This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
#include "Alicelib.h"
using namespace std;
#define st first
#define nd second
#define mp make_pair
using pii = pair<int, int>;
const int MAXN = 1020;
int deg[MAXN];
vector<pii> edge;
void Alice( int N, int M, int A[], int B[] ){
for(int i=0; i<M; ++i) {
edge.push_back(mp(A[i], B[i]));
deg[A[i]]++;
deg[B[i]]++;
}
for(int i=0; i<N; ++i) {
if(!deg[i]) continue;
for(int j=0; j<10; ++j) {
if((1<<j)&i) {
edge.push_back(mp(i, N+j));
}
}
}
for(int i=0; i<10; ++i) {
edge.push_back(mp(N+10, N+i));
}
for(int i=0; i<5; ++i) {
for(int j=9; j>=9-i; --j) {
edge.push_back(mp(N+i, N+j));
}
}
edge.push_back(mp(N+11, N+10));
InitG(N+12, edge.size());
for(int i=0; i<(int)edge.size(); ++i) {
MakeG(i, edge[i].st, edge[i].nd);
}
}
#include "Boblib.h"
#include<bits/stdc++.h>
using namespace std;
#define st first
#define nd second
#define mp make_pair
using pii = pair<int, int>;
const int MAXN = 1020;
int N;
int root, bits[MAXN], first_bit, id[MAXN];
bool node[MAXN], is_bit[MAXN], sec_half[MAXN];
vector<int> g[MAXN], gb[MAXN];
vector<pii> edges;
void Bob( int V, int U, int C[], int D[] ){
N = V - 12;
for(int i=0; i<U; ++i) {
g[C[i]].push_back(D[i]);
g[D[i]].push_back(C[i]);
}
for(int i=0; i<V; ++i) {
node[i] = 1;
if((int)g[i].size()==1) {
root = i;
node[i] = 0;
}
}
int spec = g[root][0];
node[spec] = 0;
for(int i: g[spec]) {
if(i == root) continue;
is_bit[i] = 1;
node[i] = 0;
}
for(int i=0; i<U; ++i) {
if(is_bit[C[i]] && is_bit[D[i]]) {
gb[C[i]].push_back(D[i]);
gb[D[i]].push_back(C[i]);
}
}
for(int i=0; i<V; ++i) {
if((int)gb[i].size()==1 && (int)g[i].size() >= N/2+2) {
first_bit = i;
}
}
for(int i: gb[first_bit]) {
sec_half[i] = 1;
}
for(int i=0; i<V; ++i) {
if(!is_bit[i]) continue;
int num = gb[i].size();
if(!sec_half[i]) {
bits[i] = num-1;
}
else {
bits[i] = 5+num-1;
}
}
for(int i=0; i<V; ++i) {
if(!node[i]) continue;
for(int j: g[i]) {
if(is_bit[j]) {
id[i] += (1<<bits[j]);
}
}
}
for(int i=0; i<U; ++i) {
if(node[C[i]] && node[D[i]]) edges.push_back(mp(id[C[i]], id[D[i]]));
}
InitMap(V-12, edges.size());
for(auto i: edges) {
MakeMap(i.st, i.nd);
}
}
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