Submission #629372

#	Time	Username	Problem	Language	Result	Execution time	Memory
629372		DarkMatter	Catfish Farm (IOI22_fish)	C++17	3 / 100	90 ms	8816 KiB

fish

#include<bits/stdc++.h>
#include "fish.h"
#include <vector>
using namespace std;
typedef long long ll;
long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y, std::vector<int> W) {
	vector<ll>sum(N, 0), dp(N, 0);
	for (int i = 0; i < M; i++)
		sum[X[i]] += W[i];
	dp[N - 1] = sum[N - 1];
	for (int i = N - 2; i >= 0; i--) {
		if (!sum[i])
			dp[i] = dp[i + 1];
		else {
			if (!sum[i + 1])
				dp[i] = sum[i] + dp[i + 1];
			else {
				int val = 0;
				if (i != N - 2)
					val = dp[i + 2];
				dp[i] = max(dp[i + 1], (sum[i] + val));
			}
		}
	}
	return dp[0];
}

• Subtask 1: 3 / 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