funny things go around

today was lab internal of oops ,i did night out say didn't sleep.................................... the programi got 15 no. infix to postfix. In begining i was little bit mised up, but as i see some word in badani n then rajat i got that. he(teach) was cleaning old prog so we hav to wait n in dat process i did get wat iwas of been! now at computer it shows 3 error .............. i corrected it , then went to execute. infix was showing but postfix not, i was messup bad mind goes to curb god. at last j=0 was done n got output, but even then bracket was showing...... wat should i do i wait to go over i want to leave it as but teacher tell to correct. i try replaces brackets ")" with "(" in f function n g too change position i got correct same ans as i calculted manully given expression by teacher . output came good , after viva i got perhaps 21 as i guess by hand movement of teacher. thanx god!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!