#include <iostream>
#include <bits/stdc++.h>
using namespace std;
long long n, k ;
long long v [ 200005 ];
int main()
{
cin >> n >> k ;
k -- ;
long long sum = 0 ;
priority_queue<int> pq;
for( int i = 1; i <= n ; i ++ )
{
cin >> v[ i ];
if ( i != 1 )
{
sum += ( v[ i ] - v[ i - 1 ] ) ;
pq.push(v [ i ] - v[ i - 1 ] - 1 ) ;
}
//cout << sum<< '\n';
}
sum ++ ;
for ( int i = 1; i <= min(k,n) ; i ++ )
{
sum -= pq.top();
pq.pop();
}
cout << sum << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 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 |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 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 |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
528 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
2 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 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 |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
528 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
2 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
29 ms |
2696 KB |
Output is correct |
17 |
Correct |
29 ms |
2508 KB |
Output is correct |
18 |
Correct |
29 ms |
2516 KB |
Output is correct |
19 |
Correct |
30 ms |
2504 KB |
Output is correct |
20 |
Correct |
34 ms |
2512 KB |
Output is correct |
21 |
Correct |
37 ms |
2596 KB |
Output is correct |
22 |
Correct |
38 ms |
2516 KB |
Output is correct |
23 |
Correct |
37 ms |
2516 KB |
Output is correct |
24 |
Correct |
42 ms |
2760 KB |
Output is correct |