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Codeforces Solutions
This repository contains my solutions of Codeforces problems. They are in C++ language.
If this repository helped you out, please consider giving it a ⭐
Index
Sorted by Problem ID
| Problem ID | Problem Name | Question | Solution |
|---|---|---|---|
| 1 A | Theater Square | Question | Solution |
| 2 A | Winner | Question | Solution |
| 4 A | Watermelon | Question | Solution |
| 4 C | Registration System | Question | Solution |
| 9 A | Die Roll | Question | Solution |
| 11 A | Increasing Sequence | Question | Solution |
| 22 A | Second Order Statistics | Question | Solution |
| 34 A | Reconnaissance 2 | Question | Solution |
| 34 B | Sale | Question | Solution |
| 41 A | Translation | Question | Solution |
| 45 A | Codecraft III | Question | Solution |
| 50 A | DominoPiling | Question | Solution |
| 59 A | Word | Question | Solution |
| 71 A | Way Too Long Words | Question | Solution |
| 74 A | Room Leader | Question | Solution |
| 110 A | Nearly Lucky Number | Question | Solution |
| 112 A | Petya And Strings | Question | Solution |
| 116 A | Tram | Question | Solution |
| 118 B | Present from Lena | Question | Solution |
| 122 A | Lucky Division | Question | Solution |
| 122 B | Lucky Substring | Question | Solution |
| 131 A | cAPS lOCK | Question | Solution |
| 136 A | Presents | Question | Solution |
| 141 A | Amusing Joke | Question | Solution |
| 144 A | Arrival of the General | Question | Solution |
| 148 A | Insomnia cure | Question | Solution |
| 151 A | Soft Drinking | Question | Solution |
| 155 A | I_love_%username% | Question | Solution |
| 158 A | Next Round | Question | Solution |
| 158 B | Taxi | Question | Solution |
| 189 A | Cut Ribbon | Question | Solution |
| 200 B | Drinks | Question | Solution |
| 208 A | Dubstep | Question | Solution |
| 230 B | T-primes | Question | Solution |
| 231 A | Team | Question | Solution |
| 236 A | Boy Or Girl | Question | Solution |
| 263 A | Beautiful Matrix | Question | Solution |
| 266 A | Stones on the Table | Question | Solution |
| 266 B | Queue at the School | Question | Solution |
| 268 A | Games | Question | Solution |
| 271 A | Beautiful Year | Question | Solution |
| 281 A | Word Capitalization | Question | Solution |
| 282 A | Bit++ | Question | Solution |
| 313 A | Ilya and Bank Account | Question | Solution |
| 318 A | Even Odds | Question | Solution |
| 339 A | Helpful Maths | Question | Solution |
| 344 A | Magnets | Question | Solution |
| 349 A | Cinema Line | Question | Solution |
| 411 A | Password Check | Question | Solution |
| 421 A | Pasha and Hamsters | Question | Solution |
| 456 B | Fedya and Maths | Question | Solution |
| 474 B | Worms | Question | Solution |
| 486 A | Calculating Function | Question | Solution |
| 492 A | Vanya and Cubes | Question | Solution |
| 492 B | Vanya and Lanterns | Question | Solution |
| 510 A | Fox And Snake | Question | Solution |
| 525 A | Vitaliy and Pie | Question | Solution |
| 546 A | Soldier and Bananas | Question | Solution |
| 584 A | Olesya and Rodion | Question | Solution |
| 599 A | Patrick and Shopping | Question | Solution |
| 617 A | Elephant | Question | Solution |
| 630 A | Again Twenty Five! | Question | Solution |
| 677 A | Vanya and Fence | Question | Solution |
| 705 A | Hulk | Question | Solution |
| 706 B | Interesting drink | Question | Solution |
| 734 A | Anton and Danik | Question | Solution |
| 742 A | Arpas hard exam and Mehrdads naive cheat | Question | Solution |
| 791 A | Bear And Big Brother | Question | Solution |
| 854 A | Fraction | Question | Solution |
| 855 A | Tom Riddle's Diary | Question | Solution |
| 977 A | Wrong Substraction | Question | Solution |
| 1068 A | Birthday | Question | Solution |
