#include <bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define pii pair <int, int>
#define sz(a) (int)(a.size())
#define resize(v) v.resize(unique(all(v)) - v.begin());
#define all(a) a.begin(), a.end()
#define forit(it, s) for(__typeof(s.begin()) it = s.begin(); it != s.end(); it ++)
using namespace std;
void Fast_Read_Out()
{
ios_base::sync_with_stdio(0);
cin.tie(), cout.tie();
}
void Random()
{
unsigned int seed;
asm("rdtsc" : "=A" (seed));
srand(seed);
}
unsigned int Time()
{
unsigned int time = clock() / 1000.00;
return time;
}
const int inf = int(1e9) + 123;
const int N = int(5e5) + 123;
int a[N], cnt, ans;
vector <int> v;
int main ()
{
#ifdef JUDGE
freopen("input.txt", "r", stdin);
#endif
Random();
Fast_Read_Out();
int n, d;
cin >> n >> d;
for(int i = 1; i <= n; i++)
{
cin >> a[i];
if(!a[i]) cnt++;
if(a[i]) v.pb(cnt), cnt = 0;
}
for(int i = 0; i < sz(v); i++) ans += v[i] / d;
cout << ans << endl;
#ifdef JUDGE
// cout << Time() << endl;
#endif
}
// Easy Peasy Lemon Squeezy Sometimes it's the very people who no one imagines anything of who do the things no one can imagine.
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
380 KB |
Output is correct |
| 3 |
Correct |
2 ms |
456 KB |
Output is correct |
| 4 |
Correct |
2 ms |
600 KB |
Output is correct |
| 5 |
Correct |
2 ms |
600 KB |
Output is correct |
| 6 |
Correct |
2 ms |
600 KB |
Output is correct |
| 7 |
Correct |
2 ms |
600 KB |
Output is correct |
| 8 |
Correct |
23 ms |
1656 KB |
Output is correct |
| 9 |
Correct |
41 ms |
1704 KB |
Output is correct |
| 10 |
Correct |
23 ms |
1720 KB |
Output is correct |
