제출 #7582

#제출 시각아이디문제언어결과실행 시간메모리
7582jihoon친구 (IOI14_friend)C++98
100 / 100
40 ms3040 KiB
#include "friend.h" #include<algorithm> using namespace std; int dp[100001][2]; int findSample(int n, int confidence[], int host[], int protocol[]){ int i; for(i=0;i<n;i++){ dp[i][0]=confidence[i]; } for(i=n-1;i>=1;i--){ if(protocol[i]==0){ dp[host[i]][0]+=dp[i][1]; dp[host[i]][1]=max(dp[host[i]][1]+dp[i][1],dp[host[i]][1]+dp[i][0]); }else if(protocol[i]==1){ dp[host[i]][0]=max(dp[host[i]][0]+dp[i][0],max(dp[host[i]][0]+dp[i][1],dp[host[i]][1]+dp[i][0])); dp[host[i]][1]+=dp[i][1]; }else{ dp[host[i]][0]=max(dp[host[i]][0]+dp[i][1],dp[host[i]][1]+dp[i][0]); dp[host[i]][1]+=dp[i][1]; } } return max(dp[0][0],dp[0][1]); }
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