Create 01_domashno.c (#645)
Create 01_domashno.c (#645)

* Create 01_domashno.c

* Update 01_domashno.c

* Update 01_domashno.c

* Update 01_domashno.c

* Update 01_domashno.c

* Update 01_domashno.c

* Update 01_domashno.c

elsys/c-programming-homework,Enchak/c-programming-homework,puka89/c-programming-homework