Submission #1219791

#	Time	Username	Problem	Language	Result	Execution time	Memory
1219791		mukhamediyar	Stove (JOI18_stove)	C++20	100 / 100	28 ms	1968 KiB

stove

#include <bits/stdc++.h>
using namespace std;
const int inf = 1e9;

#define int long long
#define pb push_back


signed main() {
    int n,k;
    cin >>n >> k;
    k --;
    vector<int>a(n + 1);
    for(int i = 1; i <= n; i ++){
        cin >> a[i];
    }
   int ans = a[n] -  a[1] + 1;
   vector<int>b(n);
   for(int i = 1; i < n; i ++){
       b[i] = a[i + 1] - a[i] - 1;
   }
   sort(b.begin() + 1,b.end());
   reverse(b.begin() + 1,b.end());
   for(int i = 1; i <= k; i ++){
       ans -= b[i];
   }
   cout << ans << "\n";
    
    
    
    
}

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