This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
int findSample(int n,int confidence[],int host[],int protocol[]){
int dp[n][2];
for (int i=0; i<n; i++){
dp[i][0]=0;
dp[i][1]=confidence[i];
}
for (int i=n-1; i; i--){
if (protocol[i]==0){
dp[host[i]][0]+=max(dp[i][0],dp[i][1]);
dp[host[i]][1]+=dp[i][0];
} else if (protocol[i]==1){
dp[host[i]][1]=max(dp[host[i]][1]+max(dp[i][0],dp[i][1]),dp[host[i]][0]+dp[i][1]);
dp[host[i]][0]+=dp[i][0];
} else if (protocol[i]==2){
dp[host[i]][1]=max(dp[host[i]][0]+dp[i][1],dp[host[i]][1]+dp[i][0]);
dp[host[i]][0]+=dp[i][0];
}
}
int ans=0;
for (int i=0; i<n; i++){
ans=max(ans,dp[i][0]);
ans=max(ans,dp[i][1]);
}
return ans;
}
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