Submission #869335

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
869335	2023-11-04 05:02:50	JellyTheOctopus	Mean (info1cup19_mean)	C++17	0 / 100	1 ms	600 KiB

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#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
const int MOD = 1e9+7;
int N;
long long arr[201];
long long DP[201][201];
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> N;
    for (int i = 1; i <= N; i++) {
        cin >> arr[i];
        DP[i][1] = arr[i];
    }
    for (int i = 2; i <= N; i++) {
        for (int j = 2; j <= i; j++) {
            DP[i][j] = max(DP[i][j], (DP[i][j-1]+arr[i-j+1])/2);
        }
        for (int j = 2; j <= i; j++) {
            DP[i][i] = max(DP[i][i], (DP[i][j-1]+DP[i-j+1][i-j+1])/2);
        }
    }
    cout << DP[N][N] << "\n";
}
 
 
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• Subtask 1: 0 / 30
• Subtask 2: 0 / 70