Submission #1191797

#	Time	Username	Problem	Language	Result	Execution time	Memory
1191797		ani_lipartia	Stove (JOI18_stove)	C++20	100 / 100	32 ms	1220 KiB

stove

#include <bits/stdc++.h>
using namespace std;
const long long N = 1e5 + 5;
int n, k, t[N];
long long s, ans;
vector <int> v;
bool f[N];
int main() {
    cin>>n>>k;
    for(int i = 1; i <= n; i++){
        cin>>t[i];
        if(i != 1) v.push_back(t[i] - t[i - 1] - 1);
    }
    sort(v.begin(), v.end());
    reverse(v.begin(), v.end());
    for(int i = 0; i < k - 1; i++) s += v[i];
    ans = t[n] - t[1] + 1 - s;
    cout<<ans<<endl;
}

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