Akku and Binary Numbers.java

class Solution{

    void precompute(){
        // Code Here
    }
    long solve(long L, long R){
        // Code here
        long ans=0;

        for(int i=0;i<63;i++){
            for(int j=i+1;j<63;j++){
                for(int k=j+1;k<63;k++){
                    long curr=0;
                    curr|=(1L<<i);
                    curr|=(1L<<j);
                    curr|=(1L<<k);
                    if(curr>=L && curr<=R){
                        ans++;
                    }
                }
            }
        }
        return ans;
    }

}