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spencer
how to print all possible combination that sum to zero??
1 Answer(s)      2 years and 7 months ago
Posted in : Java Beginners


? Consider the sequence of digits from 1 through N (N<=9) in increasing order: 1 2 3 4 â?¦ N ?

Insert either a â??+' (for addition) or a â??-â?? (for subtraction) between each of the digits so that the resultant sum is zero. Print all possible combinations that

sum to zero

Example
Enter a num : 7
1+2-3+4-5-6+7=0
1+2-3-4+5+6-7=0
1-2+3+4-5+6-7=0
1-2-3-4-5+6+7=0

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April 18, 2012 at 7:31 PM


Consider the sequence of digits from 1 through N(N<=9) in increasing order :1 2 3 4....N Insert either a '+'(for addition) or a '-'(for subtraction) between each of the digits so that the resultant sum is zero. Print all posible combinations that sum to zero. Example: Enter a num : 7 1+2-3+4-5-6+7=0 1+2-3-4+5+6-7=0 1-2+3+4-5+6-7=0 1-2-3-4-5+6+7=0



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