1. A+B Problem 1 2. Genesis 1 3. Birth of Noah 1 4. Noah's Ark 1 5. Holding Animals 3 6. Language of Animals 3 7. Feeding Animals(I) 1 8. Feeding Animals(II) 3 9. The Legend of Valiant Emigration 1 10. Alternate Sum 3 11. Finding Teammates 3 12. Think And Count 5 13. Bracelet 1 14. Doraemon?s Flashlight 3 16. Cherry Blossom 1 17. Billiard Ball 3 18. King Kong 3 19. Curriculum Schedule 3 20. Adjacent Difference 1 22. Competition of Programming 3 23. Division 3 24. Exploration 3 25. Finding Nemo 5 26. Game On Checkerboard 1 27. Heating the Ants 5 28. Injured Bishop Problem 1 29. Ascend 3 30. Sphere Route 3 31. Chocolates 5 32. Find the Max NORM 1 33. Natural Span 3 34. Cut the Apple 3 35. BG 1 36. Cards 3 37. Circular_Road 3 38. Help! 3 39. Key 3 40. MagicBuilding 1 41. MagicForest 5 42. Polygon 3 43. Magicstar 5 44. Polygon Revolution 3 45. Flymouse?s Poor English 1 46. Crazy Game 1 47. LCS Problem 3 48. Relationship 3 49. Words 3 50. Network 1 51. Bus Route Problem 1 53. Lian lian Kan 5 54. DNA 5 55. The Hardest Problem Ever 1 56. Sonia's Travel 5 57. Problem 2046 3 58. Exchange 3 59. Tollbooth 5 60. Magic Number 5 61. Simple Cut Problem 3 62. Linear World 5 63. Fine-X-Path 3 64. What Is Left 1 65. 2D Path Problem 1 66. Athena 5 67. Weight 5 68. Chess 3 69. Poor Knuthocean 3 70. Sichuan mah-jong 3 71. Joseph problem 3 72. Order 5 74. ABC 3 75. Ball 3 76. Center 3 77. Dragonflywww 3 78. Emotional Rate 3 79. Fractions 5 80. Game 1 81. Hunter 3 82. 魔教的传信站 3 83. 机关大师的设计 3 84. 连续技 3 85. 回家的路 1 86. 棋盘游戏(SHD) 3 87. 数星星 3 88. 从1开始的N个连续自然数的M次方之和 5 89. 进军路线 3 90. Snail 5 91. WOJ's computer 5 92. Pure numbers 3 93. Monkeys 5 94. Special Graph 3 95. Chess 5 96. Race 3 97. Circle 1 98. Dongfangxu&zap 1 99. flirly 5 100. Forest 1