#include <bits/stdc++.h>
#include "Alicelib.h"
#pragma GCC target("sse4")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
using namespace std;
 
#define threesum cin.tie(NULL); cout.tie(NULL); ios_base::sync_with_stdio(false)
#define all(a) a.begin(), a.end()
#define F first
#define S second
//#define int long long
#define pii pair<int, int>
#define ppp pair<int, pii>
#define mid ((l + r) >> 1)
#define lc (id << 1)
#define rc (lc + 1)
const int maxn = 1e3, maxm = 1e4, lg = 10, oo = 1e15;
int n, m, nn;
int id[maxn];
vector<pii> e;
void prep(){
    int j = 1;
    for (int i = 0; i < maxn;i++){
        while (__builtin_popcount(j) <= 1)
            j++;
        id[i] = j;
    }
}
void Alice(int N, int M, int A[], int B[]) {
    prep();
    n = N;
    m = M;
    for (int i = 0; i < m; i++)
        e.push_back({A[i], B[i]});
    // d[nn - 1] = 1;
    nn = n + lg + 2 - 1;
    e.push_back({nn - 1, nn});
    for (int b = 0; b < lg;b++)
        e.push_back({n + b, nn});
    for (int b = 1; b < lg; b++)
        e.push_back({n + b - 1, n + b});
    for (int b = 2; b < lg; b++)
        e.push_back({n, n + b});
    InitG(nn + 1, e.size());
    for (int i = 0; i < e.size(); i++)
        MakeG(i, e[i].F, e[i].S);
}
#include <bits/stdc++.h>
#include "Boblib.h"
#pragma GCC target("sse4")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
using namespace std;
 
#define threesum cin.tie(NULL); cout.tie(NULL); ios_base::sync_with_stdio(false)
#define all(a) a.begin(), a.end()
#define F first
#define S second
//#define int long long
#define pii pair<int, int>
#define ppp pair<int, pii>
#define mid ((l + r) >> 1)
#define lc (id << 1)
#define rc (lc + 1)
const int maxn = 1e3, maxm = 1e4, lg = 10, oo = 1e15;
int n, m, nn;
int id[maxn], rev[maxn];
vector<int> adj[maxn];
vector<pii> e[2];
bool bt[maxn];
int w[maxn];
void prep(){
    int j = 1;
    for (int i = 0; i < maxn;i++){
        
        while (__builtin_popcount(j) <= 1)
            j++;
            
        rev[j] = i;
    }
}
void Bob(int V, int U, int C[], int D[]) {
    prep();
    n = V;
    m = U;
    for (int i = 0; i < m; i++) {
		int u = C[i], v = D[i];
		adj[u].push_back(v); adj[v].push_back(u);
		e[0].push_back({u, v});
	}
    int d1 = 0;
    for (int i = 0; i < n; i++)
        if (adj[i].size() == 1)
            d1 = i;
    int db = adj[d1].back();
    for(auto v : adj[db])
        if(v ^ d1)
            bt[v] = 1;
	for (int i = 0; i < n; i++)
        adj[i].clear();
    for (auto [u, v] : e[0])
		if (bt[u] && bt[v]) {
            adj[u].push_back(v);
            adj[v].push_back(u);
        }
    int b0 = 0;
    for (int i = 0; i < n;i++)
        if(adj[i].size() > adj[b0].size())
            b0 = i;
    w[b0] = 1;
    int mxb = 0;
    for (int i = 0; i < n;i++)
        if(adj[i].size() == 2)
            mxb = i;
    w[mxb] = (1ll << (lg - 1));
    for (int b = lg - 2; b;b--)
        for(auto v : adj[mxb])
            if(!w[v]){
                mxb = v;
                w[mxb] = (1ll << b);
                break;
            }
    for (int i = 0; i < n;i++){
        if(!w[i] && (i ^ d1) && (i ^ db)){
            for (auto u : adj[i])
                if(w[u])
                    id[i] += w[u];
            id[i] = rev[id[i]];
        }
    }
    w[d1] = w[db] = 1;
    for(auto [u, v] : e[0])
        if (!w[u] && !w[v])
            e[1].push_back({id[u], id[v]});
	InitMap(n - lg - 2, e[1].size());
	for (int i = 0; i < e[1].size(); i++)
        MakeMap(e[1][i].F, e[1][i].S);
}
컴파일 시 표준 에러 (stderr) 메시지
# 1번째 컴파일 단계
Alice.cpp:21:49: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+15' to '2147483647' [-Woverflow]
   21 | const int maxn = 1e3, maxm = 1e4, lg = 10, oo = 1e15;
      |                                                 ^~~~
# 2번째 컴파일 단계
Bob.cpp:21:49: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+15' to '2147483647' [-Woverflow]
   21 | const int maxn = 1e3, maxm = 1e4, lg = 10, oo = 1e15;
      |                                                 ^~~~| # | Verdict | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict | Execution time | Memory | Grader output | 
|---|
| Fetching results... |