Submission #640171

#	Time	Username	Problem	Language	Result	Execution time	Memory
640171		tvladm2009	Mean (info1cup19_mean)	C++14	100 / 100	2 ms	468 KiB

mean

#include <bits/stdc++.h>

using ll = long long;

const int MAX_N = 200;

int a[1 + MAX_N], dp[1 + MAX_N + 1][1 + MAX_N];

int main() {
  std::ios_base::sync_with_stdio(0);
  std::cin.tie(0);
  int n;
  std::cin >> n;
  for (int i = 1; i <= n; i++) {
    std::cin >> a[i];
  }
  for (int i = 1; i <= n; i++) {
    dp[i][i] = a[i];
  }
  for (int h = 2; h <= n; h++) {
    for (int i = 1; i + h - 1 <= n; i++) {
      int j = i + h - 1;
      for (int k = i; k <= j; k++) {
        dp[i][j] = std::max(dp[i][j], (dp[i][k] + dp[k + 1][j]) / 2);
      }
    }
  }
  std::cout << dp[1][n];
  return 0;
}

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