//author: Ahmet Alp Orakci
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
#define ONLINE_JUDGE
void solve() {
int n, d;
cin >> n >> d;
vector <int> vec(n +1);
for(int i = 1; i <= n; i++)
cin >> vec[i];
int x = 1, ans = 0;
for(int i = 1; i <= n; i++) {
if(vec[i] == 1) {
x = d;
} else {
if(x == 0) {
vec[i] = 1;
x = d;
ans++;
}
}
x--;
}
cout << ans;
return;
}
signed main() {
#ifndef ONLINE_JUDGE
freopen(".in", "r", stdin);
freopen(".out", "w", stdout);
#endif
ios_base::sync_with_stdio(false);
cin.tie(NULL); cout.tie(NULL);
int t = 1; //cin >> t;
for(int i = 1; i <= t; i++) {
solve();
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
11 ms |
1628 KB |
Output is correct |
9 |
Correct |
12 ms |
1628 KB |
Output is correct |
10 |
Correct |
14 ms |
1628 KB |
Output is correct |