Clone it and cd
into the repo's folder, then run:
$ make
...
...
g++ -Wall --std=c++11 test.o selection_sort.o insertion_sort.o bubble_sort.o merge_sort.o quick_sort.o -o run_test
$ ./run_test
Source: 13 13 12 4 13 2 6 10 1 6 18 15 20 0
Selection sort: 0 1 2 4 6 6 10 12 13 13 13 15 18 20