Commitfe1f4cc

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Added command line argument usage and subset total.

1 parent48ed852 commitfe1f4ccCopy full SHA for fe1f4cc

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Lines changed: 5 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -45,8 +45,10 @@ def backtrack_compact(working_set, k, n):`
`45`	`45`
`46`	`46`
`47`	`47`	`defmain():`
`48`		`-n=int(sys.argv[1])`
`49`		`-# n = 2`
	`48`	`+if0<1<len(sys.argv):`
	`49`	`+n=int(sys.argv[1])`
	`50`	`+else:`
	`51`	`+exit('Usage: subsets.py number')`
`50`	`52`
`51`	`53`	`globalsolutions`
`52`	`54`	`solutions= []`
`@@ -56,6 +58,7 @@ def main():`
`56`	`58`
`57`	`59`	`backtrack_compact({},0,n)`
`58`	`60`	`print(solutions)`
	`61`	`+print('Number of subsets: {}'.format(len(solutions)))`
`59`	`62`
`60`	`63`
`61`	`64`	`if__name__=='__main__':`

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