제출 #1210393

#제출 시각아이디문제언어결과실행 시간메모리
1210393PagodePaivaNile (IOI24_nile)C++20
67 / 100
2094 ms7300 KiB
#include "nile.h"
#include<bits/stdc++.h>

using namespace std;

const int N = 200010;
long long dp[N];
long long custo[N];
long long w[N];

vector<long long> calculate_costs(std::vector<int> W, std::vector<int> A,
                                       std::vector<int> B, std::vector<int> E) {
    int n = W.size();
    long long sum = 0;
    vector <array <int, 3>> ordenar;
    for(int i = 0;i < n;i++){
        ordenar.push_back({W[i], A[i], B[i]});
    }
    sort(ordenar.begin(), ordenar.end());
    for(int i = 0;i < n;i++){
        w[i+1] = ordenar[i][0];
        sum += (long long) (ordenar[i][1]);
        custo[i+1] = ordenar[i][1] - ordenar[i][2];
    }
    vector <long long> resposta;
    for(auto d : E){
        dp[0] = 0;
        for(int i = 1;i <= n;i++){
            dp[i] = dp[i-1];
            if(i > 1){
                if(abs(w[i] - w[i-1]) <= d){
                    dp[i] = max(dp[i], dp[i-2] + custo[i] + custo[i-1]);
                }
            }
            if(i > 2){
                if(abs(w[i] - w[i-2]) <= d){
                    dp[i] = max(dp[i], dp[i-3] + custo[i] + custo[i-2]);
                }
            }
        }
        resposta.push_back(sum - dp[n]);
    }
    return resposta;
}
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