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< 1 2 3 4 5 6 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 9674 | Path Prefixes | binary search data structures dfs and similar implementation trees | Statement | G | Codeforces Round 811 (Div. 3) {1714} | PROGRAMMING | Codeforces Round #811 (Div. 3) Editorial | ||
| 3656 | Build a Tree and That Is It | brute force constructive algorithms greedy implementation trees | Statement | F | Codeforces Round 811 (Div. 3) {1714} | PROGRAMMING | Codeforces Round #811 (Div. 3) Editorial | ||
| 32801 | Everyone Loves to Sleep | implementation math | Statement | A | Codeforces Round 811 (Div. 3) {1714} | PROGRAMMING | Codeforces Round #811 (Div. 3) Editorial | ||
| 3449 | Fibonacci Strings | brute force data structures greedy implementation math number theory | Statement | B | Codeforces Round 814 (Div. 1) {1718} | PROGRAMMING | 1250.0 | Codeforces Round #814 (Div. 1, Div. 2) Editorial | |
| 154 | Impressionism | constructive algorithms graphs implementation math | Statement | E | Codeforces Round 814 (Div. 1) {1718} | PROGRAMMING | 2250.0 | Codeforces Round #814 (Div. 1, Div. 2) Editorial | |
| 14351 | Fighting Tournament | binary search data structures implementation two pointers | Statement | C | Codeforces Round 814 (Div. 2) {1719} | PROGRAMMING | 1250.0 | Codeforces Round #814 (Div. 1, Div. 2) Editorial | |
| 105 | Mainak and the Bleeding Polygon | geometry implementation math | Statement | H | Codeforces Round 819 (Div. 1 + Div. 2) and Grimoire of Code Annual Contest 2022 {1726} | PROGRAMMING | 3500.0 | Codeforces Round #819 (Div. 1 + Div. 2) and Grimoire of Code Annual Contest 2022 Editorial | |
| 25432 | Colored Balls: Revisited | greedy implementation sortings | Statement | A | Educational Codeforces Round 135 (Rated for Div. 2) {1728} | PROGRAMMING | 106805 | ||
| 17163 | Meeting on the Line | binary search greedy implementation math ternary search | Statement | B | Codeforces Round 823 (Div. 2) {1730} | PROGRAMMING | 1000.0 | Codeforces Round #823 — editorial | 1600 |
| 17493 | Bestie | brute force constructive algorithms implementation math number theory | Statement | A | Codeforces Round 830 (Div. 2) {1732} | PROGRAMMING | 750.0 | 108327 | 1000 |
| 3058 | Sheikh (Hard Version) | binary search bitmasks brute force greedy implementation two pointers | Statement | C2 | Codeforces Round 830 (Div. 2) {1732} | PROGRAMMING | 1000.0 | 108327 | 2100 |
| 10163 | Ela's Fitness and the Luxury Number | binary search implementation math | Statement | B | Dytechlab Cup 2022 {1737} | PROGRAMMING | 1000.0 | Editorial of Dytechlab Cup 2022 | |
| 6401 | Ela and Crickets | games implementation math | Statement | C | Dytechlab Cup 2022 {1737} | PROGRAMMING | 1500.0 | Editorial of Dytechlab Cup 2022 | |
| 10830 | Ela Sorting Books | greedy implementation strings | Statement | A | Dytechlab Cup 2022 {1737} | PROGRAMMING | 500.0 | Editorial of Dytechlab Cup 2022 | |
| 33717 | Compare T-Shirt Sizes | implementation implementation strings | Statement | A | Codeforces Round 826 (Div. 3) {1741} | PROGRAMMING | 107908 | ||
| 60729 | Increasing | greedy implementation sortings | Statement | B | Codeforces Round 827 (Div. 4) {1742} | PROGRAMMING | 107962 | ||
| 43669 | Traffic Light | binary search implementation two pointers | Statement | C | Codeforces Round 828 (Div. 3) {1744} | PROGRAMMING | Codeforces Round #828 (Div. 3) Editorial | ||
| 24868 | Even-Odd Increments | implementation math | Statement | B | Codeforces Round 828 (Div. 3) {1744} | PROGRAMMING | Codeforces Round #828 (Div. 3) Editorial | ||
| 14019 | Permutation Operations | constructive algorithms greedy implementation math | Statement | C | Codeforces Global Round 23 {1746} | PROGRAMMING | 1000.0 | Codeforces Global Round 23 Editorial | |
