1.4 and 1.5 update Sep 24th
new problem 1_6
Merge branch 'master' of github.com:tewujianke/SOC_Group into james
1_7 problem added
correct name of 1.7.cpp to 1_7.cpp
Add the N^2 complexity allowed comment in 1_7 problem
Add the N^2 complexity allowed comment in 1_7 problem

changed size
Merge branch 'master' of github.com:tewujianke/SOC_Group

merge
problem 1.8.cpp added. Implement a rfind() function
trash
1.8 and 1.6
Merge branch 'master' into james
merge
back up