WCE0001 - Editorial

#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define mod 1000000007
#define f first
#define s second
#define pb push_back

int main()
{
ll tc;
cin>>tc;
while(tc–)
{
ll d,k,i;
cin>>d>>k;
for(i=0; d-ik>=0;i++)
{
if((d-i
k)%(k-1) == 0)
break;
}
// cout<<i;
if(d-i*k <0 )
cout<<“NO”;
else
cout<<“YES”;
cout<<"\n";
}
}