oj.uz

Submission #923511

# Submission time Handle Problem Language Result Execution time Memory
923511 2024-02-07T11:05:43 Z heeheeheehaaw Let's Win the Election (JOI22_ho_t3) C++17
10 / 100
 16 ms 448 KB 
#include <bits/stdc++.h>
#define int long long

using namespace std;

struct oras
{
    int a, b;
};

oras v[100005];
typedef long double ld;

bool cmp2(oras a, oras b)
{
    return a.a < b.a;
}

bool cmp1(oras a, oras b)
{
    return a.b < b.b;
}

signed main()
{
    int n, k;
    cin>>n>>k;
    ld minn = 0.0;
    int nrr = n;
    for(int i = 1; i <= n; i++)
    {
        cin>>v[i].a>>v[i].b, minn += (ld)v[i].a;
        if(v[i].b == -1) v[i].b = 1e12, nrr--;
    }

    for(int cnt = 0; cnt <= min(nrr, k); cnt++)
    {
        sort(v + 1, v + n + 1, cmp1);
        ld rez = 0.0;
        for(int i = 1; i <= cnt; i++)
            rez += (ld)((ld)v[i].b / (ld)i);
        sort(v + min(n + 1, cnt + 1), v + n + 1, cmp2);
        for(int i = cnt + 1; i <= k; i++)
            rez += (ld)((ld)v[i].a / (ld)(cnt + 1));
        minn = min(minn, rez);
    }

    cout<<fixed<<setprecision(15);
    cout<<minn;
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 3 ms 448 KB Output is correct
13 Correct 4 ms 348 KB Output is correct
14 Correct 3 ms 348 KB Output is correct
15 Correct 7 ms 348 KB Output is correct
16 Correct 7 ms 348 KB Output is correct
17 Correct 3 ms 348 KB Output is correct
18 Correct 9 ms 348 KB Output is correct
19 Correct 9 ms 348 KB Output is correct
20 Correct 3 ms 348 KB Output is correct

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Incorrect 0 ms 344 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Incorrect 0 ms 344 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Incorrect 0 ms 344 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 3 ms 448 KB Output is correct
13 Correct 4 ms 348 KB Output is correct
14 Correct 3 ms 348 KB Output is correct
15 Correct 7 ms 348 KB Output is correct
16 Correct 7 ms 348 KB Output is correct
17 Correct 3 ms 348 KB Output is correct
18 Correct 9 ms 348 KB Output is correct
19 Correct 9 ms 348 KB Output is correct
20 Correct 3 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Incorrect 0 ms 344 KB Output isn't correct
30 Halted 0 ms 0 KB -