Submission #534881

#	Time	Username	Problem	Language	Result	Execution time	Memory
534881		amunduzbaev	Stove (JOI18_stove)	C++17	100 / 100	18 ms	2364 KiB

stove

#include "bits/stdc++.h"
using namespace std;

#define ar array

const int N = 1e5 + 5;

signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n, k; cin>>n>>k;
	k--;
	vector<int> a(n), t;
	for(int i=0;i<n;i++) cin>>a[i];
	int res = a[n - 1] - a[0] + 1;
	for(int i=0;i + 1<n;i++){
		t.push_back(a[i+1] - a[i] - 1);
	}
	
	sort(t.rbegin(), t.rend());
	for(int i=0;i<k;i++) res -= t[i];
	cout<<res<<"\n";
}

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