#include <bits/stdc++.h>
using namespace std;
const int N = 100005;
int n, k;
int t[N];
vector<int> gaps;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cin >> n >> k;
for (int i = 1; i <= n; i++) {
cin >> t[i];
if (i > 1) {
gaps.emplace_back(t[i] - t[i - 1] - 1);
}
}
int ans = t[n] - t[1] + 1;
sort(gaps.begin(), gaps.end());
--k;
while (k--) {
ans -= gaps.back();
gaps.pop_back();
}
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
328 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
328 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
368 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
328 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
368 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
15 ms |
2132 KB |
Output is correct |
17 |
Correct |
15 ms |
2132 KB |
Output is correct |
18 |
Correct |
15 ms |
2132 KB |
Output is correct |
19 |
Correct |
15 ms |
2132 KB |
Output is correct |
20 |
Correct |
15 ms |
2160 KB |
Output is correct |
21 |
Correct |
17 ms |
2132 KB |
Output is correct |
22 |
Correct |
15 ms |
2132 KB |
Output is correct |
23 |
Correct |
15 ms |
2132 KB |
Output is correct |
24 |
Correct |
15 ms |
2132 KB |
Output is correct |