제출 #1139864

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1139864		Agageldi	Easter Eggs (info1cup17_eastereggs)	C++20	컴파일 에러	0 ms	0 KiB

eastereggs

#include <bits/stdc++.h>
#include "grader.h"
#include "grader.cpp"
using namespace std;

#define ll long long
#define N 6005
#define pb push_back
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define sz(p) (int)p.size()

int  m, l, r, a[N], vis[N], cnt;
vector <int> f[N], p;
set <int> s;

void solve(int x) {
	vis[x] = 1;
	a[cnt] = x;
	cnt++;
	for(auto i : f[x]) {
		if(vis[i]) continue;
		solve(i);
	}
}

int findEgg (int n, vector < pair < int, int > > bridges)
{
	for(int i=1;i<=n;i++) {
		vis[i] = a[i] = 0;
		f[i].clear();
	}
	cnt = 1;
	for(auto i:bridges) {
		f[i.ff].pb(i.ss);
		f[i.ss].pb(i.ff);
	}
	solve(1);
	l = 1;
	r = n;
	int jog = 1;
	while(l <= r) {
		int md = (l+r)/2;
		p.clear();
		for(int i = l; i <= md; i++) {
			p.pb(a[i]);
		}
		int tt = query(p);
		if(tt == 1 && sz(p) == 1) {
			return p[0];
		}
		if(tt)r = md - 1;
		else l = md + 1;
	}
	// if(query({a[l]})) return a[l];
	return a[l];
}

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/cctGLpZi.o: in function `query(std::vector<int, std::allocator<int> >)':
grader.cpp:(.text+0x0): multiple definition of `query(std::vector<int, std::allocator<int> >)'; /tmp/ccsw3P77.o:eastereggs.cpp:(.text+0x50): first defined here
/usr/bin/ld: /tmp/cctGLpZi.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccsw3P77.o:eastereggs.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status