제출 #915542

#제출 시각아이디문제언어결과실행 시간메모리
915542NamkhingCatfish Farm (IOI22_fish)C++17
0 / 100
19 ms5460 KiB
#include "fish.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef vector<int> vi;

const int Max = 1e5 + 1;
ll fish[Max], dp[Max][2];

ll max_weights(int N, int M, vi X, vi Y, vi W) {
    for (int i = 0; i < M; i++) {
        fish[X[i]] = W[i];
    }

    dp[0][0] = fish[0];

    for (int i = 1; i < N; i++) {
        dp[i][1] = max(dp[i-1][1], dp[i-1][0]);
        dp[i][0] = max(dp[i-1][0], dp[i-1][1] + fish[i]);
    }

    return max(dp[N-1][0], dp[N-1][1]);
}
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