Given four numbers(say 1,2,3,6). How Can we generate all possible combinations using addition,subtraction,multiplication,division and brackets. I have found a similar problem: Free Parentheses (ACM ICPC Jakarta 2008 LA 4143) please help.. asked 30 Jun '13, 18:50

Hi, sorry i haven't really tried solving your problem but on googling i found this: answered 30 Jun '13, 19:23
