#include<bits/stdc++.h>
using namespace std;
int main(){
int n,d;
cin>>n>>d;
int last = -1;
int ans = 0;
for(int i=0;i<n;i++){
int x;
cin>>x;
if(i>=d+last && x==0){
ans++;
last = i;
}
else if(x==1){
last = i;
}
}
cout<<ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
48 ms |
276 KB |
Output is correct |
9 |
Correct |
38 ms |
204 KB |
Output is correct |
10 |
Correct |
38 ms |
264 KB |
Output is correct |