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16x16(110bytes) Japanese
9x7(834bytes) Home / Change log
9x7(834bytes) Outline
9x7(834bytes) Eligibility
9x7(834bytes) Steps to participate
9x8(834bytes) Registration
9x7(834bytes) Domestic contest
9x7(834bytes) Regional contest
9x7(834bytes) Trip/Accommodation
9x7(834bytes) Past contests
9x8(181bytes) Past problems
 

Past problems of regional contests held in Japan

2004 Ehime (PDF, 188KB) details new!
2003 Aizu (PDF, 111KB) details
2002 Kanazawa (PDF, 663KB) details
2001 Hakodate (PDF, 176KB) details
2000 Tsukuba (PDF, 106KB) details
1999 Kyoto (PDF, 167KB) details
1998 Tokyo (PDF, 173KB) details

Past problems of domestic contests

2004 Ehime new!
2003 Aizu
2002 Kanazawa
2001 Hakodate
2000 Tsukuba
1999 Kyoto
1998 Tokyo