/**
* Martin Leshko ([email protected])
*/
#include <bits/stdc++.h>
using namespace std;
#define forn(i, n) for (int i = 0; i < (int)n; i++)
#define sz(a) (int)a.size()
const int N = 300001;
int main() {
int n, k;
cin >> n >> k;
vector<int> a(n);
for (int i = 0; i < n; i++)
cin >> a[i];
vector<int> sums;
for (int i = 1; i < n; i++)
if (a[i] - a[i - 1] > 1)
sums.push_back(a[i] - a[i - 1] - 1);
sort(sums.rbegin(), sums.rend());
int ans = a[sz(a) - 1] - a[0] + 1;
for (int i = 0; i < min(sz(sums), k - 1); i++)
ans -= sums[i];
cout << ans << endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
252 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
256 KB |
Output is correct |
9 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
252 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
256 KB |
Output is correct |
9 |
Correct |
2 ms |
256 KB |
Output is correct |
10 |
Correct |
4 ms |
376 KB |
Output is correct |
11 |
Correct |
9 ms |
376 KB |
Output is correct |
12 |
Correct |
4 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
4 ms |
376 KB |
Output is correct |
15 |
Correct |
4 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
252 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
256 KB |
Output is correct |
9 |
Correct |
2 ms |
256 KB |
Output is correct |
10 |
Correct |
4 ms |
376 KB |
Output is correct |
11 |
Correct |
9 ms |
376 KB |
Output is correct |
12 |
Correct |
4 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
4 ms |
376 KB |
Output is correct |
15 |
Correct |
4 ms |
376 KB |
Output is correct |
16 |
Correct |
85 ms |
2340 KB |
Output is correct |
17 |
Correct |
85 ms |
2276 KB |
Output is correct |
18 |
Correct |
84 ms |
2276 KB |
Output is correct |
19 |
Correct |
84 ms |
2292 KB |
Output is correct |
20 |
Correct |
83 ms |
2292 KB |
Output is correct |
21 |
Correct |
83 ms |
2288 KB |
Output is correct |
22 |
Correct |
85 ms |
2392 KB |
Output is correct |
23 |
Correct |
84 ms |
2264 KB |
Output is correct |
24 |
Correct |
84 ms |
2292 KB |
Output is correct |