Submission #1158585

#	Time	Username	Problem	Language	Result	Execution time	Memory
1158585		blick	Stove (JOI18_stove)	C++20	100 / 100	12 ms	1480 KiB

stove

#include <bits/stdc++.h>
#define ll long long
using namespace std;
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, k;
    cin>>n>>k;
    vector<int> a(n+1);
    vector<int> diff;
    for(int i = 1; i <= n; i++) {
        cin>>a[i];
        if(i>1) {diff.push_back(a[i]-a[i-1]-1);}
    }
    int sum = 0;
    sort(diff.begin(), diff.end());
    for(int i = 0; i < n-k; i++) {
        sum+=diff[i];
    }
    cout<<sum+n<<'\n';
    
    return 0;
}

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