제출 #645309

#제출 시각아이디문제언어결과실행 시간메모리
645309notmeMean (info1cup19_mean)C++14
0 / 100
0 ms304 KiB
#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
const int MAXN = 205;
void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}
int n, a[MAXN];
int dp[MAXN];
void solve()
{
    cin >> n;
    for (int i = 1; i <= n; ++ i)
        cin >> a[i];
    dp[2] = (a[1] + a[2])/2;
    for (int i = 3; i <= n; ++ i)
    {
        dp[i] = max((dp[i-1] + a[i])/2, (dp[i-2] + (a[i-2] + a[i-1])/2)/2);
    }
    cout << dp[n] << endl;
}
int main()
{
    //speed();
    solve();
    return 0;
}
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