#include <cstdio>
#include <algorithm>
#include <vector>
using namespace std;
int seg[100005];
int lseg, rseg, a[100005];
int main(){
int l,n,d;
scanf("%d %d %d",&l,&n,&d);
for (int i=0; i<n; i++) {
scanf("%d",&a[i]);
if(i == 0) lseg = a[i] - 1;
if(i == n-1) rseg = l - a[i];
if(i) seg[i-1] = (a[i] - a[i-1] - 1);
}
sort(seg,seg+n-1);
reverse(seg,seg+n-1);
int ans1 = 0;
for (int i=0; i<n-1 && i<d/2; i++) {
ans1 += seg[i];
}
int ans2 = max(lseg,rseg);
for (int i=0; i<n-1 && i<(d-1)/2; i++) {
ans2 += seg[i];
}
int ans3 = lseg + rseg;
for (int i=0; i<n-1 && i<(d-2)/2; i++) {
ans3 += seg[i];
}
if(d == 1) printf("%d",max(ans1,ans2));
else printf("%d",max(ans1,max(ans2,ans3)));
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
1868 KB |
Output is correct |
2 |
Correct |
0 ms |
1868 KB |
Output is correct |
3 |
Correct |
0 ms |
1868 KB |
Output is correct |
4 |
Correct |
0 ms |
1868 KB |
Output is correct |
5 |
Correct |
0 ms |
1868 KB |
Output is correct |
6 |
Correct |
0 ms |
1868 KB |
Output is correct |
7 |
Correct |
0 ms |
1868 KB |
Output is correct |
8 |
Correct |
0 ms |
1868 KB |
Output is correct |
9 |
Correct |
0 ms |
1868 KB |
Output is correct |
10 |
Correct |
0 ms |
1868 KB |
Output is correct |
11 |
Correct |
0 ms |
1868 KB |
Output is correct |
12 |
Correct |
0 ms |
1868 KB |
Output is correct |
13 |
Correct |
0 ms |
1868 KB |
Output is correct |
14 |
Correct |
0 ms |
1868 KB |
Output is correct |
15 |
Correct |
0 ms |
1868 KB |
Output is correct |
16 |
Correct |
0 ms |
1868 KB |
Output is correct |
17 |
Correct |
0 ms |
1868 KB |
Output is correct |
18 |
Correct |
0 ms |
1868 KB |
Output is correct |
19 |
Correct |
0 ms |
1868 KB |
Output is correct |
20 |
Correct |
0 ms |
1868 KB |
Output is correct |
21 |
Correct |
0 ms |
1868 KB |
Output is correct |
22 |
Correct |
0 ms |
1868 KB |
Output is correct |
23 |
Correct |
0 ms |
1868 KB |
Output is correct |
24 |
Correct |
0 ms |
1868 KB |
Output is correct |
25 |
Correct |
0 ms |
1868 KB |
Output is correct |
26 |
Correct |
0 ms |
1868 KB |
Output is correct |
27 |
Correct |
0 ms |
1868 KB |
Output is correct |
28 |
Correct |
0 ms |
1868 KB |
Output is correct |
29 |
Correct |
0 ms |
1868 KB |
Output is correct |
30 |
Correct |
0 ms |
1868 KB |
Output is correct |
31 |
Correct |
0 ms |
1868 KB |
Output is correct |
32 |
Correct |
0 ms |
1868 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
1868 KB |
Output is correct |
2 |
Correct |
0 ms |
1868 KB |
Output is correct |
3 |
Correct |
0 ms |
1868 KB |
Output is correct |
4 |
Correct |
0 ms |
1868 KB |
Output is correct |
5 |
Correct |
0 ms |
1868 KB |
Output is correct |
6 |
Correct |
0 ms |
1868 KB |
Output is correct |
7 |
Correct |
0 ms |
1868 KB |
Output is correct |
8 |
Correct |
0 ms |
1868 KB |
Output is correct |
9 |
Correct |
0 ms |
1868 KB |
Output is correct |
10 |
Correct |
0 ms |
1868 KB |
Output is correct |
11 |
Correct |
0 ms |
1868 KB |
Output is correct |
12 |
Correct |
0 ms |
1868 KB |
Output is correct |
13 |
Correct |
0 ms |
1868 KB |
Output is correct |
14 |
Correct |
0 ms |
1868 KB |
Output is correct |
15 |
Correct |
0 ms |
1868 KB |
Output is correct |
16 |
Correct |
0 ms |
1868 KB |
Output is correct |
17 |
Correct |
0 ms |
1868 KB |
Output is correct |
18 |
Correct |
0 ms |
1868 KB |
Output is correct |
19 |
Correct |
0 ms |
1868 KB |
Output is correct |
20 |
Correct |
0 ms |
1868 KB |
Output is correct |
21 |
Correct |
0 ms |
1868 KB |
Output is correct |
22 |
Correct |
0 ms |
1868 KB |
Output is correct |
23 |
Correct |
0 ms |
1868 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
1868 KB |
Output is correct |
2 |
Correct |
0 ms |
