Submission #1187548

#	Time	Username	Problem	Language	Result	Execution time	Memory
1187548		Saul0906	Catfish Farm (IOI22_fish)	C++20	12 / 100	52 ms	9796 KiB

fish

#include "fish.h"
#include <bits/stdc++.h>
#include <vector>
#define ll long long
#define pll pair<ll,ll>
#define fi first
#define se second
#define rep(a,b,c) for(int a=b; a<c; a++)

using namespace std;

long long max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
	ll sum[N+1]{}, dp[N+1]{}, mx[N]{};
	rep(i,0,M) sum[X[i]]+=W[i];
	rep(i,0,N){
		if(!i) dp[i]=sum[i+1];
		else if(i==1) dp[i]=sum[i-1]+sum[i+1];
		else if(i==2) dp[i]=max({mx[i-1]-sum[i]+sum[i+1],mx[i-2]+sum[i+1]});
		else dp[i]=max({mx[i-1]-sum[i]+sum[i+1],
					mx[i-2]+sum[i+1],
					mx[i-3]+sum[i-1]+sum[i+1]});
		mx[i]=dp[i];
		if(i) mx[i]=max(mx[i],mx[i-1]);
	}
	return mx[N-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