제출 #363667

#제출 시각아이디문제언어결과실행 시간메모리
363667silverfish친구 (IOI14_friend)C++14
16 / 100
1 ms512 KiB
#include "friend.h" #include <bits/stdc++.h> using namespace std; const int N = 1e5+1; int dp[N][2]; int findSample(int n, int conf[],int host[],int protocol[]){ for(int i = 0; i < n; ++i) dp[i][1] = conf[i]; for(int i = n-1; i >= 1; --i){ if(protocol[i] == 0){ dp[host[i]][0] = max({dp[i][0], dp[i][1], dp[host[i]][0]}); dp[host[i]][1] += dp[i][0]; }else if(protocol[i] == 1){ dp[host[i]][0] += dp[i][1]; dp[host[i]][1] += max(dp[i][1], dp[i][0]); }else if(protocol[i] == 2){ dp[host[i]][0] = max({dp[i][0], dp[i][1], dp[host[i]][0]}); dp[host[i]][1] += dp[i][1] - conf[i]; } } return max(dp[0][0], dp[0][1]); }
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