Submission #625675

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
625675	2022-08-10 16:51:11	phathnv	Catfish Farm (IOI22_fish)	C++17	100 / 100	368 ms	61504 KiB

fish

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#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
long long max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w) {
    vector<vector<int>> a(n + 1);
    vector<vector<array<int, 2>>> b(n + 1);
    vector<vector<array<long long, 2>>> dp[2];
    dp[0].resize(n + 1);
    dp[1].resize(n + 1);
    for (int i = 0; i < m; ++i) {
        b[x[i]].push_back({y[i], w[i]});
        if (0 <= x[i] - 1) {
            a[x[i] - 1].push_back(y[i]);
        }
        if (x[i] + 1 < n) {
            a[x[i] + 1].push_back(y[i]);
        }
    }
    for (int i = 0; i <= n; ++i) {
        a[i].push_back(-1);
        sort(a[i].begin(), a[i].end());
        sort(b[i].begin(), b[i].end());
        a[i].resize(unique(a[i].begin(), a[i].end()) - a[i].begin());
    }
    for (int i = 0; i <= n; ++i) {
        for (auto pos : a[i]) {
 
 
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• Subtask 1: 3 / 3
• Subtask 2: 6 / 6
• Subtask 3: 9 / 9
• Subtask 4: 14 / 14
• Subtask 5: 21 / 21
• Subtask 6: 17 / 17
• Subtask 7: 14 / 14
• Subtask 8: 16 / 16