Add task3_real
Fix task3_real + add slow (but correct) version.
Add (6) and (21) schemes
Fix warnings in task3_real
Add comments about used scheme
Implement (21) scheme
Implement (23) scheme
Remove commented line
Implement (24) scheme
Add tests for lab3
Merge branch 'lab3'
Implement lab4.
Add tests for lab4
Merge branch 'lab4'
Implement (4) scheme + test51.
Implement (8)-(9) scheme
Add tests for lab5.
Add tests for lab5
Merge branch 'lab5'