solution to 4.20
authorRamakrishnan Muthukrishnan <vu3rdd@gmail.com>
Sun, 18 Dec 2011 07:15:53 +0000 (12:45 +0530)
committerRamakrishnan Muthukrishnan <vu3rdd@gmail.com>
Sun, 18 Dec 2011 07:15:53 +0000 (12:45 +0530)
commit531e659d988a2cc4e11c89378aca766b7247f922
treedb561c9ba296dc5c2f830b3cda956d71ae7db980
parent703a94b6a9a05bcd3263dbe717b7357c1b8e982c
solution to 4.20
src/sicp/ex4_20.rkt [new file with mode: 0644]