Submission #1162852

#	Time	Username	Problem	Language	Result	Execution time	Memory
1162852		tegshee	Stove (JOI18_stove)	C++20	0 / 100	0 ms	320 KiB

stove

#include<bits/stdc++.h>
#define ll long long
#define ss second
#define ff first
#define mod 1000000007
#define endl '\n'
using namespace std;
ll n,m,a[100005],b[100005],c,d,e;
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>m;
	for (int i=1; i<=n; i++)
	{cin>>a[i];
	if (i!=1) b[i]=abs(a[i]-a[i-1]);
	}
	if (n==m){cout<<n; exit(0);}
	else {sort(b+2,b+1+n);
		for (int i=2; i<=n-m+1; i++)
		{c+=b[i]+1;
		}
		c+=n-m;
		cout<<c;
	}
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50