oj.uz

Submission #936310

# Submission time Handle Problem Language Result Execution time Memory
936310 2024-03-01T14:48:15 Z qwe1rt1yuiop1 Let's Win the Election (JOI22_ho_t3) C++14
56 / 100
 2500 ms 112520 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;
using pii = pair<int, int>;

void solve()
{
    int n, kk;
    cin >> n >> kk;
    vector<pii> v(n);
    for (auto &[b, a] : v)
    {
        cin >> a >> b;
        if (b == -1)
            b = INT_MAX;
    }
    cout << fixed << setprecision(5);
    sort(v.begin(), v.end());
    // for (auto &[b, a] : v)
    //     if (b == INT_MAX)
    //         b = -1;

    vector<int> a(n), b(n);
    for (int i = 0; i < n; ++i)
        a[i] = v[i].second, b[i] = v[i].first;

    double ans = 1e15;
    for (int goal = 1; goal <= kk + 1; ++goal)
    {
        vector<vector<vector<double>>> dp(n + 1, vector<vector<double>>(kk + 1, vector<double>(goal + 1, 1e15)));
        dp[0][0][1] = 0;
        for (int i = 0; i < n; ++i)
        {
            dp[i + 1] = dp[i];
            for (int j = 0; j < kk; ++j)
            {
                for (int k = 1; k <= goal; ++k)
                {
                    dp[i + 1][j + 1][k] = min(dp[i + 1][j + 1][k], dp[i][j][k] + 1.0 * a[i] / goal);
                    if (k != goal)
                        dp[i + 1][j + 1][k + 1] = min(dp[i + 1][j + 1][k + 1], dp[i][j][k] + 1.0 * b[i] / k);
                }
            }
        }
        ans = min(ans, dp[n][kk][goal]);
    }
    cout << ans << '\n';
}

signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);

    solve();

    return 0;
}

Compilation message

Main.cpp: In function 'void solve()':
Main.cpp:11:16: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   11 |     for (auto &[b, a] : v)
      |                ^

Subtask #1
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 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 194 ms 11856 KB Output is correct
6 Execution timed out 2555 ms 57816 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #2
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 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 194 ms 11856 KB Output is correct
6 Execution timed out 2555 ms 57816 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #3
11.0 / 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 1 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 460 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct

Subtask #4
12.0 / 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 1 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 460 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 600 KB Output is correct

Subtask #5
33.0 / 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 1 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 460 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 600 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 2 ms 604 KB Output is correct
43 Correct 8 ms 1240 KB Output is correct
44 Correct 8 ms 1260 KB Output is correct
45 Correct 36 ms 2780 KB Output is correct
46 Correct 36 ms 2816 KB Output is correct
47 Correct 73 ms 4180 KB Output is correct
48 Correct 73 ms 4276 KB Output is correct
49 Correct 130 ms 6060 KB Output is correct
50 Correct 129 ms 6184 KB Output is correct
51 Correct 252 ms 9140 KB Output is correct
52 Correct 287 ms 9196 KB Output is correct
53 Correct 73 ms 4272 KB Output is correct
54 Correct 92 ms 4292 KB Output is correct
55 Correct 74 ms 4268 KB Output is correct
56 Correct 79 ms 4172 KB Output is correct
57 Correct 72 ms 4340 KB Output is correct
58 Correct 76 ms 4140 KB Output is correct
59 Correct 73 ms 4300 KB Output is correct
60 Correct 78 ms 4168 KB Output is correct

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2523 ms 112520 KB Time limit exceeded
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 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 194 ms 11856 KB Output is correct
6 Execution timed out 2555 ms 57816 KB Time limit exceeded
7 Halted 0 ms 0 KB -