Submission #531240

#	Time	Username	Problem	Language	Result	Execution time	Memory
531240		Halym2007	Stove (JOI18_stove)	C++11	100 / 100	19 ms	2280 KiB

stove

#include <bits/stdc++.h>
#define ff first
#define ss second
#define cont continue;
#define sz size()
#define pb push_back
using namespace std;
typedef long long ll;
const int N = 100005;

void solve();
int n, k, a[N], jogap;
vector <int> v;
int main() {
	ios::sync_with_stdio(false);
 	cin.tie(0);
    // freopen("input.txt", "r", stdin);
    // freopen("output.txt", "w", stdout);
 	cin >> n >> k;
 	for (int i = 1; i <= n; ++i) {
 		cin >> a[i];
 	}
 	for (int i = 1; i < n; ++i) {
 		v.pb (a[i + 1] - a[i] - 1);
 	}
 	sort (v.begin(), v.end());
 	for (int i = 0; i < n-k; ++i) {
 		jogap += v[i];
 	}
 	cout << n + jogap << "\n";
 	return 0;
}

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