#include <bits/stdc++.h>
#include "Alice.h"
using namespace std;
// you may define some global variables, but it does not work if you try to transfer any information from function Alice() to function Bob() through these variables.
// you had better not use the same global variables in function Alice() and in function Bob().
using ll = long long;
random_device rd;
mt19937 g(rd());
mt19937 rng((int) chrono::steady_clock::now().time_since_epoch().count());
int rnd(int u, int v) {
return uniform_int_distribution<int> (u, v) (rng);
}
std::vector<std::pair<int,int>> Alice(){
vector<pair<int, int>> edge;
ll x = setN(5000);
vector<int> tar;
for (ll i = 59; i >= 0; i--) if (x & (1LL << i)) {
for (int j = 0; j < 30; j++) tar.push_back(i+1000);
}
shuffle(tar.begin(), tar.end(), g);
int free = 5000 - tar.size();
for (int i = 2; i <= free; i++) edge.push_back({rnd(max(1, i-999), i-1), i});
for (auto& x : tar) {
free++;
edge.push_back({free-x, free});
}
return edge;
}
#include <bits/stdc++.h>
#include "Bob.h"
using namespace std;
// you may define some global variables, but it does not work if you try to transfer any information from function Alice() to function Bob() through these variables.
// you had better not use the same global variables in function Alice() and in function Bob().
long long Bob(std::vector<std::pair<int,int>> V){
set<int> bt;
for (auto& [x, y] : V) {
if (abs(x - y) < 1000) continue;
bt.insert(abs(x - y) - 1000);
}
long long res = 0;
for (auto x : bt) res += (1LL << x);
return res;
}