| 1118 B | Tanya and Candies | Question | Solution |
| 1144 C | Two Shuffled Sequences | Question | Solution |
| 1196 A | Three Piles of Candies | Question | Solution |
| 1295 A | Display The Number | Question | Solution |
| 1296 A | Array with Odd Sum | Question | Solution |
| 1311 A | Add Odd or Subtract Even | Question | Solution |
| 1328 A | Divisibility Problem | Question | Solution |
| 1341 A | Nastya and Rice | Question | Solution |
| 1343 B | Balanced Array | Question | Solution |
| 1360 B | Honest Coach | Question | Solution |
| 1364 A | XXXXX | Question | Solution |
| 1367 B | Even Array | Question | Solution |
| 1389 A | LCM Problem | Question | Solution |
| 1399 A | Remove Smallest | Question | Solution |
| 1426 A | Floor Number | Question | Solution |
| 1512 A | Spy Detected! | Question | Solution |
| 1582 B | Luntik and Subsequences | Question | Solution |
| 1624 B | Make AP | Question | Solution |
| 1633 A | Div. 7 | Question | Solution |
| 1676 A | Lucky | Question | Solution |
| 1692 A | Marathon | Question | Solution |
| 1703 A | YES or YES | Question | Solution |
| 1719 A | Chip Game | Question | Solution |
| 1719 B | Mathematical Circus | Question | Solution |
| 1721 B | Deadly Laser | Question | Solution |
| 1742 A | Sum | Question | Solution |
| 1742 C | Stripes | Question | Solution |
| 1746 B | Rebellion | Question | Solution |
| 1748 A | The Ultimate Square | Question | Solution |
| 1758 B | XOR = Average | Question | Solution |
| 1760 A | Medium Number | Question | Solution |
| 1773 F | Football | Question | Solution |
| 1791 B | Following Directions | Question | Solution |
| 1792 A | Gaming Forces | Question | Solution |
| 1795 B | Ideal Point | Question | Solution |
| 1800 A | Is It a Cat | Question | Solution |
| 1811 A | Insert Digit | Question | Solution |
| 1814 A | Coins | Question | Solution |
| 1818 B | Indivisible | Question | Solution |
| 1822 A | TubeTube Feed | Question | Solution |
| 1822 C | Bun Lover | Question | Solution |
| 1828 A | Divisible Array | Question | Solution |
| 1828 B | Permutation Swap | Question | Solution |
| 1829 A | Love Story | Question | Solution |
| 1829 B | Blank Spaces | Question | Solution |
| 1829 C | Mr. Perfectly Fine | Question | Solution |
| 1829 D | Gold Rush | Question | Solution |
| 1832 A | New Palindrome | Question | Solution |
| 1833 A | Musical Puzzle | Question | Solution |
| 1833 B | Restore the Weather | Question | Solution |
| 1833 C | Vlad Building Beautiful Array | Question | Solution |
| 1837 A | Grasshopper on a Line | Question | Solution |
| 1837 B | Comparison String | Question | Solution |
| 1841 B | Keep it Beautiful | Question | Solution |
| 1843 A | Sasha and Array Coloring | Question | Solution |
| 1843 B | Long Long | Question | Solution |
| 1844 A | Subtraction Game | Question | Solution |
| 1845 A | Forbidden Integer | Question | Solution |
| 1846 A | Rudolph and Cut the Rope | Question | Solution |
| 1846 B | Rudolph and Tic-Tac-Toe | Question | Solution |
| 1846 C | Rudolf and the Another Competition | Question | Solution |
| 1848 A | Vika and Her Friends | Question | Solution |
| 1849 A | Morning Sandwich | Question | Solution |
| 1849 B | Monsters | Question | Solution |
| 1850 A | To My Critics | Question | Solution |
| 1850 B | Ten Words of Wisdom | Question | Solution |
| 1850 C | Word on the Paper | Question | Solution |
| 1850 D | Balanced Round | Question | Solution |
| 1851 A | Escalator Conversations | Question | Solution |
| 1851 B | Parity Sort | Question | Solution |
| 1851 C | Tiles Comeback | Question | Solution |
| 1853 A | Desorting | Question | Solution |
| 1855 A | Dalton the Teacher | Question | Solution |
| 1855 B | Longest Divisors Interval | Question | Solution |
| 1856 B | Good Arrays | Question | Solution |
