oj.uz

Submission #702237

# Submission time Handle Problem Language Result Execution time Memory
702237 2023-02-23T10:59:50 Z qwe1rt1yuiop1 Stove (JOI18_stove) C++14
100 / 100
 30 ms 4408 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;
typedef pair<int, int> pii;

inline void solve()
{
    int n, k;
    cin >> n >> k;
    vector<int> v(n);
    for (int &i : v)
        cin >> i;
    vector<pii> tmp(n - 1);
    for (int i = 1; i < n; ++i)
        tmp[i - 1] = {v[i] - v[i - 1], i};
    sort(tmp.begin(), tmp.end());
    vector<int> flag(n, 0);
    for (int i = 0; i < n - k; ++i)
        flag[tmp[i].second] = 1;
    int ans = 0;
    for (int i = 0; i < n; ++i)
        if (!flag[i])
            ++ans;
        else
            ans += v[i] - v[i - 1];
    cout << ans << '\n';
}

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

    int tc = 1;
    // cin >> tc;
    while (tc--)
        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 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 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 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 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 2 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 376 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 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 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 2 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 376 KB Output is correct
16 Correct 30 ms 4288 KB Output is correct
17 Correct 22 ms 4408 KB Output is correct
18 Correct 22 ms 4364 KB Output is correct
19 Correct 23 ms 4300 KB Output is correct
20 Correct 21 ms 4296 KB Output is correct
21 Correct 22 ms 4408 KB Output is correct
22 Correct 21 ms 4312 KB Output is correct
23 Correct 20 ms 4292 KB Output is correct
24 Correct 22 ms 4404 KB Output is correct