#include <cstdio>
#include <algorithm>
using namespace std;
int n, k, d;
int data[100010];
int cnv_data[100010];
int main()
{
scanf("%d%d%d",&n,&k,&d);
int i;
for(i=0;i<k;++i) scanf("%d",data+i);
sort(data,data+k);
int ind=0;
cnv_data[0]=data[0]-1;
for(i=1;i<k;++i){
cnv_data[i]=data[i]-data[i-1]-1;
}
cnv_data[k]=n-data[k-1];
sort(cnv_data+1,cnv_data+k);
int ans=0;
if(d&1){
for(i=k-1;i>=(k-d/2) && i>=1;--i){
ans+=cnv_data[i];
}
ans+=max(cnv_data[0],cnv_data[k]);
} else {
for(i=k-1;i>(k-d/2) && i>=1;--i){
ans+=cnv_data[i];
}
ans+=max(cnv_data[0],max(cnv_data[k],cnv_data[k-d/2]));
}
printf("%d\n",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 |
Incorrect |
0 ms |
1868 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
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 |
Incorrect |
0 ms |
1868 KB |
Output isn't correct |
20 |
Halted |
0 ms |
0 KB |
- |
# |
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 |
Incorrect |
0 ms |
1868 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
28 ms |
1868 KB |
Output is correct |
2 |
Correct |
20 ms |
1868 KB |
Output is correct |
3 |
Correct |
20 ms |
1868 KB |
Output is correct |
4 |
Correct |
28 ms |
1868 KB |
Output is correct |
5 |
Correct |
28 ms |
1868 KB |
Output is correct |
6 |
Correct |
24 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 |
Incorrect |
16 ms |
1868 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
24 ms |
1868 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |