제출 #7704

#제출 시각아이디문제언어결과실행 시간메모리
7704dohyun0324친구 (IOI14_friend)C++98
100 / 100
32 ms3040 KiB
#include "friend.h" #include<algorithm> using namespace std; int d[100010][2]; // Find out best sample 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;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]); } if(protocol[i]==1) { d[host[i]][0]=max(d[host[i]][1]+d[i][0],d[host[i]][0]+max(d[i][0],d[i][1])); d[host[i]][1]+=d[i][1]; } if(protocol[i]==2) { d[host[i]][0]=max(d[host[i]][1]+d[i][0],d[i][1]+d[host[i]][0]); d[host[i]][1]+=d[i][1]; } } return max(d[0][0],d[0][1]); }
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