My biggest thanks of all go, of course, to Dennis Ritchie and Brian Kernighan, authors of possibly the finest language tutorial and reference book ever written.

This site wouldn't even exist if it weren't for the efforts of a great many people, who contributed either by providing solutions or by suggesting corrections. Some have chosen to remain anonymous, but the rest (as far as I know) are listed here. Please don't ask me what all these guys did; if you can't find a solution from them, you may assume they provided constructive criticism of some kind:

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