제출 #363664

#제출 시각아이디문제언어결과실행 시간메모리
363664silverfish친구 (IOI14_friend)C++14
8 / 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[]){ int ans = conf[0]; dp[0][0] = 0; dp[0][1] = conf[0]; for(int i = 1; i < n; ++i){ if(protocol[i] == 0){ dp[i][0] = max(dp[host[i]][1], dp[host[i]][0]); dp[i][1] = conf[i] + dp[host[i]][0]; }else if(protocol[i] == 1){ dp[i][1] = conf[i] + dp[host[i]][1]; dp[i][0] = max(dp[host[i]][1], dp[host[i]][0]); }else if(protocol[i] == 2){ dp[i][1] = conf[i] + dp[host[i]][1] - conf[host[i]]; dp[i][0] = max(dp[host[i]][1], dp[host[i]][0]); } ans = max(ans, dp[i][0]); ans = max(ans, dp[i][1]); } return ans; }
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