solved problems 1, 2, 3, 4, 6, 9
solved problems 1, 2, 3, 4, 6, 9
solved problems 1, 2, 3, 4, 6, 9
solved problems 1, 2, 3, 4, 6, 9
Merge remote-tracking branch 'origin/master'

Conflicts:
	.idea/misc.xml
	.idea/workspace.xml
	euler.iml
solved problems 1, 2, 3, 4, 6, 9