Submission #597242

#	Time	Username	Problem	Language	Result	Execution time	Memory
597242		definitelynotmee	Peru (RMI20_peru)	C++17	18 / 100	744 ms	5120 KiB

peru

#include "peru.h"
#include<bits/stdc++.h>
#define ff first
#define ss second
#define all(x) x.begin(), x.end()
using namespace std;
using ll = long long;
using pii = pair<int,int>;
using pll = pair<ll,ll>;
template<typename T>
using matrix = vector<vector<T>>;
const ll INFL = 1ll<<60;
const int MOD = 1e9+7;

int solve(int n, int k, int* v){

    vector<ll> dp(n+1,INFL);
    dp[0] = 0;
    for(int i = 1; i <= n; i++){
        int maxrange = 0;
        for(int j = i-1; j >= max(i-k,0); j--){
            maxrange = max(maxrange,v[j]);
            dp[i] = min(dp[i],maxrange+dp[j]);
        }
    } 

    ll resp = 0;
    ll power = 1;
    for(int i = n; i > 0; i--){
        resp+=dp[i]%MOD*power;
        power*=23;
        power%=MOD;
        resp%=MOD;
    }
    
    return resp;
}

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