Submission #315383

#	Time	Username	Problem	Language	Result	Execution time	Memory
315383		jjj	Stove (JOI18_stove)	C++14	100 / 100	93 ms	1688 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int a[100010];

int main()
{
	int n, k;
	
	cin >> n >> k;
	
	int t0, t1;
	
	cin >> t0;
	
	for(int i = 0; i < n - 1; i++)
	{
		cin >> t1;
		
		a[i] = t1 - t0 - 1;
		
		t0 = t1;
	}
	
	sort(a, a + n);
	
	int s = n;
	
	for(int i = 0; i < (n - k + 1); i++) s += a[i];
	
	cout << s;
	
	return 0;
}

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