Submission #848914

#	Time	Username	Problem	Language	Result	Execution time	Memory
848914		TahirAliyev	Peru (RMI20_peru)	C++17	18 / 100	541 ms	9432 KiB

peru

#include "peru.h"
#include <bits/stdc++.h>

#define ll long long
#define oo 1e17

using namespace std;

const int MAX = 2002, MOD = 1e9 + 7;
int arr[MAX];
ll dp[MAX];

int solve(int n, int k, int* v){
    for(int i = 1; i <= n; i++){
        dp[i] = oo;
    }
    for(int i = 0; i < n; i++){
        arr[i + 1] = v[i];
    }
    for(int i = 1; i <= n; i++){
        int m = 0;
        for(int j = 1; j <= k; j++){
            if(i - j < 0) break;
            m = max(arr[i - j + 1], m);
            dp[i] = min(dp[i - j] + m, dp[i]);
        }
    }
    ll ans = 0;
    ll p = 1;
    for(int i = n; i >= 1; i--){
        ans += dp[i] % MOD * p % MOD;
        ans %= MOD;
        p *= 23;
        p %= MOD;
    }
    return ans;
}

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