| 16744 | Diverse Substrings | brute force implementation strings | Statement | B | Codeforces Round 833 (Div. 2) {1748} | PROGRAMMING | 1000.0 | Codeforces Round #833 (Div. 2) Editorial | 1400 |
| 32585 | Yes-Yes? | implementation strings | Statement | A | Codeforces Round 834 (Div. 3) {1759} | PROGRAMMING | 109254 | ||
| 43657 | Advantage | data structures data structures implementation implementation | Statement | C | Codeforces Round 835 (Div. 4) {1760} | PROGRAMMING | 109348 | ||
| 53181 | Atilla's Favorite Problem | greedy implementation strings | Statement | B | Codeforces Round 835 (Div. 4) {1760} | PROGRAMMING | 109348 | ||
| 79457 | Medium Number | implementation sortings | Statement | A | Codeforces Round 835 (Div. 4) {1760} | PROGRAMMING | 109348 | ||
| 18595 | Make Array Good | constructive algorithms implementation number theory sortings | Statement | B | Codeforces Round 838 (Div. 2) {1762} | PROGRAMMING | 1000.0 | Codeforces Round #838 (Div. 2) Editorial | |
| 2341 | Valid Bitonic Permutations | combinatorics dp implementation math | Statement | D | Codeforces Round 840 (Div. 2) and Enigma 2022 - Cybros LNMIIT {1763} | PROGRAMMING | 2000.0 | Codeforces Round #840 (Div. 2) and Enigma 2022 — Cybros LNMIIT Editorial | |
| 262 | Infinite Chess | implementation shortest paths | Statement | I | 2022-2023 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules, Preferably Teams) {1765} | PROGRAMMING | 109642 | 2800 | |
| 45555 | Extremely Round | implementation math | Statement | A | Educational Codeforces Round 139 (Rated for Div. 2) {1766} | PROGRAMMING | 110066 | ||
| 15681 | Elemental Decompress | constructive algorithms greedy implementation sortings | Statement | C | Codeforces Round 842 (Div. 2) {1768} | PROGRAMMING | 1500.0 | Codeforces Round #842 (Div. 2) Editorial | |
| 795 | Hossam and a Letter | brute force dp implementation two pointers | Statement | E | Codeforces Round 837 (Div. 2) {1771} | PROGRAMMING | 2750.0 | Codeforces Round #837 (Div. 2) Editorial | |
| 969 | BinCoin | divide and conquer hashing implementation probabilities trees | Statement | B | 2022-2023 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1773} | PROGRAMMING | 2200 | ||
| 577 | Interactive Factorial Guessing | brute force games implementation interactive | Statement | I | 2022-2023 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1773} | PROGRAMMING | 2500 | ||
| 9188 | Same Count One | brute force constructive algorithms implementation two pointers | Statement | D | Polynomial Round 2022 (Div. 1 + Div. 2, Rated, Prizes!) {1774} | PROGRAMMING | 1500.0 | Polynomial Round 2022 (Div. 1 + Div. 2) Editorial | |
| 20393 | Gardener and the Capybaras (easy version) | brute force implementation strings | Statement | A1 | Codeforces Round 843 (Div. 2) {1775} | PROGRAMMING | 500.0 | Codeforces Round #843 (Div. 2) Editorial | |
| 1429 | Rectangle Shrinking | binary search data structures greedy implementation two pointers | Statement | E | VK Cup 2022 - Отборочный раунд (Engine) {1781} | PROGRAMMING | 2750.0 | Tutorial | |
| 799 | Inverse Transformation | constructive algorithms implementation math | Statement | F | TypeDB Forces 2023 (Div. 1 + Div. 2, Rated, Prizes!) {1787} | PROGRAMMING | 2500.0 | TypeDB Forces 2023 (Div. 1 + Div. 2, Rated, Prizes!) Editorial | |
| 22292 | Sum of Two Numbers | constructive algorithms greedy implementation math | Statement | B | Codeforces Round 851 (Div. 2) {1788} | PROGRAMMING | 1000.0 | Codeforces Round #851 (Div. 2) Editorial | |
