Submission #1351830

#	Time	Username	Problem	Language	Result	Execution time	Memory
1351830		kismis	Stove (JOI18_stove)	C++20	100 / 100	24 ms	1960 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define vt vector 
#define pb push_back
#define pob pop_back
#define endl '\n'
#define fi first
#define se second

signed main() {
    int n , k;
    cin >> n >> k;
    vt<int>a(n);
    for(int& i : a)
    cin >> i;
int ans = n;
vt<int> b(n-1);
for(int i=0 ; i<n-1 ; i++)
b[i] = (a[i+1]-a[i])-1;
sort(b.begin() , b.end());
for(int i=0 ; i<n-k ; i++)
ans += b[i];
cout << ans << endl;
}

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