제출 #114836

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
114836		shayan_p	항공 노선도 (JOI18_airline)	C++14	컴파일 에러	0 ms	0 KiB

Alice

// High above the clouds there is a rainbow...

#include<bits/stdc++.h>

#include<Boblib.h>

#define F first
#define S second
#define PB push_back
#define sz(s) int((s).size())
#define bit(n,k) (((n)>>(k))&1)

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

const int maxn=1111,lg=13;

static bool bad[maxn];
static int lab[maxn];

static vector<int>v[maxn];
static vector<pii>ans;

static void solve(int u,int bt=0){
    bad[u]=1;
    int nxt=-1;
    for(int y:v[u]){
	if(bad[y])
	    lab[y]+= (1<<bt);
	else
	    nxt=y;
    }
    if(nxt!=-1) solve(nxt,bt+1);
}

void Bob(int n,int m,int a[],int b[]){
    for(int i=0;i<m;i++)
	v[a[i]].PB(b[i]), v[b[i]].PB(a[i]);
    int w=0;
    for(int i=0;i<n;i++){
	if(sz(v[i])>sz(v[w])) w=i;
    }
    bad[w]=1;
    for(int y:v[w]){
	bad[y]=1;
    }
    for(int i=0;i<n;i++){
	if(bad[i]) continue;
	int C=0;
	for(int y:v[i])
	    C+= !bad[y];
	if(C==1 && sz(v[i])!=1) solve(i);
    }
    int N=0,M=0;
    for(int i=0;i<m;i++){
	if(lab[a[i]]!=0 && lab[b[i]]!=0)
	    ans.PB( { lab[a[i]]-1, lab[b[i]]-1 } ),M++;
    }
    for(int i=0;i<n;i++){
	if(lab[i]!=0)
	    N++;
    }
    InitMap(N,M);
    for(pii p:ans){
	MakeMap(p.F,p.S);
    }
}

Bob

// High above the clouds there is a rainbow...

#include<bits/stdc++.h>

#include<Boblib.h>

#define F first
#define S second
#define PB push_back
#define sz(s) int((s).size())
#define bit(n,k) (((n)>>(k))&1)

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

const int maxn=1111,lg=13;

static bool bad[maxn];
static int lab[maxn];

static vector<int>v[maxn];
static vector<pii>ans;

static void solve(int u,int bt=0){
    bad[u]=1;
    int nxt=-1;
    for(int y:v[u]){
	if(bad[y])
	    lab[y]+= (1<<bt);
	else
	    nxt=y;
    }
    if(nxt!=-1) solve(nxt,bt+1);
}

void Bob(int n,int m,int a[],int b[]){
    for(int i=0;i<m;i++)
	v[a[i]].PB(b[i]), v[b[i]].PB(a[i]);
    int w=0;
    for(int i=0;i<n;i++){
	if(sz(v[i])>sz(v[w])) w=i;
    }
    bad[w]=1;
    for(int y:v[w]){
	bad[y]=1;
    }
    for(int i=0;i<n;i++){
	if(bad[i]) continue;
	int C=0;
	for(int y:v[i])
	    C+= !bad[y];
	if(C==1 && sz(v[i])!=1) solve(i);
    }
    int N=0,M=0;
    for(int i=0;i<m;i++){
	if(lab[a[i]]!=0 && lab[b[i]]!=0)
	    ans.PB( { lab[a[i]]-1, lab[b[i]]-1 } ),M++;
    }
    for(int i=0;i<n;i++){
	if(lab[i]!=0)
	    N++;
    }
    InitMap(N,M);
    for(pii p:ans){
	MakeMap(p.F,p.S);
    }
}

컴파일 시 표준 에러 (stderr) 메시지

/tmp/cck9pbcE.o: In function `main':
grader_alice.cpp:(.text.startup+0xe0): undefined reference to `Alice(int, int, int*, int*)'
/tmp/cczdYvF4.o: In function `Bob(int, int, int*, int*)':
Alice.cpp:(.text+0x2da): undefined reference to `InitMap(int, int)'
Alice.cpp:(.text+0x302): undefined reference to `MakeMap(int, int)'
collect2: error: ld returned 1 exit status