| 964 | Serval and Music Game | brute force combinatorics implementation math number theory | Statement | E | Codeforces Round 853 (Div. 2) {1789} | PROGRAMMING | 2000.0 | Codeforces Round #853 (Div. 2) Editorial | |
| 9916 | Serval and Toxel's Arrays | combinatorics implementation math | Statement | C | Codeforces Round 853 (Div. 2) {1789} | PROGRAMMING | 1250.0 | Codeforces Round #853 (Div. 2) Editorial | |
| 17565 | Serval and Inversion Magic | implementation strings | Statement | B | Codeforces Round 853 (Div. 2) {1789} | PROGRAMMING | 1000.0 | Codeforces Round #853 (Div. 2) Editorial | |
| 26791 | Premutation | brute force implementation math | Statement | C | Codeforces Round 847 (Div. 3) {1790} | PROGRAMMING | 111948 | ||
| 40830 | Polycarp and the Day of Pi | implementation math strings | Statement | A | Codeforces Round 847 (Div. 3) {1790} | PROGRAMMING | 111948 | ||
| 80143 | Codeforces Checking | implementation strings | Statement | A | Codeforces Round 849 (Div. 4) {1791} | PROGRAMMING | 112282 | ||
| 73440 | Prepend and Append | implementation two pointers | Statement | C | Codeforces Round 849 (Div. 4) {1791} | PROGRAMMING | 112282 | ||
| 7116 | Moscow Gorillas | dp greedy implementation two pointers | Statement | D | Codeforces Round 852 (Div. 2) {1793} | PROGRAMMING | 1750.0 | Codeforces Round #852 Editorial | |
| 1525 | Labeling the Tree with Distances | data structures dp hashing implementation trees | Statement | E | Codeforces Round 856 (Div. 2) {1794} | PROGRAMMING | 2750.0 | Codeforces Round 856 (Div. 2) Editorial | |
| 24627 | Two Towers | brute force implementation strings | Statement | A | Educational Codeforces Round 143 (Rated for Div. 2) {1795} | PROGRAMMING | 112963 | ||
| 19659 | Typical Interview Problem | implementation strings | Statement | A | Educational Codeforces Round 144 (Rated for Div. 2) {1796} | PROGRAMMING | Educational Codeforces Round 144 Editorial | ||
| 18274 | Asterisk-Minor Template | implementation strings | Statement | B | Educational Codeforces Round 144 (Rated for Div. 2) {1796} | PROGRAMMING | Educational Codeforces Round 144 Editorial | ||
| 4627 | Li Hua and Tree | brute force data structures dfs and similar dp implementation trees | Statement | D | Codeforces Round 864 (Div. 2) {1797} | PROGRAMMING | 1750.0 | Codeforces Round 864 (Div. 2) Editorial | |
| 21040 | Showstopper | greedy implementation sortings | Statement | A | Codeforces Round 860 (Div. 2) {1798} | PROGRAMMING | 500.0 | Editorial of Codeforces Round 860 (Div. 2) | 800 |
| 1399 | City Union | constructive algorithms dp geometry greedy implementation math | Statement | E | Codeforces Round 854 by cybercats (Div. 1 + Div. 2) {1799} | PROGRAMMING | 2250.0 | Codeforces Round #854 Editorial | |
| 6910 | Double Lexicographically Minimum | constructive algorithms greedy implementation strings | Statement | C | Codeforces Round 854 by cybercats (Div. 1 + Div. 2) {1799} | PROGRAMMING | 1500.0 | Codeforces Round #854 Editorial | |
| 12311 | Recent Actions | data structures greedy implementation math | Statement | A | Codeforces Round 854 by cybercats (Div. 1 + Div. 2) {1799} | PROGRAMMING | 500.0 | Codeforces Round #854 Editorial | |
| 36472 | Is It a Cat? | implementation strings | Statement | A | Codeforces Round 855 (Div. 3) {1800} | PROGRAMMING | Codeforces Round 855 (Div. 3) Editorial | ||
| 14605 | Settlement of Guinea Pigs | implementation math | Statement | B | Codeforces Round 857 (Div. 2) {1802} | PROGRAMMING | 750.0 | Codeforces Round #857 Editorial | |
| 15591 | Vaccination | greedy implementation two pointers | Statement | B | Nebius Welcome Round (Div. 1 + Div. 2) {1804} | PROGRAMMING | 1000.0 | Nebius Welcome Round Editorial | |
| 16582 | Interview | binary search implementation interactive | Statement | E | Codeforces Round 859 (Div. 4) {1807} | PROGRAMMING | 114143 | ||
