令人哭笑不得的 AC 代码：

#include<bits/stdc++.h>
using namespace std;
int n,k;
struct nd
{
	int l,r;
	bool operator<(nd x){return r-l<x.r-x.l;}
}s[10005],t[10005];
bool check(int a)
{
	for(int i=0;i<n;i++)
	{
		if(t[i].l/a==t[i].r/a&&t[i].l%a!=0)return 0;
	}
	return 1;
}
void out(int a)
{
	for(int i=0;i<n;i++)
	{
		cout<<s[i].r/a*a<<" ";
	}
	cout<<endl;
}
void solve()
{
	cin>>n>>k;
	int x=4e7;
	for(int i=0;i<n;i++)
	{
		cin>>s[i].l>>s[i].r;
		if(s[i].l==s[i].r)x=3e7;
		t[i].l=s[i].l;
		t[i].r=s[i].r;
	}
	sort(t,t+n);
	for(int i=k;i<x;i++)
	{
		if(check(i))
		{
			cout<<"Yes"<<endl;
			out(i);
			return;
		}
	}
	cout<<"No"<<endl;
}
signed main() 
{
	int T;
	cin>>T;
	while(T--)
	{
		solve();
	}
	return 0;
}