Submission #526403

#	Time	Username	Problem	Language	Result	Execution time	Memory
526403		MihaiPopa	Mean (info1cup19_mean)	C++14	0 / 100	1 ms	204 KiB

mean

#include <bits/stdc++.h>

using namespace std;
ifstream fin("mean.in");
ofstream fout("mean.out");

const int NMAX = 203, INF = 1e9;

int v[NMAX], dp[NMAX][NMAX];

int mymax(int a, int b)
{
    return(a > b ? a : b);
}

int main()
{
    fin >> v[0];
    for(int i = 1; i <= v[0]; ++i)
        fin >> v[i], dp[i][i] = v[i];

    for(int sz = 2; sz <= v[0]; ++sz) {
        for(int i = 1; i <= v[0] - sz + 1; ++i) {
            int j = i + sz - 1;
            dp[i][j] = -INF;
            for(int k = i; k <= j - 1; ++k)
                dp[i][j] = mymax(dp[i][j], (dp[i][k] + dp[k + 1][j]) >> 1);
        }
    }
    fout << dp[1][v[0]] << '\n';
    return 0;
}

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70