| 22192 | Subsequence Addition (Easy Version) | brute force dp greedy implementation sortings | Statement | G1 | Codeforces Round 859 (Div. 4) {1807} | PROGRAMMING | 114143 | ||
| 27659 | Subsequence Addition (Hard Version) | dp greedy implementation math sortings | Statement | G2 | Codeforces Round 859 (Div. 4) {1807} | PROGRAMMING | 114143 | ||
| 34253 | Find and Replace | greedy implementation strings | Statement | C | Codeforces Round 859 (Div. 4) {1807} | PROGRAMMING | 114143 | ||
| 1066 | Two Tanks | binary search dp implementation math | Statement | E | Educational Codeforces Round 145 (Rated for Div. 2) {1809} | PROGRAMMING | 114300 | ||
| 3896 | Monsters | brute force data structures dfs and similar dsu graphs implementation trees | Statement | E | CodeTON Round 4 (Div. 1 + Div. 2, Rated, Prizes!) {1810} | PROGRAMMING | 2000.0 | Editorial of CodeTON Round 4 (Div. 1 + Div. 2, Rated, Prizes!) | |
| 8623 | Umka and a Long Flight | constructive algorithms implementation math | Statement | D | Codeforces Round 863 (Div. 3) {1811} | PROGRAMMING | 114788 | ||
| 15935 | Ian and Array Sorting | greedy implementation math | Statement | A | Codeforces Round 865 (Div. 1) {1815} | PROGRAMMING | 500.0 | Editorial of Codeforces Round #865 | 1300 |
| 3593 | Sum Graph | constructive algorithms graphs implementation interactive math shortest paths trees | Statement | B | Codeforces Round 865 (Div. 1) {1815} | PROGRAMMING | 1250.0 | Editorial of Codeforces Round #865 | 2000 |
| 1733 | The Fox and the Complete Tree Traversal | constructive algorithms dp games implementation math trees | Statement | C | Codeforces Round 866 (Div. 1) {1819} | PROGRAMMING | 1500.0 | Codeforces Round #866 (Div.1, Div.2, based on Lipetsk Team Olympiad) Editorial | |
| 4193 | The Butcher | greedy implementation sortings two pointers | Statement | B | Codeforces Round 866 (Div. 1) {1819} | PROGRAMMING | 1250.0 | Codeforces Round #866 (Div.1, Div.2, based on Lipetsk Team Olympiad) Editorial | |
| 17611 | Yura's New Name | implementation strings | Statement | A | Codeforces Round 866 (Div. 2) {1820} | PROGRAMMING | 500.0 | Codeforces Round #866 (Div.1, Div.2, based on Lipetsk Team Olympiad) Editorial | |
| 16184 | Tear It Apart | brute force implementation math strings | Statement | C | Educational Codeforces Round 147 (Rated for Div. 2) {1821} | PROGRAMMING | 115296 | ||
| 25993 | TubeTube Feed | brute force implementation sortings | Statement | A | Codeforces Round 867 (Div. 3) {1822} | PROGRAMMING | Codeforces Round #867 (Div. 3) Editorial | ||
| 17242 | Trust Nobody | brute force greedy implementation sortings | Statement | A | Codeforces Round 870 (Div. 2) {1826} | PROGRAMMING | 500.0 | Codeforces Round #870 (Div. 2) Editorial | 1200 |
| 1946 | Walk the Runway | bitmasks brute force data structures dp graphs implementation sortings | Statement | E | Codeforces Round 870 (Div. 2) {1826} | PROGRAMMING | 2500.0 | Codeforces Round #870 (Div. 2) Editorial | 2400 |
| 15015 | Hits Different | data structures dp implementation math | Statement | G | Codeforces Round 871 (Div. 4) {1829} | PROGRAMMING | Codeforces Round 871 (Div. 4) Editorial | 1600 | |
| 70305 | Love Story | implementation strings | Statement | A | Codeforces Round 871 (Div. 4) {1829} | PROGRAMMING | Codeforces Round 871 (Div. 4) Editorial | 800 | |
| 3372 | Red-Blue Operations (Easy Version) | binary search greedy implementation math | Statement | D1 | Educational Codeforces Round 148 (Rated for Div. 2) {1832} | PROGRAMMING | 116454 | 2100 | |
| 2332 | Red-Blue Operations (Hard Version) | binary search constructive algorithms greedy implementation math | Statement | D2 | Educational Codeforces Round 148 (Rated for Div. 2) {1832} | PROGRAMMING | 116454 | 2400 | |
