	87 ms	8992 KB	Output is correct
8	Correct	85 ms	9208 KB	Output is correct
9	Correct	84 ms	8976 KB	Output is correct
10	Correct	85 ms	9080 KB	Output is correct
11	Correct	85 ms	9080 KB	Output is correct

Subtask #3
12.0 / 12.0

#	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	5 ms	768 KB	Output is correct
6	Correct	97 ms	10488 KB	Output is correct
7	Correct	94 ms	10488 KB	Output is correct
8	Correct	94 ms	10488 KB	Output is correct
9	Correct	95 ms	10488 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	4 ms	768 KB	Output is correct
13	Correct	5 ms	768 KB	Output is correct
14	Correct	96 ms	10488 KB	Output is correct
15	Correct	96 ms	10616 KB	Output is correct
16	Correct	96 ms	10488 KB	Output is correct
17	Correct	93 ms	10488 KB	Output is correct
18	Correct	94 ms	10488 KB	Output is correct
19	Correct	94 ms	10616 KB	Output is correct
20	Correct	95 ms	10488 KB	Output is correct
21	Correct	94 ms	10488 KB	Output is correct
22	Correct	94 ms	10492 KB	Output is correct
23	Correct	93 ms	10488 KB	Output is correct
24	Correct	97 ms	10488 KB	Output is correct