#include <cstdio>
#include <iostream>
#include <algorithm>
using namespace std;
int n,d,ans;
int a[10001];
int main()
{
cin>>n>>d;
for(int i=1;i<=n;i++)
cin>>a[i];
int v;
for(int i=1;i<=n;i++)
{
v=i;
for(int j=min(d+v,n);j>v;j--)
{
if(a[j]==0)
{
ans++,a[j]++,i=j-1;
break;
}
if(j==v+1)
i=j-1;
}
}
cout<<ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
504 KB |
Output is correct |
2 |
Incorrect |
2 ms |
508 KB |
Output isn't correct |
3 |
Incorrect |
2 ms |
640 KB |
Output isn't correct |
4 |
Incorrect |
2 ms |
776 KB |
Output isn't correct |
5 |
Incorrect |
2 ms |
776 KB |
Output isn't correct |
6 |
Incorrect |
2 ms |
800 KB |
Output isn't correct |
7 |
Incorrect |
3 ms |
864 KB |
Output isn't correct |
8 |
Incorrect |
4 ms |
996 KB |
Output isn't correct |
9 |
Incorrect |
4 ms |
1108 KB |
Output isn't correct |
10 |
Incorrect |
4 ms |
1236 KB |
Output isn't correct |