| 10071 | Ira and Flamenco | combinatorics data structures implementation sortings | Statement | F | Codeforces Round 874 (Div. 3) {1833} | PROGRAMMING | 116636 | ||
| 6364 | Ksyusha and Chinchilla | dfs and similar dp dsu greedy implementation trees | Statement | G | Codeforces Round 874 (Div. 3) {1833} | PROGRAMMING | 116636 | ||
| 2761 | MEX of LCM | binary search brute force data structures implementation math number theory two pointers | Statement | E | Codeforces Round 879 (Div. 2) {1834} | PROGRAMMING | 2500.0 | Codeforces Round #879 Editorial | |
| 5535 | Survey in Class | constructive algorithms data structures greedy implementation sortings | Statement | D | Codeforces Round 879 (Div. 2) {1834} | PROGRAMMING | 1750.0 | Codeforces Round #879 Editorial | |
| 8716 | k-th equality | brute force implementation math | Statement | A | Codeforces Round 880 (Div. 1) {1835} | PROGRAMMING | 500.0 | Codeforces Round 880 Editorial | |
| 3691 | Bracket Walk | constructive algorithms data structures implementation sortings strings | Statement | D | Codeforces Round 877 (Div. 2) {1838} | PROGRAMMING | 1750.0 | Codeforces Round #877 (Div. 2) Editorial | |
| 37976 | Cipher Shifer | implementation strings two pointers | Statement | A | Codeforces Round 878 (Div. 3) {1840} | PROGRAMMING | Codeforces Round #878 (Div.3) Editorial | ||
| 24054 | Keep it Beautiful | implementation strings | Statement | B | Educational Codeforces Round 150 (Rated for Div. 2) {1841} | PROGRAMMING | 117262 | ||
| 2105 | Omsk Metro (hard version) | data structures dfs and similar divide and conquer dp implementation math trees | Statement | F2 | Codeforces Round 881 (Div. 3) {1843} | PROGRAMMING | Codeforces Round #881 (Div. 3) Editorial | ||
| 17822 | Particles | constructive algorithms greedy implementation math | Statement | C | Codeforces Round 884 (Div. 1 + Div. 2) {1844} | PROGRAMMING | 1250.0 | Codeforces Round #884 (Div. 1 + Div. 2) Editorial | |
| 8991 | Rating System | brute force data structures dp greedy implementation math | Statement | D | Educational Codeforces Round 151 (Rated for Div. 2) {1845} | PROGRAMMING | 117791 | ||
| 1590 | Boxes and Balls | dp implementation math | Statement | E | Educational Codeforces Round 151 (Rated for Div. 2) {1845} | PROGRAMMING | 117791 | ||
| 23596 | Come Together | geometry implementation math | Statement | B | Educational Codeforces Round 151 (Rated for Div. 2) {1845} | PROGRAMMING | 117791 | ||
| 46877 | Forbidden Integer | implementation math | Statement | A | Educational Codeforces Round 151 (Rated for Div. 2) {1845} | PROGRAMMING | 117791 | ||
| 25022 | Rudolf and Snowflakes (simple version) | binary search brute force implementation math | Statement | E1 | Codeforces Round 883 (Div. 3) {1846} | PROGRAMMING | |||
| 8480 | Rudolf and Snowflakes (hard version) | binary search brute force implementation math | Statement | E2 | Codeforces Round 883 (Div. 3) {1846} | PROGRAMMING | |||
| 28881 | Rudolph and Tic-Tac-Toe | brute force implementation strings | Statement | B | Codeforces Round 883 (Div. 3) {1846} | PROGRAMMING | |||
| 3709 | Rudolph and Mimic | constructive algorithms greedy implementation interactive | Statement | F | Codeforces Round 883 (Div. 3) {1846} | PROGRAMMING | |||
| 21439 | Rudolf and the Another Competition | constructive algorithms greedy implementation sortings | Statement | C | Codeforces Round 883 (Div. 3) {1846} | PROGRAMMING | |||
| 34727 | Rudolph and Cut the Rope | implementation math | Statement | A | Codeforces Round 883 (Div. 3) {1846} | PROGRAMMING | |||
