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 "friend.h"
#include <bits/stdc++.h>
using namespace std;
const int mxN=1e5;
int dp[mxN][2];
int findSample(int n, int c[], int h[], int p[]) {
for(int i=0; i<n; ++i)
dp[i][1]=c[i];
for(int i=n-1; i; --i) {
if(p[i]==0) {
dp[h[i]][0]+=dp[i][1];
dp[h[i]][1]+=dp[i][0];
} else if(p[i]==1) {
dp[h[i]][0]+=dp[i][0];
dp[h[i]][1]+=dp[i][1];
} else {
dp[h[i]][1]=max(dp[h[i]][0]+dp[i][1], dp[h[i]][1]+dp[i][0]);
dp[h[i]][0]+=dp[i][0];
}
dp[h[i]][1]=max(dp[h[i]][0], dp[h[i]][1]);
}
return max(dp[0][0], dp[0][1]);
}
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