#include <bits/stdc++.h>
using namespace std;
#define fastIO ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL);
#define FF first
#define SS second
#define pb push_back
#define sz(x) (int)x.size()
#define oo 1e15
#define eps 1e-9
#define PI acos(-1.0)
#define lb lower_bound
#define ub upper_bound
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> ii;
const int N = 3e5+7, M=20+7;
const int MOD = 1e9+7;
int n, m, k, t;
int a[N];
signed main() {
//freopen("test.inp", "r", stdin);
//freopen("test.out", "w", stdout);
//fastIO;
scanf("%d%d", &n, &m);int ans=0;
for(int v, j=0, i=1;i<=n;i++) {
scanf("%d", &v);
if(v) j=0;else j++;
if(j==m) ans++, j=0;
}
printf("%d", ans);
return 0;
}
/* stuff you should look for
- int overflow, array bounds
- special cases (n=1?)
- do smth instead of do nothing and stay organized
- WRITE STUFF DOWN
- DONT JUST STICK ON ONE APPROACH
*/
Compilation message
telefoni.cpp: In function 'int main()':
telefoni.cpp:27:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
27 | scanf("%d%d", &n, &m);int ans=0;
| ~~~~~^~~~~~~~~~~~~~~~
telefoni.cpp:29:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
29 | scanf("%d", &v);
| ~~~~~^~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
288 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
300 KB |
Output is correct |
| 4 |
Correct |
1 ms |
308 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 |
27 ms |
796 KB |
Output is correct |
| 9 |
Correct |
26 ms |
844 KB |
Output is correct |
| 10 |
Correct |
29 ms |
792 KB |
Output is correct |
