#include<iostream>
#include<vector>
#include<algorithm>
#include<set>
#include<map>
#include<utility>
#define int long long
#define INF 1000000000000000000
using namespace std;
signed main() {
int n, k;
cin >> n >> k;
vector<int>v(n);
for (auto &i : v) cin >> i;
vector<int>d(n-1);
for (int i = 0 ; i < n-1 ; i++) {
d[i] = v[i+1] - v[i];
}
sort(d.begin(), d.end());
int ans = n;
for (int i = 0 ; i < n-k ; i++) {
ans += d[i]-1;
}
cout << ans << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
432 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
436 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
432 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
436 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
352 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
356 KB |
Output is correct |
13 |
Correct |
1 ms |
352 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
2 ms |
356 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
432 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
436 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
352 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
356 KB |
Output is correct |
13 |
Correct |
1 ms |
352 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
2 ms |
356 KB |
Output is correct |
16 |
Correct |
34 ms |
2900 KB |
Output is correct |
17 |
Correct |
34 ms |
2908 KB |
Output is correct |
18 |
Correct |
34 ms |
2752 KB |
Output is correct |
19 |
Correct |
34 ms |
2940 KB |
Output is correct |
20 |
Correct |
34 ms |
2900 KB |
Output is correct |
21 |
Correct |
34 ms |
2904 KB |
Output is correct |
22 |
Correct |
33 ms |
2740 KB |
Output is correct |
23 |
Correct |
34 ms |
2872 KB |
Output is correct |
24 |
Correct |
34 ms |
2896 KB |
Output is correct |