#include <bits/stdc++.h>
#define N 100005
#define f first
#define s second
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
int n, k, v[N];
vector<ll> vet;
int main()
{
cin>>n>>k;
for(int i = 1; i <= n; i++) cin>>v[i];
sort(v + 1, v + n + 1);
for(int i = 1; i < n; i++) vet.push_back(v[i] - v[i + 1]);
sort(vet.begin(), vet.end());
ll ans = v[n] - v[1] + k;
for(int i = 0; i < k - 1; i++) ans += vet[i];
cout<<ans<<"\n";
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
248 KB |
Output is correct |
| 2 |
Correct |
1 ms |
352 KB |
Output is correct |
| 3 |
Correct |
2 ms |
484 KB |
Output is correct |
| 4 |
Correct |
1 ms |
484 KB |
Output is correct |
| 5 |
Correct |
1 ms |
496 KB |
Output is correct |
| 6 |
Correct |
2 ms |
496 KB |
Output is correct |
| 7 |
Correct |
2 ms |
512 KB |
Output is correct |
| 8 |
Correct |
2 ms |
556 KB |
Output is correct |
| 9 |
Correct |
2 ms |
652 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
248 KB |
Output is correct |
| 2 |
Correct |
1 ms |
352 KB |
Output is correct |
| 3 |
Correct |
2 ms |
484 KB |
Output is correct |
| 4 |
Correct |
1 ms |
484 KB |
Output is correct |
| 5 |
Correct |
1 ms |
496 KB |
Output is correct |
| 6 |
Correct |
2 ms |
496 KB |
Output is correct |
| 7 |
Correct |
2 ms |
512 KB |
Output is correct |
| 8 |
Correct |
2 ms |
556 KB |
Output is correct |
| 9 |
Correct |
2 ms |
652 KB |
Output is correct |
| 10 |
Correct |
4 ms |
652 KB |
Output is correct |
| 11 |
Correct |
5 ms |
652 KB |
Output is correct |
| 12 |
Correct |
3 ms |
652 KB |
Output is correct |
| 13 |
Correct |
3 ms |
652 KB |
Output is correct |
| 14 |
Correct |
3 ms |
652 KB |
Output is correct |
| 15 |
Correct |
3 ms |
652 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
248 KB |
Output is correct |
| 2 |
Correct |
1 ms |
352 KB |
Output is correct |
| 3 |
Correct |
2 ms |
484 KB |
Output is correct |
| 4 |
Correct |
1 ms |
484 KB |
Output is correct |
| 5 |
Correct |
1 ms |
496 KB |
Output is correct |
| 6 |
Correct |
2 ms |
496 KB |
Output is correct |
| 7 |
Correct |
2 ms |
512 KB |
Output is correct |
| 8 |
Correct |
2 ms |
556 KB |
Output is correct |
| 9 |
Correct |
2 ms |
652 KB |
Output is correct |
| 10 |
Correct |
4 ms |
652 KB |
Output is correct |
| 11 |
Correct |
5 ms |
652 KB |
Output is correct |
| 12 |
Correct |
3 ms |
652 KB |
Output is correct |
| 13 |
Correct |
3 ms |
652 KB |
Output is correct |
| 14 |
Correct |
3 ms |
652 KB |
Output is correct |
| 15 |
Correct |
3 ms |
652 KB |
Output is correct |
| 16 |
Correct |
59 ms |
2148 KB |
Output is correct |
| 17 |
Correct |
69 ms |
2148 KB |
Output is correct |
| 18 |
Correct |
70 ms |
2148 KB |
Output is correct |
| 19 |
Correct |
64 ms |
2148 KB |
Output is correct |
| 20 |
Correct |
62 ms |
2240 KB |
Output is correct |
| 21 |
Correct |
62 ms |
2240 KB |
Output is correct |
| 22 |
Correct |
60 ms |
2240 KB |
Output is correct |
| 23 |
Correct |
62 ms |
2240 KB |
Output is correct |
| 24 |
Correct |
60 ms |
2240 KB |
Output is correct |
