제출 #976416

#제출 시각아이디문제언어결과실행 시간메모리
976416josanneo22Road Closures (APIO21_roads)C++17
0 / 100
30 ms4132 KiB
#include "roads.h"

#include <vector>

#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
#define vi vector<int>

vector<i64> minimum_closure_costs(int N, vi U, vi V, vi W) {
    vector<i64> ans(N);
    ans[0] = accumulate(W.begin(), W.end(), 0LL);
    vector<i64> dp(N);
    dp[0] = 0; dp[1] = W[0];
    for (int i = 2; i < N; i++) {
        // 0, 1, 2, ..., i - 1, i, ..., N - 1
        dp[i] = min(dp[i - 1] + W[i - 2], dp[i - 2] + W[i - 1]);
    }
    ans[1] = dp[N - 1];
    return ans;
}
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