Add Boost Accumulators examples
Add Boost Accumulators examples

zettsu-t/cPlusPlusFriend,zettsu-t/cPlusPlusFriend,zettsu-t/cPlusPlusFriend,zettsu-t/cPlusPlusFriend,zettsu-t/cPlusPlusFriend,zettsu-t/cPlusPlusFriend,zettsu-t/cPlusPlusFriend