Submission #466066

#	Time	Username	Problem	Language	Result	Execution time	Memory
466066		fuad27	Stove (JOI18_stove)	C++17	100 / 100	58 ms	2796 KiB

stove

#include<bits/stdc++.h>
using namespace std;
#define int long long
int32_t main () {
	int n, k;
	cin >> n >> k;
	int t[n], d[n];
	for(int i = 0;i<n;i++) {
		cin >> t[i];
	}
	for(int i = 0;i<n-1;i++)d[i] = t[i+1] - t[i] - 1;
	int ans =t[n-1] - t[0] + 1;
	sort(d, d+n-1, greater<int>());
	for(int i = 1;i<k;i++)ans-=d[i-1];
	cout<<ans<<endl;
}

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