Submission #2213753

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Source Code Expand

#include <iostream>
#include<bits/stdc++.h>
using namespace std;

int solve(vector<int>&a)
{
    int n=a.size();
    int d=0;
    for(int i=0;i<n;i++){
            if(a[i]==0)continue;
        if(!(a[i]%2))
        {
            d+=a[i]/2;
        }
       else
        {
          d+=a[i]/2;
          if(i+1<n&&a[i+1]!=0){
            d++;
            a[i+1]--;
          }
        }
    }
    return d;
}
int main()
{
    int n;
    cin>>n;
    int i=0;
    vector<int>a(n);
    while(n--)
    {
    cin>>a[i++];
    }
    int d=solve(a);
    cout<<d;
    return 0;
}

Submission Info

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