Submission #151732

#	Time	Username	Problem	Language	Result	Execution time	Memory
151732		willi19	Friend (IOI14_friend)	C++14	16 / 100	3 ms	504 KiB

friend

#include "friend.h"
#include<bits/stdc++.h>
using namespace std;
int c[100100],h[100100],p[100100];
int dp(int ind)
{
    if(ind==0)
        return max(0,c[0]);
    if(p[ind]==0)
    {
        c[h[ind]]-=c[ind];
        return dp(ind-1)+max(0,c[ind]);
    }
    if(p[ind]==1)
    {
        if(c[ind]<=0)
            return dp(ind-1);
        if(c[h[ind]]>0) c[h[ind]]+=c[ind];
        else c[h[ind]]=c[ind];
        return dp(ind-1);
    }
    if(p[ind]==2)
    {
        c[h[ind]]=max(c[h[ind]],c[ind]);
        return dp(ind-1);
    }
}
int findSample(int n,int confidence[],int host[],int protocol[]){
    for(int i=0;i<n;i++)
    {
        c[i]=confidence[i];
        h[i]=host[i];
        p[i]=protocol[i];
    }
    return dp(n-1);
}

Compilation message (stderr)

friend.cpp: In function 'int dp(int)':
friend.cpp:27:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

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