Language: C++

#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp> 
#include <ext/pb_ds/tree_policy.hpp> 
#define ll long long int
#define MOD 1000000007
#define oo 1000000000000000000
#define forr(i,n) for(ll i=0;i<n;i++)
#define fastio ios_base::sync_with_stdio(false); cin.tie(0) ; cout.tie(0);
#define all(x) x.begin(),x.end()
#define eb emplace_back
#define pb push_back
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> 
 
using namespace __gnu_pbds; 
using namespace std;

ll valueOfIndex(ordered_set&s , ll i){ return *(s.find_by_order(i)); }
ll indexOfValue(ordered_set&s , ll x){ return s.order_of_key(x); }
ll add(ll a, ll b,ll p=MOD) { a%=p; b%=p; return (a+b + p)%p;}
ll mul(ll a, ll b,ll p=MOD) { a%=p; b%=p; return (a*b + p)%p;} // __int128
ll power(ll x,ll n,ll p=MOD){ if(x==0) return 0; if(n==0 || x==1) return 1LL;
    ll r = (power(x,n/2,p))%p; if(n&1) return mul(mul(r,r,p) , x,p); else return mul(r,r,p);
}
ll inv(ll x){return power(x,MOD-2);}

vector<int> g[100010];
int ans[100010];
bool visit[100010];


void __sol(){
    int n,m; cin >> n >> m;
    forr(i,m){
        int u,v; cin >> u >> v;
        g[v].eb(u); g[u].eb(v);
    }
    visit[1]=0,ans[1]=-1;
    for(int i=2;i<=n;i++) ans[i]=-1,visit[i]=0;
    queue<int> q; q.push(1);
    visit[1]=1;
    while(!q.empty()){
        int node = q.front(); q.pop();
            for(auto &i: g[node]){
                if(!visit[i]){
                    ans[i] = node;
                    visit[i]=1;
                    q.push(i);
                }
            }
    }
    for(int i=2;i<=n;i++){
        if(!visit[i]){
            cout << "No";
            return;
        }
    }
    cout << "Yes\n";
    for(int i=2;i<=n;i++) cout << ans[i] << "\n";


}


int main(){
    fastio
    ll tc=1; //cin >> tc;
    while(tc--) __sol();
    return 0;
}

Compiler output:
a.cc: In function 'void __sol()':
a.cc:37:5: error: reference to 'visit' is ambiguous
   37 |     visit[1]=0,ans[1]=-1;
      |     ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80,
                 from a.cc:1:
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:28:6: note:                 'bool visit [100010]'
   28 | bool visit[100010];
      |      ^~~~~
a.cc:38:37: error: reference to 'visit' is ambiguous
   38 |     for(int i=2;i<=n;i++) ans[i]=-1,visit[i]=0;
      |                                     ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:28:6: note:                 'bool visit [100010]'
   28 | bool visit[100010];
      |      ^~~~~
a.cc:40:5: error: reference to 'visit' is ambiguous
   40 |     visit[1]=1;
      |     ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:28:6: note:                 'bool visit [100010]'
   28 | bool visit[100010];
      |      ^~~~~
a.cc:44:21: error: reference to 'visit' is ambiguous
   44 |                 if(!visit[i]){
      |                     ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:28:6: note:                 'bool visit [100010]'
   28 | bool visit[100010];
      |      ^~~~~
a.cc:46:21: error: reference to 'visit' is ambiguous
   46 |                     visit[i]=1;
      |                     ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:28:6: note:                 'bool visit [100010]'
   28 | bool visit[100010];
      |      ^~~~~
a.cc:52:13: error: reference to 'visit' is ambiguous
   52 |         if(!visit[i]){
      |             ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:28:6: note:                 'bool visit [100010]'
   28 | bool visit[100010];
      |      ^~~~~