Submission #521349

#	Time	Username	Problem	Language	Result	Execution time	Memory
521349		raid	Mean (info1cup19_mean)	C++17	100 / 100	3 ms	460 KiB

mean

#include <iostream>

using namespace std;

const int MAXN = 205;

int dp[MAXN][MAXN];
int v[MAXN];

int main() {
  int n;

  cin >> n;
  for ( int i = 1; i <= n; ++i ) {
	cin >> v[i];
  }
  for ( int i = 1; i <= n; ++i ) {
	dp[i][i+1] = (v[i] + v[i+1]) / 2;
	dp[i][i] = v[i];
  }
  for ( int l = 3; l <= n; ++l ) {
    for ( int i = 1; i <= n - l + 1; ++i ) {
      int j = i + l - 1;
	  for ( int x = i; x < j; ++x ) {
		dp[i][j] = max( dp[i][j], (dp[i][x] + dp[x + 1][j]) / 2 );
	  }
	}
  }
  cout << dp[1][n];
  return 0;
}

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