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Submission #574654

# Submission time Handle Problem Language Result Execution time Memory
574654 2022-06-09T07:04:01 Z four_specks Stove (JOI18_stove) C++17
100 / 100
 19 ms 2900 KB 
#include <bits/stdc++.h>

using namespace std;

inline namespace
{
} // namespace

void solve()
{
    int n, k;
    cin >> n >> k;

    vector<long> t(n);
    for (long &x : t)
        cin >> x;

    vector<long> diff(n - 1);
    for (long i = 0; i < n - 1; i++)
        diff[i] = t[i + 1] - t[i] - 1;
    sort(diff.begin(), diff.end(), greater<>());

    long res = t[n - 1] + 1 - t[0];
    for (int i = 0; i < k - 1; i++)
        res -= diff[i];

    cout << res << '\n';
}

int main()
{
    ios_base::sync_with_stdio(false), cin.tie(NULL);

    solve();

    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 17 ms 2760 KB Output is correct
17 Correct 17 ms 2844 KB Output is correct
18 Correct 18 ms 2900 KB Output is correct
19 Correct 17 ms 2756 KB Output is correct
20 Correct 19 ms 2764 KB Output is correct
21 Correct 19 ms 2772 KB Output is correct
22 Correct 18 ms 2760 KB Output is correct
23 Correct 17 ms 2772 KB Output is correct
24 Correct 17 ms 2772 KB Output is correct