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Submission #365831

# Submission time Handle Problem Language Result Execution time Memory
365831 2021-02-12T12:35:26 Z _zheksenov Stove (JOI18_stove) C++17
100 / 100
 56 ms 1772 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

signed main() {
    int n, k;
    cin >> n >> k;
    vector<int> a(n);
    for (int& x : a)
        cin >> x;
    for (int i = 0; i < n; i++) {
        if (i > 0) {
            a[i - 1] = a[i] - a[i - 1] - 1; 
        }
    }
    sort(a.begin(), a.end() - 1);
    ll ans = n;
    for (int i = 0; i < n - k; i++) {
        ans += a[i];
    }
    cout << ans << "\n";
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 3 ms 388 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 2 ms 364 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 3 ms 388 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 2 ms 364 KB Output is correct
16 Correct 56 ms 1644 KB Output is correct
17 Correct 52 ms 1644 KB Output is correct
18 Correct 50 ms 1644 KB Output is correct
19 Correct 50 ms 1644 KB Output is correct
20 Correct 50 ms 1772 KB Output is correct
21 Correct 50 ms 1644 KB Output is correct
22 Correct 51 ms 1644 KB Output is correct
23 Correct 50 ms 1644 KB Output is correct
24 Correct 51 ms 1772 KB Output is correct