#include<stdio.h>
#include<algorithm>
using namespace std;
int n,k,d,ans,a[100010],b[100010],cnt,dap;
int main()
{
int i;
scanf("%d %d %d",&n,&k,&d);
for(i=1;i<=k;i++) scanf("%d",&a[i]);
//처음,끝 사용 X
for(i=1;i<k;i++) b[i]=a[i+1]-a[i]-1;
sort(b+1,b+k);
for(i=k-1;i>=1;i--)
{
cnt+=2;
if(cnt>d) break;
dap+=b[i];
}
if(ans<dap) ans=dap;
//처음 또는 끝 사용
cnt=1; dap=max(n-a[k],a[1]-1);
for(i=k-1;i>=1;i--)
{
cnt+=2;
if(cnt>d) break;
dap+=b[i];
}
if(ans<dap) ans=dap;
//처음,끝 사용
if(d>1)
{
cnt=2; dap=n-a[k]+a[1]-1;
for(i=k-1;i>=1;i--)
{
cnt+=2;
if(cnt>d) break;
dap+=b[i];
}
if(ans<dap) ans=dap;
}
printf("%d",ans);
return 0;
}
# |
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 |
24 ms |
1868 KB |
Output is correct |
2 |
Correct |
16 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 |
20 ms |
1868 KB |
Output is correct |
6 |
Correct |
20 ms |
1868 KB |
Output is correct |
7 |
Correct |
28 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 |
20 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 |
12 ms |
1868 KB |
Output is correct |
15 |
Correct |
20 ms |
1868 KB |
Output is correct |
16 |
Correct |
20 ms |
1868 KB |
Output is correct |
17 |
Correct |
24 ms |
1868 KB |
Output is correct |
18 |
Correct |
20 ms |
1868 KB |
Output is correct |
19 |
Correct |
16 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 |
28 ms |
1868 KB |
Output is correct |
24 |
Correct |
16 ms |
1868 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
1868 KB |
Output is correct |
2 |
Correct |
20 ms |
1868 KB |
Output is correct |
3 |
Correct |
24 ms |
1868 KB |
Output is correct |
4 |
Correct |
20 ms |
1868 KB |
Output is correct |
5 |
Correct |
16 ms |
1868 KB |
Output is correct |
6 |
Correct |
28 ms |
1868 KB |
Output is correct |
7 |
Correct |
16 ms |
1868 KB |
Output is correct |
8 |
Correct |
28 ms |
1868 KB |
Output is correct |
9 |
Correct |
12 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 |
20 ms |
1868 KB |
Output is correct |
13 |
Correct |
16 ms |
1868 KB |
Output is correct |
14 |
Correct |
12 ms |
1868 KB |
Output is correct |
15 |
Correct |
20 ms |
1868 KB |
Output is correct |
16 |
Correct |
16 ms |
1868 KB |
Output is correct |
17 |
Correct |
20 ms |
1868 KB |
Output is correct |
18 |
Correct |
12 ms |
1868 KB |
Output is correct |
19 |
Correct |
16 ms |
1868 KB |
Output is correct |
20 |
Correct |
20 ms |
1868 KB |
Output is correct |