Submission #1032903

#	Time	Username	Problem	Language	Result	Execution time	Memory
1032903		jnjwnwnw	Mean (info1cup19_mean)	C++17	100 / 100	2 ms	604 KiB

mean

#include <algorithm>
#include <iostream>
using namespace std;

#define ll long long
#define fff(i,a,b) for(ll i = a; i < b; i++)

#define MAXN 201

ll dp[MAXN][MAXN], A[MAXN];
ll n;

#define mean(a, b) ((a+b)>>1)

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n;
    fff(i, 0, n){
        cin >> A[i];
        dp[i][i] = A[i];
    }
    fff(sz, 2, n+1){
        fff(L, 0, n-sz+1){
            ll R = L+sz-1;
            fff(K, L, R){
                dp[L][R] = max(dp[L][R], mean(dp[L][K], dp[K+1][R]));
            }
        }
    }
    cout << dp[0][n-1] << endl;
}

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