제출 #1290422

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1290422		kerem	Stove (JOI18_stove)	C++20	100 / 100	14 ms	1488 KiB

stove

#include <bits/stdc++.h>
using namespace std;
//~ #define int long long
#define pb push_back
#define emb emplace_back
#define fr first
#define sc second
#define all(x) x.begin(),x.end()
#define sp << " " <<
#define N 100000
#define inf (int)1e9
typedef pair<int,int> ii;
typedef tuple<int,int,int> iii;

void solve(){
	int n,k;
	cin >> n >> k;
	int a[n];
	vector<int> v;
	for(int i=0;i<n;i++){
		cin >> a[i];
		if(i) v.pb(a[i]-a[i-1]-1);
	}
	int ans=a[n-1]-a[0]+1;
	sort(all(v),greater<int>());
	for(int i=0;i<k-1;i++)
		ans-=v[i];
	cout << ans << "\n";
}
int32_t main(){
	//~ freopen("hopscotch.in","r",stdin);
	//~ freopen("hopscotch.out","w",stdout);
	
	cout << fixed << setprecision(0);
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);cout.tie(NULL);
	
	int test=1;
	//~ cin >> test;
	while(test--) solve();
}

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