2048 Monster Trap 19 Japan 2003,Aizu 
 2220 Treasure Hunters 19 South Central USA 2001 
 1956 Pumps and Pipes 19 TUD Programming Contest 2002, Darmstadt, Germany 
 2281 Link and Pop -- the Block Game 19 Shanghai 2004 
 1133 Stars 20 Southwestern European Regional Contest 1996 
 1202 Family 20 Southwestern Europe 2002 
 1571 Loansome Car Buyer 20 Mid-Central USA 1999 
 1311 Doing Windows 20 North Central North America 1997 
 1645 BSP Trees 20 East Central North America 2000 
 1481 The Die Is Cast 20 Southwestern European Regional Contest 1998 
 1561 Another Puzzling Problem 20 Mid-Central USA 1996 
 2149 Inherit the Spheres 20 Japan 2004 
 1867 Treequivalence 20 Waterloo local 2004.09.25 
 2314 POJ language 20 POJ Monthly,kicc 
 1869 Test 20 Waterloo local 2004.09.25 

• BT (824) TN 2006-04-03 23:00:41
  • ;) (0) posterposter 2006-04-03 23:02:20
• U (824) finale 2006-04-04 13:19:52
• Re:Tue (824) kxx 2006-04-04 18:30:15
  • 你们这帮bt，这么多马甲 (0) hawk 2006-04-04 18:31:20
    • RE！ (19) TN 2006-04-04 18:34:43
    • 这个不算啦，java practice (0) frkstyc 2006-04-04 18:45:57
      • 准备换语言了？ (0) TN 2006-04-04 19:18:04
        • 大数好用 (0) frkstyc 2006-04-04 21:39:49