Submission #785101

#	Time	Username	Problem	Language	Result	Execution time	Memory
785101		khshg	Catfish Farm (IOI22_fish)	C++17	9 / 100	27 ms	6192 KiB

fish

#include<bits/stdc++.h>
using namespace std;

long long max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
	long long ans = 0;
	vector<int> c(N + 1);
	for(int i = 0; i < M; ++i) {
		c[X[i]] = W[i];
	}
	vector<array<long long, 2>> dp(N + 1);
	dp[0][0] = 0;
	dp[0][1] = c[1];
	ans = c[1];
	for(int i = 1; i < N; ++i) {
		dp[i][0] = max(dp[i - 1][0], dp[i - 1][1]);
		dp[i][1] = dp[i - 1][1] - c[i];
		dp[i][1] = max(dp[i][1], (i - 2 < 0 ? 0 : dp[i - 2][0]) + c[i - 1]);
		dp[i][1] = max(dp[i][1], (i - 2 < 0 ? 0 : dp[i - 2][1]));
		dp[i][1] += c[i + 1];
		ans = max(dp[i][0], dp[i][1]);
	}
	return ans;
}

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