제출 #13525

#제출 시각아이디문제언어결과실행 시간메모리
13525gs14004친구 (IOI14_friend)C++14
100 / 100
45 ms2256 KiB
#include "friend.h" #include <algorithm> using namespace std; int findSample(int n, int confidence[], int host[], int protocol[]){ int ret = 0; for (int i=n-1; i>=0; i--) { if(protocol[i] == 1){ confidence[host[i]] += confidence[i]; } else if(protocol[i] == 2){ confidence[host[i]] = max(confidence[host[i]],confidence[i]); } else{ ret += confidence[i]; confidence[host[i]] -= confidence[i]; confidence[host[i]] = max(confidence[host[i]],0); // (a,b) -> (a-b,0) + b } } return ret += confidence[0]; }
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