Submission #209148

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
209148	2020-03-13 09:39:25	kai824	Telefoni (COCI17_telefoni)	C++17	80 / 80	22 ms	380 KiB

telefoni

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#include "bits/stdc++.h"
using namespace std;
typedef pair<int,int> pii;
#define eb emplace_back
#define int int64_t
int32_t main() {
    ios_base::sync_with_stdio(false);cin.tie(0);
    int n,d,a,last=-1,ans=0;
    cin>>n>>d;
    for(int x=0;x<n;x++){
      cin>>a;
      if(a==0)continue;
      if(last==-1)last=x;
      else{
        if(x-last<=d){
          last=x;continue;
        }else{
          a=x-last;
          while(a>d){
            a-=d;
            ans++;
          }
          last=x;
        }
      }
    }
    cout<<ans;
 
 
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• Subtask 1: 80 / 80