| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 7563 | baneling100 | 친구 (IOI14_friend) | C++98 | 40 ms | 3040 KiB |
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"
int D[100000][2];
int MAX(int X, int Y)
{
if(X>Y)
return X;
return Y;
}
int findSample(int n, int confidence[], int host[], int protocol[])
{
int i;
for(i=0 ; i<n ; i++)
D[i][0]=confidence[i];
for(i=n-1 ; i>=1 ; i--)
{
if(protocol[i]==0)
{
D[host[i]][0]+=D[i][1];
D[host[i]][1]+=MAX(D[i][0],D[i][1]);
}
else if(protocol[i]==1)
{
D[host[i]][0]=MAX(D[host[i]][0]+MAX(D[i][0],D[i][1]),D[host[i]][1]+D[i][0]);
D[host[i]][1]+=D[i][1];
}
else
{
D[host[i]][0]=MAX(D[host[i]][0]+D[i][1],D[host[i]][1]+D[i][0]);
D[host[i]][1]+=D[i][1];
}
}
return MAX(D[0][0],D[0][1]);
}
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