Loopy Loops

March 18, 2011

I don’t like this silly question. But it has appeared recently on Hacker News and Stack Overflow (C/C++ and Java, and probably other languages but I quit searching), and generated lots of comments on both, and it’s apparently a popular interview question, so we may as well do it here, too:

Print the numbers from 1 to 1000 without using any loop or conditional statements. Don’t just write the printf() or cout statement 1000 times.

Your task is to write the program in your favorite language. Have fun — think of as many solutions as you can, or the wackiest, or the fewest characters in the source file, or some other best-in-category. When you are finished, you are welcome to read or run a suggested solution, or to post your own solution or discuss the exercise in the comments below.

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