#include <bits/stdc++.h>
using namespace std;
using ll = long long;
void solve() {
int n, k;
cin >> n >> k;
vector<int> a(n);
for (int &x : a) cin >> x;
int ans = a[n - 1] - a[0] + 1;
vector<int> b(n - 1);
for (int i = 0; i < n - 1; i++) {
b[i] = a[i + 1] - a[i] - 1;
}
sort(b.begin(), b.end(), greater<>());
for (int i = 0; i < k - 1; i++) {
ans -= b[i];
}
cout << ans;
}
int main() {
cin.tie(0)->sync_with_stdio(0);
int tt = 1;
// cin >> tt;
while (tt--) {
solve();
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
456 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 |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
456 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
456 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 |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
456 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
600 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 |
472 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
456 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 |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
456 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
600 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 |
472 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
14 ms |
2128 KB |
Output is correct |
17 |
Correct |
15 ms |
2140 KB |
Output is correct |
18 |
Correct |
14 ms |
2136 KB |
Output is correct |
19 |
Correct |
14 ms |
2140 KB |
Output is correct |
20 |
Correct |
15 ms |
2140 KB |
Output is correct |
21 |
Correct |
20 ms |
2000 KB |
Output is correct |
22 |
Correct |
16 ms |
2000 KB |
Output is correct |
23 |
Correct |
16 ms |
1992 KB |
Output is correct |
24 |
Correct |
18 ms |
2004 KB |
Output is correct |