I have program output to 3 different txt file, but How do I do it to just one txt file

Aug 4, 2016 at 5:00am
program done.
Last edited on Aug 5, 2016 at 2:24am
Aug 4, 2016 at 11:36am
closed account (48T7M4Gy)
http://www.cplusplus.com/forum/beginner/195261/
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