Submission #1234818

#	Time	Username	Problem	Language	Result	Execution time	Memory
1234818		mariza	Catfish Farm (IOI22_fish)	C++20	12 / 100	53 ms	8776 KiB

fish

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

typedef long long ll;
const ll N=1e5;
#define MID ((l+r)/2)

long long max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w){
    ll a[n]={};
    for(ll i=0; i<m; i++){
        a[x[i]]+=w[i];
    }

    ll ans[n+2];
    ans[n]=0;
    ans[n+1]=0;
    for(ll i=n-1; i>=0; i--){
        ans[i]=ans[i+1];
        if(i<n-1) ans[i]=max(ans[i],max(a[i+1]+ans[i+2],a[i]+ans[i+2]));
        if(i<n-2) ans[i]=max(ans[i],a[i]+a[i+2]+ans[i+3]);
    }
    return ans[0];
}

• 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