답안 #332563

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
332563	2020-12-02T21:41:01 Z	codemaster111	Easter Eggs (info1cup17_eastereggs)	C++14	컴파일 오류	0 ms	0 KB

eastereggs

#include <bits/stdc++.h>
#include "grader.h"

using namespace std;
#define pb push_back
#define f first
#define s second
#define FOR(i, a, b) for(int i=(a); i<(b); ++i)
#define trav(i, x) for(auto& i:x)

const int mx = 550;
vector<int> adj[mx], ans;

void dfs(int i, int p) {
	ans.pb(i);
	trav(u, adj[i]) {
		if (u != p)
			dfs(u);
	}
}

int findEgg (int N, vector < pair < int, int > > bridges)
{
	FOR(i, 0, mx)
		adj[i].clear();
	trav(ii, bridges)
		adj[ii.f].pb(ii.s), adj[ii.s].pb(ii.f);

	dfs(1, 0);

	//2^9=512
	// bin search on search vector for ans
	int lo = 0, hi = ans.size()-1;
	while (lo < hi) {
		int mid = (lo+hi)/2;
		vector<int> cur(ans.begin(), ans.begin()+mid);
		if (query(cur))
			hi = mid;
		else
			lo = mid+1;
	}
}

Compilation message

eastereggs.cpp: In function 'void dfs(int, int)':
eastereggs.cpp:18:9: error: too few arguments to function 'void dfs(int, int)'
   18 |    dfs(u);
      |         ^
eastereggs.cpp:14:6: note: declared here
   14 | void dfs(int i, int p) {
      |      ^~~
eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:42:1: warning: no return statement in function returning non-void [-Wreturn-type]
   42 | }
      | ^