2 votes 2 votes closed as a duplicate of: Number of topological ordering Sanket Kamta asked Jan 11, 2018 • closed Apr 30, 2018 by minal Sanket Kamta 295 views comment Share Follow See 1 comment See all 1 1 comment reply Mk Utkarsh commented Jan 11, 2018 reply Follow Share duplicate https://gateoverflow.in/193031/number-of-topological-ordering 0 votes 0 votes Please log in or register to add a comment.