new file:   grayCode.cpp
modified:   insertionSortList.cpp
Update grayCode.cpp, using iteration instead of recursion
Merge branch 'master' of github.com:wang2453/codes
new file:   canCompleteCircuit.cpp
new file:   has_cycle.cpp
new file:   beauty_of_programming/PrintNodeAtLevel.cpp
new file:   beauty_of_programming/factor.cpp
new file:   beauty_of_programming/gcd.cpp
new file:   beauty_of_programming/note.txt
new file:   beauty_of_programming/num_of_1.cpp
new file:   beauty_of_programming/phone_num.cpp
new file:   beauty_of_programming/reverse_in_bin.cpp
new file:   beauty_of_programming/trans_float.cpp
new file:   beauty_of_programming/uncertain_for.c
new file:   1_AssignmentOperator.cpp
new file:   2_Singleton.cs
new file:   38_count_num_rep.cpp
new file:   38_count_num_rep_2.cpp
new file:   3_search.cpp
new file:   41_find_seq_sum.cpp
new file:   43_dice.cpp
new file:   arrange.cpp
new file:   btree_node_sum.cpp
new file:   btree_to_blist.cpp
new file:   find_k.cpp
new file:   heap_adjust.cpp
new file:   is_child_btree.cpp
new file:   more_than_half.cpp
new file:   more_than_half2.cpp
new file:   perm.cpp
new file:   print_1_to_max_n_digits.cpp
new file:   print_1_to_max_n_digits_2.cpp
new file:   print_matrix_clockwise.cpp
new file:   print_matrix_clockwise_1.cpp
new file:   reverse_list.cpp
new file:   reverse_word.cpp
new file:   test_new.cpp
Modified code_count.py to support specified file extension.