1868 KB |
Output is correct |
3 |
Correct |
0 ms |
1868 KB |
Output is correct |
4 |
Correct |
0 ms |
1868 KB |
Output is correct |
5 |
Correct |
0 ms |
1868 KB |
Output is correct |
6 |
Correct |
0 ms |
1868 KB |
Output is correct |
7 |
Correct |
0 ms |
1868 KB |
Output is correct |
8 |
Correct |
0 ms |
1868 KB |
Output is correct |
9 |
Correct |
0 ms |
1868 KB |
Output is correct |
10 |
Correct |
0 ms |
1868 KB |
Output is correct |
11 |
Correct |
0 ms |
1868 KB |
Output is correct |
12 |
Correct |
0 ms |
1868 KB |
Output is correct |
13 |
Correct |
0 ms |
1868 KB |
Output is correct |
14 |
Correct |
0 ms |
1868 KB |
Output is correct |
15 |
Correct |
0 ms |
1868 KB |
Output is correct |
16 |
Correct |
0 ms |
1868 KB |
Output is correct |
17 |
Correct |
0 ms |
1868 KB |
Output is correct |
18 |
Correct |
0 ms |
1868 KB |
Output is correct |
19 |
Correct |
0 ms |
1868 KB |
Output is correct |
20 |
Correct |
0 ms |
1868 KB |
Output is correct |
21 |
Correct |
0 ms |
1868 KB |
Output is correct |
22 |
Correct |
0 ms |
1868 KB |
Output is correct |
23 |
Correct |
0 ms |
1868 KB |
Output is correct |
24 |
Correct |
0 ms |
1868 KB |
Output is correct |
25 |
Correct |
0 ms |
1868 KB |
Output is correct |
26 |
Correct |
0 ms |
1868 KB |
Output is correct |
27 |
Correct |
0 ms |
1868 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
20 ms |
1868 KB |
Output is correct |
2 |
Correct |
24 ms |
1868 KB |
Output is correct |
3 |
Correct |
28 ms |
1868 KB |
Output is correct |
4 |
Correct |
20 ms |
1868 KB |
Output is correct |
5 |
Correct |
32 ms |
1868 KB |
Output is correct |
6 |
Correct |
28 ms |
1868 KB |
Output is correct |
7 |
Correct |
28 ms |
1868 KB |
Output is correct |
8 |
Correct |
20 ms |
1868 KB |
Output is correct |
9 |
Correct |
16 ms |
1868 KB |
Output is correct |
10 |
Correct |
8 ms |
1868 KB |
Output is correct |
11 |
Correct |
20 ms |
1868 KB |
Output is correct |
12 |
Correct |
16 ms |
1868 KB |
Output is correct |
13 |
Correct |
24 ms |
1868 KB |
Output is correct |
14 |
Correct |
24 ms |
1868 KB |
Output is correct |
15 |
Correct |
20 ms |
1868 KB |
Output is correct |
16 |
Correct |
24 ms |
1868 KB |
Output is correct |
17 |
Correct |
28 ms |
1868 KB |
Output is correct |
18 |
Correct |
20 ms |
1868 KB |
Output is correct |
19 |
Correct |
24 ms |
1868 KB |
Output is correct |
20 |
Correct |
0 ms |
1868 KB |
Output is correct |
21 |
Correct |
0 ms |
1868 KB |
Output is correct |
22 |
Correct |
24 ms |
1868 KB |
Output is correct |
23 |
Correct |
20 ms |
1868 KB |
Output is correct |
24 |
Correct |
20 ms |
1868 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
1868 KB |
Output is correct |
2 |
Correct |
24 ms |
1868 KB |
Output is correct |
3 |
Correct |
20 ms |
1868 KB |
Output is correct |
4 |
Correct |
32 ms |
1868 KB |
Output is correct |
5 |
Correct |
16 ms |
1868 KB |
Output is correct |
6 |
Correct |
20 ms |
1868 KB |
Output is correct |
7 |
Correct |
24 ms |
1868 KB |
Output is correct |
8 |
Correct |
28 ms |
1868 KB |
Output is correct |
9 |
Correct |
8 ms |
1868 KB |
Output is correct |
10 |
Correct |
8 ms |
1868 KB |
Output is correct |
11 |
Correct |
16 ms |
1868 KB |
Output is correct |
12 |
Correct |
24 ms |
1868 KB |
Output is correct |
13 |
Correct |
24 ms |
1868 KB |
Output is correct |
14 |
Correct |
20 ms |
1868 KB |
Output is correct |
15 |
Correct |
20 ms |
1868 KB |
Output is correct |
16 |
Correct |
24 ms |
1868 KB |
Output is correct |
17 |
Correct |
20 ms |
1868 KB |
Output is correct |
18 |
Correct |
8 ms |
1868 KB |
Output is correct |
19 |
Correct |
24 ms |
1868 KB |
Output is correct |
20 |
Correct |
16 ms |
1868 KB |
Output is correct |