image200901/prework.tex | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) New commits: commit 0262fc3f82f086ca9eb71bde6e2c44e94db31ff8 Author: Noritada Kobayashi <nori1 at dolphin.c.u-tokyo.ac.jp> Date: Fri Jan 16 01:58:06 2009 +0900 Add my own answer to the task.