Submission #1231583

#	Time	Username	Problem	Language	Result	Execution time	Memory
1231583		nicolo_010	Catfish Farm (IOI22_fish)	C++20	12 / 100	49 ms	9800 KiB

fish

#include <bits/stdc++.h>
#include "fish.h"
using namespace std;
using ll = long long;
using pii = pair<int, int>;
template <typename T>
using v = vector<T>;
#define rep(i, k, n) for (int i = k; i < n; i++)
const int mxN = 1e5;


ll dp[mxN][2];

ll max_weights(int N, int M, v<int> X, v<int> Y, v<int> W) {
	v<ll> a(N, 0);
	rep(i, 0, M) {
		a[X[i]] += W[i];
	}
	rep(i, 0, 2) dp[0][i] = 0;
	rep(i, 1, N) {
		dp[i][0] = max(dp[i-1][1]+a[i], dp[i-1][0]);
		dp[i][1] = max(dp[i-1][1], dp[i-1][0]);
		if (i >= 2) {
			dp[i][1] = max(dp[i][1], dp[i-2][0]+a[i-1]);
			//si coloco columna en i
		}
		else {
			dp[i][1] = max(dp[i][1], a[i-1]);
		}
	}
	return max(dp[N-1][0], dp[N-1][1]);
}

• Subtask 1: 3 / 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