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ham_so.cpp
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ham_so.cpp
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#include <iostream>
using namespace std;
/*Tinh gia tri f(x,y) bang de quy*/
int f(int x, int y )
{
if ((x==0) && (y==0)) return 0;
else
{
if ((x%3==0) && (y%2==0)) return f(x/3,y/2);
else
{
if ((x%3==1) && (y%2==0)) return f((x-1)/3,y/2)+1;
else
{
if ((x%3==2) && (y%2==0)) return f((x-2)/3,y/2);
else
{
if ((x%3==0) && (y%2==1)) return f(x/3,(y-1)/2)+1;
else
{
if ((x%3==1) && (y%2==1)) return f((x-1)/3,(y-1)/2)+2;
else
{
if ((x%3==2) && (y%2==1)) return f((x-2)/3,(y-1)/2)+1;
}
}
}
}
}
}
}
int main()
{
int T;
cin >> T;
while(T>0)
{
int x, y;
cin >> x >> y;
cout << f(x,y);
T--;
}
return 0;
}