Submission #1017856

#	Time	Username	Problem	Language	Result	Execution time	Memory
1017856		vjudge1	Stove (JOI18_stove)	C++17	100 / 100	13 ms	1504 KiB

stove

#include "bits/stdc++.h"
using namespace std;
 
#define ar array
typedef long long ll;

//~ #define int ll

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

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