OJ Board

#include<iostream>
#include<vector>
#include<queue>
using namespace std;
int main()
{
int nc,nEdge,a,b,i,root,ttl,cases=1;
while(1)
{


vector<int>edges[10000];
cin>>nc;

if(nc==0)break;

for(i=0;i<nc;i++)
{
cin>>a>>b;
if(a==0&&b==0)break;
edges[a].push_back(b);
edges[b].push_back(a ...