Problem: 2061D - Kevin and Numbers
Language: C++20 (GCC 13-64)

Previous submission (verdict: Time limit exceeded on test 1):
#include <bits/stdc++.h>

using namespace std;



#define rep(i,a,b)for(int i=a;i<b;i++)

#define repp(x,arr) for(auto& x:arr)



#define ll              long long

//#define int ll

#define ull              unsigned long long 



#define db              double

#define pb              push_back

#define all(v)             v.begin(),v.end()

#define F               first

#define S               second

#define mod              1000000007

#define popcount(x)     __builtin_popcountll(x)

#define pll             pair<ll,ll>

#define pii             pair<int,int>

#define nl              "\n"

#define PI              3.1415926536 //acos(-1.0)

#define eps 0.00000001

#define mpp                 make_pair

#define lb lower_bound

#define ub upper_bound

#define PQ priority_queue<int> //by default provide largest element;

#define RS set <ll, greater <ll> >

#define PQS priority_queue<ll,vector<ll>,greater<ll>> 

#define ZERO(a) memset(a,0,sizeof(a))

#define inf 0x3f3f3f3f





using vi = vector<int>;

using vii = vector<pii>;

using vb = vector<bool>;

using vl = vector<ll>;

using vs = vector<string>;

const int dx[4] = {1,0,-1,0}, dy[4] = {0,1,0,-1}; // for every grid problem!!

const int dxn[8]={0,1,1,1,0,-1,-1,-1},dyn[8]={1,1,0,-1,-1,-1,0,1};

template <typename A, typename B> A amax (A &a, B b){ if (b > a) a = b ; return a; }

template <typename A, typename B> A amin (A &a, B b){ if (b < a) a = b ; return a; }

template <typename A, typename B> A mod1 (A &a, B b){ a=(a%b+b)%b ; return a; }





int M[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };

bool isleap(int by){return (by%4==0 && (by%100!=0 || by%400==0));};

inline int gcd(int x,int y){return (y==0)?x:gcd(y,x%y);}





inline int mul(int a, int b) { return (int) ((long long) (a%mod * b%mod) % mod);}

inline int add(int a,int b){return (a%mod+b%mod)%mod;}

inline int sub(int a,int b){return (a-b+mod)%mod;}

inline int binpow(int a,int b){

	a%=mod;int res=1;

while(b){if(b&1)res=res*a%mod;a=a*a%mod;b/=2;}

return res;

}

inline int inv(int a){return binpow(a,mod-2)%mod;}



const int N = 2e5;

const double EPS = 1.0*(N-1)/N;

#define UP(x) (x + EPS)



vector<int> z_function(string s) {

    int n = s.size();

    vector<int> z(n);

    int l = 0, r = 0;

    for(int i = 1; i < n; i++) {

        if(i < r) {

            z[i] = min(r - i, z[i - l]);

        }

        while(i + z[i] < n && s[z[i]] == s[i + z[i]]) {

            z[i]++;

        }

        if(i + z[i] > r) {

            l = i;

            r = i + z[i];

        }

    }

    return z;

}







void solve(){

  int n,m;cin>>n>>m;

  vi a(n);repp(x,a)cin>>x;

  vi b(m);repp(x,b)cin>>x;

  multiset<int>ms1(all(a)),ms2(all(b));

  while(!ms1.empty() and !ms2.empty()){

  	auto it=*ms2.rbegin();ms2.erase(ms2.find(it));

  	auto it2=*ms1.rbegin();

  	if(it2==it){ms1.erase(ms1.find(it2));continue;}

  	int x=it/2,y=(it+1)/2;

  	ms2.insert(x);ms2.insert(y);

  	if(ms1==ms2){

  		cout<<"Yes\n";return;

  	}

  }

  if(ms2.empty() and ms1.empty())cout<<"Yes\n";

  else cout<<"No\n";

}





	







int32_t main()

{

 	#ifndef ONLINE_JUDGE

freopen("input.txt", "r", stdin);

freopen("output.txt", "w", stdout);

#endif





   

   ios_base::sync_with_stdio(0); 

    cin.tie(0); cout.tie(0);



  	

   int T=1;cin >> T;

   while(T--)solve();

  





    return 0;

