#include <bits/stdc++.h>
#define DIM 100010
#define INF 2000000000000000000LL
using namespace std;
int v[DIM],dif[DIM];
int n,k,i;
int main (){
//ifstream cin ("date.in");
//ofstream cout ("date.out");
cin>>n>>k;
for (i=1;i<=n;i++)
cin>>v[i];
if (k == 1){
cout<<v[n]+1-v[1];
return 0;
}
for (i=1;i<n;i++)
dif[i] = v[i] - v[i+1];
sort (dif+1,dif+n);
long long sol = INF, sum = 0;
for (i=1;i<k;i++){
sum += dif[i];
sol = min (sol,sum + v[n] - v[1] + i + 1);
}
cout<<sol;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
4 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
256 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
4 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
256 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
7 ms |
384 KB |
Output is correct |
11 |
Correct |
7 ms |
384 KB |
Output is correct |
12 |
Correct |
6 ms |
384 KB |
Output is correct |
13 |
Correct |
7 ms |
384 KB |
Output is correct |
14 |
Correct |
7 ms |
384 KB |
Output is correct |
15 |
Correct |
6 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
4 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
256 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
7 ms |
384 KB |
Output is correct |
11 |
Correct |
7 ms |
384 KB |
Output is correct |
12 |
Correct |
6 ms |
384 KB |
Output is correct |
13 |
Correct |
7 ms |
384 KB |
Output is correct |
14 |
Correct |
7 ms |
384 KB |
Output is correct |
15 |
Correct |
6 ms |
384 KB |
Output is correct |
16 |
Correct |
76 ms |
2040 KB |
Output is correct |
17 |
Correct |
72 ms |
2040 KB |
Output is correct |
18 |
Correct |
71 ms |
2052 KB |
Output is correct |
19 |
Correct |
76 ms |
2168 KB |
Output is correct |
20 |
Correct |
73 ms |
2040 KB |
Output is correct |
21 |
Correct |
76 ms |
2040 KB |
Output is correct |
22 |
Correct |
73 ms |
2168 KB |
Output is correct |
23 |
Correct |
71 ms |
2040 KB |
Output is correct |
24 |
Correct |
72 ms |
2040 KB |
Output is correct |