nov.21

two sorting functions
headerfile
max_depth and num_reqs calculation
a file
Revert "a file"

This reverts commit 9484976e3e895b39a8143f6db40468387a256a1c.
Revert "nov.21"

This reverts commit 83cce37c9f0fbe9cc1ace3ea433d8f5c57b01a43.
Revert "Revert "nov.21""

This reverts commit fe5791e342556d22ca99dfacbba388204a208e0f.