#include "Alicelib.h"
#include <bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define fi first
#define se second
void Alice( int N, int M, int A[], int B[]){
int cur=1000;
vector<int> c(N,0);
for(int i=0;i<N;i++){
if(__builtin_popcount(i)<=8) c[i]=i;
else{
while(__builtin_popcount(cur)>8) cur++;
c[i]=cur++;
}
}
vector<pii> p;
for(int i=0;i<M;i++) p.push_back({A[i],B[i]});
for(int i=0;i<N;i++){
p.push_back({i,N+10});p.push_back({i,N+11});
for(int j=0;j<=9;j++) if(c[i]&(1<<j)) p.push_back({i,N+j});
}
for(int i=0;i<=9;i++) p.push_back({N+i,N+11});
for(int i=0;i<9;i++) p.push_back({N+i,N+i+1});
for(int i=2;i<=4;i++) p.push_back({N,N+i});
InitG(N+12,(int)p.size());
for(int i=0;i<(int)p.size();i++) MakeG(i,p[i].fi,p[i].se);
}
#include "Boblib.h"
void Bob( int V, int U, int C[], int D[] ){
int N=V-12,s11=0;
vector<pii> ans;
vector<int> deg(V,0);
vector<vector<int>> edge(V);
for(int i=0;i<U;i++){
deg[C[i]]++,deg[D[i]]++;
edge[C[i]].push_back(D[i]);
edge[D[i]].push_back(C[i]);
//cout << C[i] << ' ' << D[i] << '\n';
}
for(int i=0;i<V;i++) if(deg[i]==N+10) s11=i;
int s10=s11;
for(int i=0;i<V;i++) s10^=i;
for(int v:edge[s11]) s10^=v;
vector<int> c(V,1);
c[s10]=c[s11]=0;
for(int v:edge[s10]) c[v]=0;
vector<int> sl(10,-1),dl(V,0);
for(int i=0;i<V;i++){
if(c[i]) for(int v:edge[i]) dl[i]+=c[v];
}
for(int i=0;i<V;i++){
if(dl[i]==4){
sl[0]=i;
for(int v:edge[i]) if(dl[v]==2) sl[1]=v;
c[sl[0]]=c[sl[1]]=0;
int cur=sl[1];
for(int j=2;j<=9;j++){
int nw=-1;
for(int v:edge[cur]) if(c[v]) nw=v;
sl[j]=cur=nw;c[cur]=0;
}
}
}
//for(int i=0;i<=9;i++) cout << sl[i] << ' ';
//cout << '\n';
vector<int> num(V,0);
for(int i=0;i<=9;i++){
for(int v:edge[sl[i]]) num[v]+=(1<<i);
}
vector<int> f(1025,0);
int cur=1000;
for(int i=0;i<N;i++){
if(__builtin_popcount(i)<=8) f[i]=i;
else{
while(__builtin_popcount(cur)>8) cur++;
f[cur++]=i;
}
}
num[s10]=num[s11]=-1;
for(int i=0;i<=9;i++) num[sl[i]]=-1;
for(int i=0;i<V;i++){
if(num[i]==-1) continue;
for(int v:edge[i]){
if(num[v]!=-1 && i<v) ans.push_back({f[num[i]],f[num[v]]});
}
}
InitMap(N,(int)ans.size());
for(auto &[u,v]:ans) MakeMap(u,v);
}
Compilation message
/usr/bin/ld: /tmp/ccXx4MQP.o: in function `Bob(int, int, int*, int*)':
Alice.cpp:(.text+0xd90): undefined reference to `InitMap(int, int)'
/usr/bin/ld: Alice.cpp:(.text+0xdbb): undefined reference to `MakeMap(int, int)'
collect2: error: ld returned 1 exit status
/usr/bin/ld: /tmp/cck5vDLA.o: in function `main':
grader_bob.cpp:(.text.startup+0xb2): undefined reference to `Bob(int, int, int*, int*)'
collect2: error: ld returned 1 exit status