100644 blob f7a23c477e54cd18f1ac225e463d9a8b27b9be7f	algorithm.h
100644 blob e71ababe0c0054823330ae828dbc187e904f23a4	functional.h
100644 blob 7eef2d63c4aaaf27402b36f136990bca881f2c26	ranges.h