Submission #649990

#	Time	Username	Problem	Language	Result	Execution time	Memory
649990		Markomafko972	Stove (JOI18_stove)	C++14	100 / 100	18 ms	2164 KiB

stove

#include <bits/stdc++.h>
#define X first
#define Y second
#define pb push_back
#define pii pair<int, int>
typedef long long ll;
using namespace std;

const int MOD = 1e9 + 7;
const ll INF = 1e18;
const int OFF = (1 << 20);

int n, k;
int t[100005];
vector<int> v;

int main () {

	ios_base::sync_with_stdio(false);
	cin.tie(0);
	
	cin >> n >> k;
	for (int i = 0; i < n; i++) {
		cin >> t[i];
		if (i > 0) v.push_back(t[i]-t[i-1]);
	}
	sort(v.begin(), v.end());
	int kol = n;
	for (int i = 0; i < n-k; i++) {
		kol += v[i]-1;
	}
	cout << kol;

	return 0;
}

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