Submission #1294907

#	Time	Username	Problem	Language	Result	Execution time	Memory
1294907		WH8	Peru (RMI20_peru)	C++20	0 / 100	1098 ms	49488 KiB

peru

#include "peru.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int mod=1e9+7;

int solve(int n, int k, int* v){
    vector<ll> dp(n, 1e15), cand(n, 0);
    for(int i=0;i<n;i++){
		for(int j=i-1;j>=i-k;j--){
			int mx=0;
			for(int k=j+1;k<=i;k++){
				mx=max(mx, (k < 0? 0:v[k]));
			}
			dp[i]=min(dp[i], (j< 0? 0:dp[j])+mx);
		}
	}
	ll ans=0, mul=1;
	for(int i=n-1;i>=0;i--){
		ans=(ans+mul*dp[i]%mod)%mod;
		mul=mul*23%mod;
	}
	
    return ans;
}
/*
5 2
2000000000 2000000000 2000000000 2000000000 2000000000

*/

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