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A2OJ Ladders
800-1299: A2OJ Ladder
This sheet is tailored for beginners, unrated users, or those with a Codeforces rating below 1300. It focuses on building a solid foundation in competitive programming by covering fundamental concepts and patterns. Ideal for those looking to kickstart their competitive journey, the sheet ensures you gain the skills and confidence to tackle problems effectively and improve your rating over time.
100 problemscompetitivepopular
0%
0/100
Overall progress
0 / 100
0/73
Easy
0/27
Medium
| Status | Problem | Practice | Revision | Level | |
|---|---|---|---|---|---|
| 1. | Young Physicist | Codeforces | Easy | ||
| 2. | Beautiful Matrix | Codeforces | Easy | ||
| 3. | Queue at the School | Codeforces | Easy | ||
| 4. | Borze | Codeforces | Easy | ||
| 5. | Beautiful Year | Codeforces | Easy | ||
| 6. | Lights Out | Codeforces | Easy | ||
| 7. | Word | Codeforces | Easy | ||
| 8. | Word Capitalization | Codeforces | Easy | ||
| 9. | Nearly Lucky Number | Codeforces | Easy | ||
| 10. | Stones on the Table | Codeforces | Easy | ||
| 11. | Panoramix's Prediction | Codeforces | Easy | ||
| 12. | Ultra-Fast Mathematician | Codeforces | Easy | ||
| 13. | Perfect Permutation | Codeforces | Easy | ||
| 14. | Arrival of the General | Codeforces | Easy | ||
| 15. | Drinks | Codeforces | Easy | ||
| 16. | Insomnia cure | Codeforces | Easy | ||
| 17. | Cupboards | Codeforces | Easy | ||
| 18. | I_love_\%username\% | Codeforces | Easy | ||
| 19. | Tram | Codeforces | Easy | ||
| 20. | Helpful Maths | Codeforces | Easy | ||
| 21. | Is your horseshoe on the other hoof? | Codeforces | Easy | ||
| 22. | Way Too Long Words | Codeforces | Easy | ||
| 23. | Boy or Girl | Codeforces | Easy | ||
| 24. | Amusing Joke | Codeforces | Easy | ||
| 25. | Soft Drinking | Codeforces | Easy | ||
| 26. | HQ9+ | Codeforces | Easy | ||
| 27. | Petya and Strings | Codeforces | Easy | ||
| 28. | Team | Codeforces | Easy | ||
| 29. | Bit++ | Codeforces | Easy | ||
| 30. | Effective Approach | Codeforces | Easy | ||
| 31. | Dima and Friends | Codeforces | Easy | ||
| 32. | Jzzhu and Children | Codeforces | Easy | ||
| 33. | Supercentral Point | Codeforces | Easy | ||
| 34. | Petr and Book | Codeforces | Easy | ||
| 35. | Parallelepiped | Codeforces | Easy | ||
| 36. | Reconnaissance 2 | Codeforces | Easy | ||
| 37. | Even Odds | Codeforces | Easy | ||
| 38. | Little Elephant and Rozdil | Codeforces | Easy | ||
| 39. | Hexadecimal's theorem | Codeforces | Easy | ||
| 40. | Jeff and Digits | Codeforces | Easy | ||
| 41. | Xenia and Ringroad | Codeforces | Easy | ||
| 42. | Magic Numbers | Codeforces | Easy | ||
| 43. | Translation | Codeforces | Easy | ||
| 44. | Football | Codeforces | Easy | ||
| 45. | Bicycle Chain | Codeforces | Easy | ||
| 46. | Sale | Codeforces | Easy | ||
| 47. | System of Equations | Codeforces | Easy | ||
| 48. | Business trip | Codeforces | Easy | ||
| 49. | Dubstep | Codeforces | Easy | ||
| 50. | k-String | Codeforces | Easy | ||
| 51. | The number of positions | Codeforces | Easy | ||
| 52. | Football | Codeforces | Easy | ||
| 53. | String Task | Codeforces | Easy | ||
| 54. | Little Elephant and Function | Codeforces | Easy | ||
| 55. | Present from Lena | Codeforces | Easy | ||
| 56. | Dragons | Codeforces | Easy | ||
| 57. | Puzzles | Codeforces | Easy | ||
| 58. | Chat room | Codeforces | Easy | ||
| 59. | Airport | Codeforces | Easy | ||
| 60. | DZY Loves Chessboard | Codeforces | Medium | ||
| 61. | Pashmak and Flowers | Codeforces | Medium | ||
| 62. | Jeff and Periods | Codeforces | Medium | ||
| 63. | Little Girl and Game | Codeforces | Medium | ||
| 64. | Sail | Codeforces | Medium | ||
| 65. | Shower Line | Codeforces | Medium | ||
| 66. | Shooshuns and Sequence | Codeforces | Medium | ||
| 67. | Xenia and Divisors | Codeforces | Medium | ||
| 68. | Letter | Codeforces | Easy | ||
| 69. | Kitahara Haruki's Gift | Codeforces | Easy | ||
| 70. | Comparing Strings | Codeforces | Easy | ||
| 71. | Hungry Sequence | Codeforces | Medium | ||
| 72. | Big Segment | Codeforces | Easy | ||
| 73. | Little Elephant and Bits | Codeforces | Easy | ||
| 74. | Yaroslav and Permutations | Codeforces | Easy | ||
| 75. | Fence | Codeforces | Easy | ||
| 76. | TL | Codeforces | Medium | ||
| 77. | Increase and Decrease | Codeforces | Medium | ||
| 78. | Two Bags of Potatoes | Codeforces | Medium | ||
| 79. | Unlucky Ticket | Codeforces | Easy | ||
| 80. | Boys and Girls | Codeforces | Easy | ||
| 81. | Easy Number Challenge | Codeforces | Medium | ||
| 82. | Pythagorean Theorem II | Codeforces | Medium | ||
| 83. | Cards with Numbers | Codeforces | Medium | ||
| 84. | Domino | Codeforces | Medium | ||
| 85. | Cinema Line | Codeforces | Easy | ||
| 86. | Rank List | Codeforces | Easy | ||
| 87. | Cut Ribbon | Codeforces | Medium | ||
| 88. | IQ Test | Codeforces | Easy | ||
| 89. | Building Permutation | Codeforces | Medium | ||
| 90. | Kuriyama Mirai's Stones | Codeforces | Medium | ||
| 91. | T-primes | Codeforces | Medium | ||
| 92. | Sereja and Suffixes | Codeforces | Easy | ||
| 93. | Flipping Game | Codeforces | Medium | ||
| 94. | Free Cash | Codeforces | Easy | ||
| 95. | Polo the Penguin and Matrix | Codeforces | Medium | ||
| 96. | Jzzhu and Sequences | Codeforces | Medium | ||
| 97. | Appleman and Card Game | Codeforces | Medium | ||
| 98. | Sort the Array | Codeforces | Medium | ||
| 99. | Sereja and Bottles | Codeforces | Medium | ||
| 100. | Adding Digits | Codeforces | Medium |