615A Joysticks codeforces solution in cpp
by ujjal roy
#include<bits/stdc++.h>
using namespace std;
int main()
{
int a,b,n,i,c=0;
cin>>a>>b;
while(1)
{
if((a==1&&b==1)||(a==0||b==0)) break;
c++;
if(a<b)
{
a++;
b-=2;
}
else
{
b++;
a-=2;
}
}
cout<<c<<endl;
return 0;
}
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