제출 #1071659

#제출 시각아이디문제언어결과실행 시간메모리
1071659Mardonbekhazratov친구 (IOI14_friend)C++17
35 / 100
1 ms600 KiB
#include "friend.h" #include <iostream> #include <vector> #include <array> using namespace std; int findSample(int n,int confidence[],int host[],int protocol[]){ vector<array<int,2>>dp(n,{0,0}); for(int i=0;i<n;i++) dp[i][1]=confidence[i]; for(int i=n-1;i>0;i--){ int x=host[i]; if(protocol[i]==0){ dp[x][1]+=dp[i][0]; dp[x][0]+=max(dp[i][0],dp[i][1]); } else if(protocol[i]&1){ dp[x][1]+=max(dp[i][1],dp[i][0]); dp[x][0]+=dp[i][0]; } else{ dp[x][1]=max(dp[x][1]+dp[i][0],dp[i][1]+dp[x][0]); dp[x][0]+=dp[i][0]; } // cout<<x<<' '<<dp[x][0]<<' '<<dp[x][1]<<'\n'; } return max(dp[0][0],dp[0][1]); }
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