Submission #972239

#	Time	Username	Problem	Language	Result	Execution time	Memory
972239		vjudge1	Stove (JOI18_stove)	C++17	100 / 100	39 ms	2136 KiB

stove

#include <bits/stdc++.h> 
#include <sstream> 
using namespace std; 
#define accepted ios_base::sync_with_stdio(false);cin.tie(nullptr); 
#define Daulbekov signed     
#define Makan main 
#define int long long 
#define double long double 
#define pb push_back 
#define pf push_front 
#define F first 
#define S second 
const int N=1e5+7; 
const int MAX=9e18+7; 
const int INF=1e18;
Daulbekov Makan(){
	int n,k;
	cin>>n>>k;
	k--;
	int a[n];
	for(int i=0;i<n;i++)cin>>a[i];
	sort(a,a+n);
	int x[n-1],ans=0;
	for(int i=0;i<n-1;i++){
		x[i]=a[i+1]-a[i];
		ans+=x[i];
	}
	sort(x,x+n-1);
	for(int i=n-2;i>=0;i--){
//		cout<<x[i]<<" ";
		if(k>=1){
			ans-=x[i];
			ans+=1;
			k--;
		}
		else{
			break;
		}
	}
	cout<<ans+1;
} 
// 1 2 5 6 8 11 13 16 20
//  2 4 2 3 4  3  4  5
//  2 1 2 3 1  1  1  1

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