main(){puts("Hello, world!");}/* a............................... i............................... n............................... (............................... )............................... {............................... p............................... u............................... t............................... s............................... (............................... "............................... H............................... e............................... l............................... l............................... o............................... ,............................... ............................... w............................... o............................... r............................... l............................... d............................... !............................... "............................... )............................... ;............................... }............................... /..............................* *.............................*/
Note that non-ascii characters in the above source code will be escaped (such as \x9f).