1 votes 1 votes Can somebody confirm whether below given solution is correct or not? I also got answer 12 but not by following below given method. User007 asked Feb 3, 2017 User007 284 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply dd commented Feb 3, 2017 reply Follow Share https://gateoverflow.in/106960/ouput-of-program 0 votes 0 votes dd commented Feb 3, 2017 reply Follow Share this code although wrong a bit (as mentioned in the above link) tries to create a copy of each non-null node and adding it to the left pointer. So basically answer = 2*(sum of node values ) 0 votes 0 votes Please log in or register to add a comment.