제출 #1046292

#제출 시각아이디문제언어결과실행 시간메모리
1046292tolbi친구 (IOI14_friend)C++17
19 / 100
1 ms348 KiB
#define tol(bi) (1LL<<((int)(bi))) #include "friend.h" #include <bits/stdc++.h> using namespace std; // Find out best sample int findSample(int n,int confidence[],int host[],int protocol[]){ int dp[n][2]={0,0}; for (int i = 0; i < n; ++i) { dp[i][1]=confidence[i]; } for (int i = n-1; i >= 1; i--){ int nd = host[i]; if (protocol[i]==0){ dp[nd][0]+=max(dp[i][1],dp[i][0]); dp[nd][1]+=dp[i][0]; } else if (protocol[i]==1){ dp[nd][0]=max(dp[nd][0],max(dp[i][1],dp[i][0])); dp[nd][1]=max(dp[nd][1]+dp[i][0],max(dp[i][0],dp[i][1])+confidence[nd]); } else { dp[nd][0]=max(dp[i][1],dp[nd][0]+dp[i][0]); dp[nd][1]=max(dp[nd][1]+dp[i][0],dp[i][1]+confidence[nd]); } } return max(dp[0][0],dp[0][1]); }
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