Submission #1365754

#	Time	Username	Problem	Language	Result	Execution time	Memory
1365754		stanirina	Catfish Farm (IOI22_fish)	C++20	6 / 100	36 ms	8796 KiB

fish

#include "fish.h"
#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 sum1=0ll;
	long long sum2=0ll;
	for(int i=0;i<m;i++){
		if(x[i]==0)sum1+=(long long)w[i];
		if(x[i]==1)sum2+=(long long)w[i];
	}
	if(n==2)return max(sum1,sum2);
	vector<long long> pr(n+2,0ll);
	vector<long long> dr(n+2,0ll);
	for(int i=0;i<m;i++){
		if(x[i]==1)dr[y[i]+1]=(long long)w[i];
		if(x[i]==0)pr[y[i]+1]=(long long)w[i];
	}
	
	long long ans=max(sum1,sum2);
	for(int i=2;i<n+2;i++)pr[i]+=pr[i-1];
	for(int i=n;i>=0;i--)dr[i]+=dr[i+1];
	for(int i=1;i<=n;i++)ans=max(ans,pr[i]+dr[i+1]);
	return ans;
}

• Subtask 1: 0 / 3
• Subtask 2: 6 / 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