Merge branch 'homework-2'
4_4 and 4_5
Merge branch 'master' of https://github.com/marozau/cpp_craft_0314 into homework_4
Fixed bug in 4_5.
- Found local min and max and then used mutex for synchronization with global max and min
Merge pull request #266 from TereschenkovaEugeniya/homework_4

Homework 4 (Fixed bug in 4_5)