#include<bits/stdc++.h>
using namespace std;
#define int long long
priority_queue<int> pq;
int a[111111];
signed main()
{
int n,k;cin>>n>>k;
for(int i=1;i<=n;i++)
cin>>a[i];
for(int i=2;i<=n;i++)
pq.push(a[i]-a[i-1]-1);
int ans=a[n]-a[1]+1;
int cnt=0;
while(cnt<k-1){
ans-=pq.top();
//cout<<pq.top()<<'\n';
pq.pop();
cnt++;
}
cout<<ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 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 |
344 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 |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
484 KB |
Output is correct |
13 |
Correct |
1 ms |
484 KB |
Output is correct |
14 |
Correct |
1 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 |
344 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 |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
484 KB |
Output is correct |
13 |
Correct |
1 ms |
484 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
32 ms |
3324 KB |
Output is correct |
17 |
Correct |
27 ms |
3272 KB |
Output is correct |
18 |
Correct |
26 ms |
3284 KB |
Output is correct |
19 |
Correct |
26 ms |
3304 KB |
Output is correct |
20 |
Correct |
30 ms |
3276 KB |
Output is correct |
21 |
Correct |
32 ms |
3272 KB |
Output is correct |
22 |
Correct |
36 ms |
3272 KB |
Output is correct |
23 |
Correct |
34 ms |
3276 KB |
Output is correct |
24 |
Correct |
34 ms |
3272 KB |
Output is correct |