제출 #149773

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
149773		욱방켜!! (twitch.tv/wookje) (#200)	Bulb Game (FXCUP4_bulb)	C++17	컴파일 에러	0 ms	0 KiB

bulb

#include "bulb.h"

std::vector<int> L, R;
int dist[300000], mdist;

void dfs(int c, int v)
{
	mdist=std::max(mdist,v);
	if(L[c]>=0) {
		dist[L[c]]=dist[c]+1;
		dfs(L[c],v);
	}
	if(R[c]>=0) {
		dist[R[c]]=dist[c]+1;
		dfs(R[c],v+1);
	}
}

int FindWinner(int T, std::vector<int> L, std::vector<int> R){
	int N = L.size(), c, n, t;
	std::vector<int> t1, t2;
	::L=L; ::R=R;
	for(c=0;c>=0;c=L[c]) {
		bool valid=false;
		for(n=R[c];n>=0;n=L[n]) {
			for(t=R[n];t>=0;t=L[t]);
			if(t==-1) valid=true;
		}
		if(valid) t2.push_back(c);
		if(n==-2) t1.push_back(c);
	}
	std::sort(t1.begin(),t1.end());
	std::sort(t2.begin(),t2.end());
	if(c==-2 || t1.size()>1 || t1.size()==1 && !binary_search(t2.begin(),t2.end(),t1[0])) return 0;
	dfs(0,0);
	if(t1.empty()) return mdist>1 || t2.size()>0;
	return 1;
}

컴파일 시 표준 에러 (stderr) 메시지

bulb.cpp: In function 'int FindWinner(int, std::vector<int>, std::vector<int>)':
bulb.cpp:32:7: error: 'sort' is not a member of 'std'
  std::sort(t1.begin(),t1.end());
       ^~~~
bulb.cpp:33:7: error: 'sort' is not a member of 'std'
  std::sort(t2.begin(),t2.end());
       ^~~~
bulb.cpp:34:46: error: 'binary_search' was not declared in this scope
  if(c==-2 || t1.size()>1 || t1.size()==1 && !binary_search(t2.begin(),t2.end(),t1[0])) return 0;
                                              ^~~~~~~~~~~~~
bulb.cpp:20:6: warning: unused variable 'N' [-Wunused-variable]
  int N = L.size(), c, n, t;
      ^