#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int N = 1e5+9;
ll arr[N];
int main(){
cin.tie(0)->sync_with_stdio(false);
int n,k;
cin>>n>>k;
for(int i=1;i<=n;i++){
cin>>arr[i];
}
priority_queue<ll> pq;
sort(arr+1,arr+n+1);
ll all = arr[n]+1 - arr[1];
for(int i=2;i<=n;i++) {
//cout<<arr[i]-arr[i-1]-1<<" ";
pq.push(arr[i]-arr[i-1]-1);
}
for(int i=1;i<=k-1;i++){
all-=pq.top();
pq.pop();
}
cout<<all;
return 0;
}
/*
3 1
1
3
6
*/
# |
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 |
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 |
348 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 |
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 |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
348 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 |
344 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 |
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 |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
348 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 |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
11 ms |
3292 KB |
Output is correct |
17 |
Correct |
11 ms |
3292 KB |
Output is correct |
18 |
Correct |
11 ms |
3292 KB |
Output is correct |
19 |
Correct |
14 ms |
3292 KB |
Output is correct |
20 |
Correct |
18 ms |
3292 KB |
Output is correct |
21 |
Correct |
20 ms |
3292 KB |
Output is correct |
22 |
Correct |
20 ms |
3292 KB |
Output is correct |
23 |
Correct |
20 ms |
3292 KB |
Output is correct |
24 |
Correct |
29 ms |
3284 KB |
Output is correct |