t = int(input())
for _ in range(t):
a,b = map(int,input().split())
if a == b:
print(0,0)
continue
m = abs(a-b)
if a%m==0:
print(m,0)
else:
x = m-(a%m)
y = a-((a//m)*m)
print(m,min(x,y))#include<bits/stdc++.h>
using namespace std;
#define ll long long
int main()
{
ll t;
cin>>t;
while(t--)
{
ll x,y;
cin>>x>>y;
if(x==y){
cout<<"0"<<" "<<"0"<<endl;
continue;
}
else
{
ll a=abs(x-y);
ll b=x%a;
ll c=y%a;
if(b!=c)
{
cout<<"0"<<" "<<"0"<<endl;
}
else
{
ll ans=min(a-b,b);
cout<<a<<" "<<ans<<endl;
}
}
}
}
714B - Filya and Homework | 31A - Worms Evolution |
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