#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main() {
//your code goes here
int n, k;
cin >> n >> k;
vector <int> arr = {};
for(int i = 0; i < n; i++) {
int num;
cin >> num;
arr.push_back(num);
}
int sum = 1;
k--;
vector <int> arr2 = {};
for(int i = 0; i < n-1; i++) {
arr2.push_back(arr[i+1]-arr[i]);
sum += arr[i+1]-arr[i];
}
sort(arr2.begin(), arr2.end(), greater<int>());
for(int i = 0; i < k; i++) {
sum -= arr2[i];
}
sum += k;
cout << sum << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
440 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
440 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
444 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
440 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
444 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
35 ms |
3460 KB |
Output is correct |
17 |
Correct |
35 ms |
3600 KB |
Output is correct |
18 |
Correct |
35 ms |
3536 KB |
Output is correct |
19 |
Correct |
34 ms |
3536 KB |
Output is correct |
20 |
Correct |
35 ms |
3572 KB |
Output is correct |
21 |
Correct |
43 ms |
3524 KB |
Output is correct |
22 |
Correct |
35 ms |
3524 KB |
Output is correct |
23 |
Correct |
34 ms |
3524 KB |
Output is correct |
24 |
Correct |
35 ms |
3524 KB |
Output is correct |