제출 #348966

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
348966		Sho10	Mean (info1cup19_mean)	C++17	100 / 100	6 ms	764 KiB

mean

#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho10
#define ll long long 
#define double long double
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define aint(a) (a).begin(), (a).end()
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define pi pair
#define rc(s) return cout<<s,0
#define endl '\n'
#define mod 1000000007
#define PI 3.14159265359
#define MAXN 100005
#define INF 1000000005
#define LINF 1000000000000000005ll
#define CODE_START  ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
ll n,a[205],dp[205][205];
int32_t main(){
CODE_START;
cin>>n;
for(ll i=1;i<=n;i++)
{
	cin>>a[i];
	dp[i][i]=a[i];
}
for(ll i=n-1;i>=1;i--)
{
	for(ll j=i+1;j<=n;j++){
		for(ll k=i;k<j;k++)
		{
			dp[i][j]=max(dp[i][j],(dp[i][k]+dp[k+1][j])/2);
		}
	}
}
cout<<dp[1][n]<<endl;
}

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70