Submission #1210766

#	Time	Username	Problem	Language	Result	Execution time	Memory
1210766		qwusha	Catfish Farm (IOI22_fish)	C++20	0 / 100	14 ms	3136 KiB

fish

#include <bits/stdc++.h>
#include "fish.h"
using namespace std;
#define fi first
#define se second
typedef long long ll;
typedef long double ld;
mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
ll inf = 1e18;

ll max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w) {
    vector<int> a(n);
    for (int i = 0; i < m; i++) {
        a[x[i]] = w[i];
    }
    vector<ll> dp(n, 0);
    ll res = 0;
    for (int i = 0; i < n; i++) {
        ll val = 0;
        if (i < n - 1)
            val = a[i + 1];
        dp[i] = val;
        if (i > 0) {
            dp[i] = max(dp[i], dp[i - 1] - a[i] + val);
        }
        if (i > 1) {
            dp[i] = max(dp[i], dp[i - 2] + val);
        }
        if (i > 2) {
            dp[i] = max(dp[i], dp[i - 3] + a[i - 1] + val);
        }
        res = max(res, dp[i]);
    }
    return res;
}

/*
signed main() {
    int n, m;
    cin >> n >> m;
    vector<int> x(m), y(m), w(m);
    for (int i = 0; i < m; i++) {
        cin >> x[i] >> y[i] >> w[i];
    }
    cout << max_weights(n,m,x,y,w) << '\n';
}
 */

• Subtask 1: 0 / 3
• Subtask 2: 0 / 6
• Subtask 3: 0 / 9
• Subtask 4: 0 / 14
• Subtask 5: 0 / 21
• Subtask 6: 0 / 17
• Subtask 7: 0 / 14
• Subtask 8: 0 / 16