1 votes 1 votes Isn't this que incomplete because no order is defined in which elements have to be pushed .. Programming in C stack + – Pawan Kumar 2 asked Jan 13, 2018 Pawan Kumar 2 222 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply hs_yadav commented Jan 13, 2018 reply Follow Share I think question is like this...here u r allowed to push element in increasing sequence(sorted order) like 1 2 3.... 10... ..and if this is true then ....only 4th is invalid....option B 1 votes 1 votes utk0203 commented Jan 13, 2018 reply Follow Share Yes That is assumed Input array contains like: 1,2..10 0 votes 0 votes Please log in or register to add a comment.