#include <vector>
#include "Alice.h"
#define pb push_back
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(){
long long x = setN(5000);
vector < pair < int, int > > v;
int n = 5000;
for (int i = 1; i <= n; ++ i)
{
if(i == x)continue;
v.pb(make_pair(i, x));
}
return v;
}
#include <vector>
#include "Bob.h"
// 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().
int deg[5005];
long long Bob(std::vector<std::pair<int,int>> V){
// add your code here
int ans = 0;
for (auto &[ver, ner]: V)
{
deg[ver] ++;
deg[ner] ++;
if(deg[ver] > 1)ans = ver;
if(deg[ner] > 1)ans = ner;
}
return ans; // change this into your code
}
