Submission #724107

#	Time	Username	Problem	Language	Result	Execution time	Memory
724107		ismayil	메기 농장 (IOI22_fish)	C++17	12 / 100	105 ms	9572 KiB

fish

#pragma GCC optimize("O3")
#include "fish.h"
#include <bits/stdc++.h>
#define ll long long
#define endl '\n'
using namespace std;
const ll INF = 3e14 + 4; 
ll max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
	ll dp[N][2], a[N];
	memset(dp, 0, sizeof(dp)); memset(a, 0, sizeof(a));
	for(int i = 0; i < M; i++) a[X[i]] += W[i]; 
	dp[1][0] = a[1];
	dp[1][1] = a[0];
	for(int i = 2; i < N; i++){
		dp[i][0] = max(dp[i - 1][1] + a[i], dp[i - 1][0]);
		dp[i][1] = max(max(dp[i - 2][0] + a[i - 1], dp[i - 1][1]), dp[i - 2][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