SRC_D = d1_art.cpp d2_numbers.cpp d3_refs.cpp d4_pool.cpp
SRC_E = e1_diameter.cpp e2_circle.cpp e3_index.cpp f1_complex.cpp f3_search.cpp g1_format.cpp g2_least.cpp g3_area.cpp g4_zipper.cpp g5_rpn.cpp g6_eval.cpp
# a02e962853ff99a54ae71431af0de846339569ca  e1_diameter.cpp
# 800f801b98d3639666666d02942300ece2802db2  e2_circle.cpp
# 81f2bf163f90ecb0a31eca17bbebabdf3a9679e6  e3_index.cpp
# bc4f817e6ea826cba8e544d6cb7a25dcf850d4ba  f1_complex.cpp
# d3bdcb40d5ce39e66e281788e8870433cefc104b  f3_search.cpp
# afdf4590e35af7dcf2df4141f04ebf2f8ba5c0d5  g1_format.cpp
# 1e35de6ed4c6eca2fdb86d44efdfc8e384a530e4  g2_least.cpp
# 2791986ade9a10ff1537261d101f764aa14f62db  g3_area.cpp
# 7bdde2b47e649138664591231a64270c0832429d  g4_zipper.cpp
# feb4e5c0905b007e478cf425624025e56bc09869  g5_rpn.cpp
# d24b61d4e1fbf99eb2ce476593dce3d7f9b34410  g6_eval.cpp