| ID |
Problem Name (click to add insights/hints, view summary of insights/hints and similar problems) |
| 1901 |
Codeforces 439A: Devu, the Singer and Churu, the Joker |
| 1900 |
Codeforces 438E: The Child and Binary Tree |
| 1899 |
Codeforces 438D: The Child and Sequence |
| 1898 |
Codeforces 437E: The Child and Polygon |
| 1897 |
Codeforces 437D: The Child and Zoo |
| 1896 |
Codeforces 437C: The Child and Toy |
| 1895 |
Codeforces 437B: The Child and Set |
| 1894 |
Codeforces 437A: The Child and Homework |
| 1893 |
Codeforces 436F: Banners |
| 1892 |
Codeforces 436E: Cardboard Box |
| 1891 |
Codeforces 436D: Pudding Monsters |
| 1890 |
Codeforces 436C: Dungeons and Candies |
| 1889 |
Codeforces 436B: Om Nom and Spiders |
| 1888 |
Codeforces 436A: Feed with Candy |
| 1887 |
Codeforces 435E: Special Graph |
| 1886 |
Codeforces 435D: Special Grid |
| 1885 |
Codeforces 435C: Cardiogram |
| 1884 |
Codeforces 435B: Pasha Maximizes |
| 1883 |
Codeforces 435A: Queue on Bus Stop |
| 1882 |
Codeforces 434E: Furukawa Nagisa's Tree |
| 1881 |
Codeforces 434D: Nanami's Power Plant |
| 1880 |
Codeforces 433E: Tachibana Kanade's Tofu |
| 1879 |
Codeforces 433D: Nanami's Digital Board |
| 1878 |
Codeforces 433C: Ryouko's Memory Note |
| 1877 |
Codeforces 433B: Kuriyama Mirai's Stones |
| 1876 |
Codeforces 433A: Kitahara Haruki's Gift |
| 1875 |
Codeforces 432E: Square Tiling |
| 1874 |
Codeforces 432D: Prefixes and Suffixes |
| 1873 |
Codeforces 432C: Prime Swaps |
| 1872 |
Codeforces 432B: Football Kit |
| 1871 |
Codeforces 432A: Choosing Teams |
| 1870 |
Codeforces 431E: Chemistry Experiment |
| 1869 |
Codeforces 431D: Random Task |
| 1868 |
Codeforces 431C: k-Tree |
| 1867 |
Codeforces 431B: Shower Line |
| 1866 |
Codeforces 431A: Black Square |
| 1865 |
Codeforces 430B: Balls Game |
| 1864 |
Codeforces 430A: Points and Segments (easy) |
| 1863 |
Codeforces 429E: Points and Segments |
| 1862 |
Codeforces 429D: Tricky Function |
| 1861 |
Codeforces 429C: Guess the Tree |
| 1860 |
Codeforces 429B: Working out |
| 1859 |
Codeforces 429A: Xor-tree |
| 1858 |
Codeforces 427E: Police Patrol |
| 1857 |
Codeforces 427D: Match & Catch |
| 1856 |
Codeforces 427C: Checkposts |
| 1855 |
Codeforces 427B: Prison Transfer |
| 1854 |
Codeforces 427A: Police Recruits |
| 1853 |
Codeforces 426B: Sereja and Mirroring |
| 1852 |
Codeforces 426A: Sereja and Mugs |