oj.uz

Submission #635055

# Submission time Handle Problem Language Result Execution time Memory
635055 2022-08-25T11:06:27 Z inksamurai Telefoni (COCI17_telefoni) C++17
80 / 80
 15 ms 2004 KB 
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define rng(i,c,n) for(int i=c;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3PGDklf ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
// e

signed main(){
_3PGDklf;
	int n,d;
	cin>>n>>d;
	vi a(n);
	rep(i,n){
		cin>>a[i];
	}
	int ans=0;
	for(int i=0;i<n-1;i++){
		int j=i+1;
		int _lst=-1;
		while(j<n and j-i<=d){
			if(a[j]==1){
				_lst=j;
			}
			j+=1;
		}
		if(_lst==-1){
			i=i+d-1;
			ans+=1;
		}else{
			i=_lst-1;
		}
	}
	print(ans);
}

Subtask #1
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 316 KB Output is correct
4 Correct 0 ms 324 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 13 ms 2004 KB Output is correct
9 Correct 15 ms 2004 KB Output is correct
10 Correct 14 ms 2000 KB Output is correct