Please do not read this hint during preparation.

Read it only if you really cannot find out what is wrong with your program and why its output does not conform to z1000.out although you think the program must be correct.

If, and only if, you are in that situation now, read the actual hint.

Lutz Prechelt, prechelt@ira.uka.de, Last modified: Tue Nov 16 17:12:55 MET 1999