i do not know what is troll.but never call me troll.and sorry for that mistake.in my country internet is not cheap.and i have to use a pack of 15 mb in 15 days.so for low cost i use internet in my mobile.as mobile screen is small there can be mistake for cut copy paste as .so when i saw that topics of the post of c++_code is here, then i edit it.

sorry to all for it and for this late answer.
Vinous_Beret ,please give me ur answer in my another post(subject:c++ code).