Submission #147897

#	Time	Username	Problem	Language	Result	Execution time	Memory
147897		willi19	Friend (IOI14_friend)	C++14	35 / 100	3 ms	504 KiB

friend

#include <cstdio>
#include <cassert>
#define __MAXSIZE__ 100002
#include "friend.h"
#include<bits/stdc++.h>
using namespace std;
set<int,greater<int> > s;
int with[100100],without[100100];
int findSample(int n,int confidence[],int host[],int protocol[]){
    for(int i=n-1;i>0;i--)
    {
        with[i]+=confidence[i];
        if(protocol[i]==0)
        {
            without[host[i]]+=max(with[i],without[i]);
            with[host[i]]+=without[i];
        }
        if(protocol[i]==1)
            with[host[i]]+=with[i];
        if(protocol[i]==2)
        {
            confidence[host[i]]=max(confidence[i],confidence[host[i]]);
            without[host[i]]+=without[i];
        }
    }
    return max(with[0]+confidence[0],without[0]);
}
using namespace std;

• Subtask 1: 0 / 11
• Subtask 2: 8 / 8
• Subtask 3: 8 / 8
• Subtask 4: 19 / 19
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31