<p>To confirm the code is valid, downloaded DEV-CPP 5.11 TDM-GCC 4.92 64 bit release and configured it  for latest C++ *-11 and ran the same code unmodified.  All *.CPP files compiled correctly and ran.  Iostream.h worked correctly.  So this DEV-CPP IDE system will work.  DEV-CPP is not a small footprint compiler, requiring 343 MB of disk file storage, so Geany as installed on a Raspberry Pi is useful within it's limitations.<br>
Regards, Paul</p>

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