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Submission #894639

# Submission time Handle Problem Language Result Execution time Memory
894639 2023-12-28T14:56:24 Z IWKR Stove (JOI18_stove) C++17
100 / 100
 19 ms 3148 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

int arr[100000];

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n, k;
    cin >> n >> k;
    vector<int> v;
    for (int i = 0; i < n; i++) {
        cin >> arr[i];
        if (i != 0) {
            v.push_back(arr[i] - arr[i - 1]);
        }
    }
    sort(v.begin(), v.end());
    int ans = 0;
    int left = n - k;
    for (int i = 0; i < left; i++) {
        ans += v[i] - 1;
    }
    cout << n + ans;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 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

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 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 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 476 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 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 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 476 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 14 ms 3032 KB Output is correct
17 Correct 19 ms 3148 KB Output is correct
18 Correct 15 ms 3036 KB Output is correct
19 Correct 14 ms 3052 KB Output is correct
20 Correct 14 ms 3036 KB Output is correct
21 Correct 15 ms 3036 KB Output is correct
22 Correct 14 ms 3036 KB Output is correct
23 Correct 14 ms 3036 KB Output is correct
24 Correct 15 ms 3032 KB Output is correct