Submission #1100602

#	Time	Username	Problem	Language	Result	Execution time	Memory
1100602		uwubigbadboy	Stove (JOI18_stove)	C++17	100 / 100	17 ms	7772 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define N 500005
#define sz size()
#define ll long long int
#define ff first
#define ss second
#define pb push_back
#define pt pop_back
ll  a[N], b[N], c, l, k, tr, b1, c1, d, t, n, h;
string s, g;
int main() {
	ios::sync_with_stdio(false);cin.tie(0);
	cin >> n >> k;
	c = n - k;
	h += n;
	for(int i = 1; i <= n; i++){
		cin >> a[i];
	}
	sort(a + 1, a + n + 1);
	for(int i = 1; i <= n; i++){
		if(i + 1 <= n){
			l ++;
			b[l] = a[i + 1] - a[i] - 1;
		}
	}
	sort(b + 1, b + l + 1);
	// for(int i = 1; i <= l; i++)cout << b[i] << ' ';
		// return 0;
	for(int i = 1; i <= c; i++){
		h += b[i];
	}
	cout << h<< '\n';
}

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