tasks-output.txt

Array at the beginning: 0 0 0 0 
Tasks created by thread: 0
Task 3 executed by thread 0
Task 1 executed by thread 1
Task 0 executed by thread 2
Task 2 executed by thread 0
Array at the end: 2 1 0 0 
Array at the beginning: 0 0 0 0 
Tasks created by thread: 0
Task 3 executed by thread 0
Task 0 executed by thread 1
Task 1 executed by thread 3
Task 2 executed by thread 1
Array at the end: 1 3 1 0