Submission #754623

#	Time	Username	Problem	Language	Result	Execution time	Memory
754623		otarius	Stove (JOI18_stove)	C++17	100 / 100	54 ms	1316 KiB

stove

#include <bits/stdc++.h>
using namespace std;

#define ff first
#define sc second
#define pb push_back
#define ll long long
#define pii pair<int, int>
const ll mod = 1e9 + 7;

void solve() {
    int n, k;
    cin >> n >> k;
    int arr[n + 1];
    for (int i = 1; i <= n; i++)
        cin >> arr[i];
    vector<int> vals;
    sort(arr + 1, arr + n + 1);
    for (int i = 2; i <= n; i++)
        vals.pb(arr[i] - arr[i - 1]);
    int ans = 0;
    sort(vals.begin(), vals.end());
    for (int i = 0; i < n - k; i++)
        ans += vals[i];
    cout << ans + k;
}
int main() {
    int t = 1;
    // cin >> t;
    while (t--) {
        solve();
        cout << '\n';
    }
}

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50