[C/C++] efficient convenient IDE for C and C++

1. Dev-C++  (formerly known as Bloodshed Dev-C++)
TDM-GCC version works great.
        https://sourceforge.net/projects/orwelldevcpp/
        http://orwelldevcpp.blogspot.com.au/


2. Code::Blocks
MinGW version works great. (It includes GCC compiler and GDB debugger from TDM-GCC.)
        https://sourceforge.net/projects/codeblocks/
        http://www.codeblocks.org/