Submission #858853

#	Time	Username	Problem	Language	Result	Execution time	Memory
858853		alexdumitru	Peru (RMI20_peru)	C++14	0 / 100	1 ms	348 KiB

peru

#include <bits/stdc++.h>

using namespace std;

long long getAns(long long dp[], long long n)
{
    long long mul = 1;
    long long ans = 0;
    const long long MOD = 1e9 + 7;
    for(long long i = n - 1; i >= 0; i--)
    {
        ans = (1LL * ans + dp[i] * mul) % MOD;
        mul = (1LL * mul * 23) % MOD;
    }
    return ans;
}

int solve(int n, int k, int *s)
{
    long long dp[n];
    long long Max = 0;
    for(long long i = 0; i < k; i++)
    {
        if(s[i] > Max)
            Max = s[i];
        dp[i] = Max;
    }
    for(long long i = k; i < n; i++)
    {
        long long currMax = s[i];
        dp[i] = LLONG_MAX;
        for(long long j = i - 1; j >= i - k; j--)
        {
            if(dp[i] > dp[j] + currMax)
                dp[i] = dp[j] + currMax;
            if(s[j] > currMax)
                currMax = s[j];
        }
    }
    return getAns(dp, n);
}

• Subtask 1: 0 / 18
• Subtask 2: 0 / 31
• Subtask 3: 0 / 51