#include "Alice.h"
#include <bits/stdc++.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().
std::vector<std::pair<int,int>> Alice(){
// add your code here
// change below into your code
int n = 5000;
long long X = setN(n);
vector<pair<int, int>> edges;
for (int i = 2; i <= n; ++i) edges.emplace_back(X % (i - 1) + 1, i);
return edges;
}
#include "Bob.h"
#include <bits/stdc++.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){
// add your code here
long long X = 0, lcm = 1;
for (auto &it : V) {
int mod = it.second - 1;
while (X % mod != it.first - 1) X += lcm;
lcm = lcm / __gcd(lcm, 0ll + mod) * mod;
}
return X;
}