    

    }



Submission (verdict: Time limit exceeded on test 27):
#include <bits/stdc++.h>

using namespace std;



#define rep(i,a,b)for(int i=a;i<b;i++)

#define repp(x,arr) for(auto& x:arr)



#define ll              long long

#define int ll

#define ull              unsigned long long 



#define db              double

#define pb              push_back

#define all(v)             v.begin(),v.end()

#define F               first

#define S               second

#define mod              1000000007

#define popcount(x)     __builtin_popcountll(x)

#define pll             pair<ll,ll>

#define pii             pair<int,int>

#define nl              "\n"

#define PI              3.1415926536 //acos(-1.0)

#define eps 0.00000001

#define mpp                 make_pair

#define lb lower_bound

#define ub upper_bound

#define PQ priority_queue<int> //by default provide largest element;

#define RS set <ll, greater <ll> >

#define PQS priority_queue<ll,vector<ll>,greater<ll>> 

#define ZERO(a) memset(a,0,sizeof(a))

#define inf 0x3f3f3f3f





using vi = vector<int>;

using vii = vector<pii>;

using vb = vector<bool>;

using vl = vector<ll>;

using vs = vector<string>;

const int dx[4] = {1,0,-1,0}, dy[4] = {0,1,0,-1}; // for every grid problem!!

const int dxn[8]={0,1,1,1,0,-1,-1,-1},dyn[8]={1,1,0,-1,-1,-1,0,1};

template <typename A, typename B> A amax (A &a, B b){ if (b > a) a = b ; return a; }

template <typename A, typename B> A amin (A &a, B b){ if (b < a) a = b ; return a; }

template <typename A, typename B> A mod1 (A &a, B b){ a=(a%b+b)%b ; return a; }





int M[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };

bool isleap(int by){return (by%4==0 && (by%100!=0 || by%400==0));};

inline int gcd(int x,int y){return (y==0)?x:gcd(y,x%y);}





inline int mul(int a, int b) { return (int) ((long long) (a%mod * b%mod) % mod);}

inline int add(int a,int b){return (a%mod+b%mod)%mod;}

inline int sub(int a,int b){return (a-b+mod)%mod;}

inline int binpow(int a,int b){

	a%=mod;int res=1;

while(b){if(b&1)res=res*a%mod;a=a*a%mod;b/=2;}

return res;

}

inline int inv(int a){return binpow(a,mod-2)%mod;}



const int N = 2e5;

const double EPS = 1.0*(N-1)/N;

#define UP(x) (x + EPS)



vector<int> z_function(string s) {

    int n = s.size();

    vector<int> z(n);

    int l = 0, r = 0;

    for(int i = 1; i < n; i++) {

        if(i < r) {

            z[i] = min(r - i, z[i - l]);

        }

        while(i + z[i] < n && s[z[i]] == s[i + z[i]]) {

            z[i]++;

        }

        if(i + z[i] > r) {

            l = i;

            r = i + z[i];

        }

    }

    return z;

}







void solve(){

  int n,m;cin>>n>>m;

  vi a(n);repp(x,a)cin>>x;

  vi b(m);repp(x,b)cin>>x;

  multiset<int>msa(all(a)),msb(all(b));

  while(!msa.empty() and !msb.empty()){

  	auto itb=*msb.rbegin();msb.erase(msb.find(itb));

  	auto ita=*msa.rbegin();

  	if(ita==itb){msa.erase(msa.find(ita));}

  	else{

  		int x=itb/2,y=(itb+1)/2;

  		msb.insert(x);msb.insert(y);

  	}

  	if(msa==msb){

  		cout<<"Yes\n";return;

  	}else if(msb.size()>msa.size()){

  		cout<<"No\n";return;

  	}

  }

  if(msb.empty() and msa.empty())cout<<"Yes\n";

  else cout<<"No\n";

}





	







int32_t main()

{

 	#ifndef ONLINE_JUDGE

freopen("input.txt", "r", stdin);

freopen("output.txt", "w", stdout);

#endif





   

   ios_base::sync_with_stdio(0); 

    cin.tie(0); cout.tie(0);



  	

   int T=1;cin >> T;

   while(T--)solve();

  





    return 0;

    

    }