| 1857 A | Array Coloring | Question | Solution |
| 1857 B | Maximum Rounding | Question | Solution |
| 1857 C | Assembly via Minimums | Question | Solution |
| 1858 A | Buttons | Question | Solution |
| 1859 A | United We Stand | Question | Solution |
| 1860 A | Not a Substring | Question | Solution |
| 1862 A | Gift Carpet | Question | Solution |
| 1862 B | Sequence Game | Question | Solution |
| 1863 A | Channel | Question | Solution |
| 1864 A | Increasing and Decreasing | Question | Solution |
| 1866 A | Ambitious Kid | Question | Solution |
| 1869 A | Make It Zero | Question | Solution |
| 1870 A | MEXanized Array | Question | Solution |
| 1872 A | Two Vessels | Question | Solution |
| 1872 B | The Corridor or There and Back Again | Question | Solution |
| 1872 C | Non-coprime Split | Question | Solution |
| 1873 A | Short Sort | Question | Solution |
| 1873 B | Good Kid | Question | Solution |
| 1873 C | Target Practice | Question | Solution |
| 1873 D | 1D Eraser | Question | Solution |
| 1875 A | Jellyfish and Undertale | Question | Solution |
| 1878 A | How Much Does Daytona Cost | Question | Solution |
| 1878 B | Aleksa and Stack | Question | Solution |
| 1878 C | Vasilije in Cacak | Question | Solution |
| 1879 A | Rigged! | Question | Solution |
| 1879 B | Chips on the Board | Question | Solution |
| 1881 A | Don't Try to Count | Question | Solution |
| 1881 B | Three Threadlets | Question | Solution |
| 1881 C | Perfect Square | Question | Solution |
| 1883 B | Chemistry | Question | Solution |
| 1894 A | Secret Sport | Question | Solution |
| 1895 A | Treasure Chest | Question | Solution |
| 1895 B | Points and Minimum Distance | Question | Solution |
| 1896 A | Jagged Swaps | Question | Solution |
| 1896 B | AB Flipping | Question | Solution |
| 1898 A | Milica and String | Question | Solution |
| 1899 A | Game with Integers | Question | Solution |
| 1900 A | Cover in Water | Question | Solution |
| 1900 B | Laura and Operations | Question | Solution |
| 1901 A | Line Trip | Question | Solution |
| 1902 A | Binary Imbalance | Question | Solution |
| 1903 A | Halloumi Boxes | Question | Solution |
| 1904 A | Forked! | Question | Solution |
| 1904 B | Collecting Game | Question | Solution |
| 1905 A | Constructive Problems | Question | Solution |
| 1905 B | Begginer's Zelda | Question | Solution |
| 1905 C | Largest Subsequence | Question | Solution |
| 1907 A | Rook | Question | Solution |
| 1907 B | YetnotherrokenKeoard | Question | Solution |
| 1907 C | Removal of Unattractive Pairs | Question | Solution |
| 1909 A | Distinct Buttons | Question | Solution |
| 1912 L | LOL Lovers | Question | Solution |
| 1913 A | Rating Increase | Question | Solution |
| 1913 B | Swap and Delete | Question | Solution |
| 1913 C | Game with Multiset | Question | Solution |
| 1914 A | Problemsolving Log | Question | Solution |
| 1914 B | Preparing for the Contest | Question | Solution |
| 1914 C | Quests | Question | Solution |
| 1914 D | Three Activities | Question | Solution |
| 1914 E1 | Game with Marbles (Easy Version) | Question | Solution |
| 1914 E2 | Game with Marbles (Hard Version) | Question | Solution |
| 1915 A | Odd One Out | Question | Solution |
| 1915 B | Not Quite Latin Square | Question | Solution |
| 1915 C | Can I Square | Question | Solution |
| 1915 D | Unnatural Language Processing | Question | Solution |
| 1915 E | Romantic Glasses | Question | Solution |
| 1916 A | 2023 | Question | Solution |
| 1916 B | Two Divisors | Question | Solution |
| 1917 A | Least Product | Question | Solution |
| 1917 B | Erase First or Second Letter | Question | Solution |
🚀 About Me
I am Shazid Mashrafi.
I am currently studying Computer Science and Engineering & trying to work my way up in the programming world.
Visit my Website and Codeforces account.