角谷猜想
#include <iostream>
using namespace std;
int main(){
int a,c=0,b;
cin>>a>>b;
for(int i=a;i<b;i++){
while(a!=1){
if(a%2!=0){
//cout<<a<<"*3+1="<<a*3+1<<endl;
a=a*3+1;
c++;
}else if(a%2==0){
//cout<<a<<"/2="<<a/2<<endl;
a=a/2;
c++;
}
}
}
return 0;
}

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