| 4254 | Professor Higashikata | brute force data structures dsu greedy implementation sortings | Statement | D | Codeforces Round 882 (Div. 2) {1847} | PROGRAMMING | 2000.0 | Tutorial | |
| 371 | Triangle Platinum? | implementation interactive | Statement | E | Codeforces Round 882 (Div. 2) {1847} | PROGRAMMING | 2750.0 | Tutorial | |
| 24201 | Vika and the Bridge | binary search data structures greedy implementation math sortings | Statement | B | Codeforces Round 885 (Div. 2) {1848} | PROGRAMMING | 1000.0 | Codeforces Round #885 (Div.2) Editorial | |
| 32078 | Morning Sandwich | implementation math | Statement | A | Educational Codeforces Round 152 (Rated for Div. 2) {1849} | PROGRAMMING | 118752 | ||
| 34755 | Cardboard for Pictures | binary search geometry implementation math | Statement | E | Codeforces Round 886 (Div. 4) {1850} | PROGRAMMING | Codeforces Round #886 (Div. 4) Editorial | ||
| 60275 | Balanced Round | brute force greedy implementation sortings | Statement | D | Codeforces Round 886 (Div. 4) {1850} | PROGRAMMING | Codeforces Round #886 (Div. 4) Editorial | ||
| 24477 | We Were Both Children | brute force implementation math number theory | Statement | F | Codeforces Round 886 (Div. 4) {1850} | PROGRAMMING | Codeforces Round #886 (Div. 4) Editorial | ||
| 15373 | The Morning Star | combinatorics data structures geometry implementation math sortings | Statement | G | Codeforces Round 886 (Div. 4) {1850} | PROGRAMMING | Codeforces Round #886 (Div. 4) Editorial | ||
| 73804 | To My Critics | implementation sortings | Statement | A | Codeforces Round 886 (Div. 4) {1850} | PROGRAMMING | Codeforces Round #886 (Div. 4) Editorial | ||
| 50219 | Ten Words of Wisdom | implementation sortings | Statement | B | Codeforces Round 886 (Div. 4) {1850} | PROGRAMMING | Codeforces Round #886 (Div. 4) Editorial | ||
| 53332 | Word on the Paper | implementation strings | Statement | C | Codeforces Round 886 (Div. 4) {1850} | PROGRAMMING | Codeforces Round #886 (Div. 4) Editorial | ||
| 31471 | Escalator Conversations | brute force constructive algorithms implementation math | Statement | A | Codeforces Round 888 (Div. 3) {1851} | PROGRAMMING | 118667 | ||
| 4018 | Vlad and the Mountains | data structures dsu graphs implementation sortings trees two pointers | Statement | G | Codeforces Round 888 (Div. 3) {1851} | PROGRAMMING | 118667 | ||
| 17281 | Prefix Permutation Sums | implementation math | Statement | D | Codeforces Round 888 (Div. 3) {1851} | PROGRAMMING | 118667 | ||
| 9207 | Ntarsis' Set | binary search implementation math two pointers | Statement | A | Codeforces Round 887 (Div. 1) {1852} | PROGRAMMING | 500.0 | Codeforces Round 887 (Div 1, Div 2) Tutorial | |
| 1748 | PermuTree (hard version) | bitmasks dp implementation trees | Statement | E2 | Codeforces Round 890 (Div. 2) supported by Constructor Institute {1856} | PROGRAMMING | 1500.0 | Codeforces Round #890 (Div. 2) Editorial | |
| 27370 | Good Arrays | constructive algorithms implementation math | Statement | B | Codeforces Round 890 (Div. 2) supported by Constructor Institute {1856} | PROGRAMMING | 750.0 | Codeforces Round #890 (Div. 2) Editorial | |
| 24684 | Maximum Rounding | greedy implementation math | Statement | B | Codeforces Round 891 (Div. 3) {1857} | PROGRAMMING | 119134 | ||
| 12999 | The Walkway | brute force greedy implementation math number theory | Statement | B | Codeforces Round 893 (Div. 2) {1858} | PROGRAMMING | 1250.0 | Codeforces Round #893 (Div. 2) Editorial | 1500 |
| 12284 | Queries for the Array | data structures dfs and similar implementation strings trees | Statement | C | Educational Codeforces Round 154 (Rated for Div. 2) {1861} | PROGRAMMING | Educational Codeforces Round 154 Editorial | ||
| 36201 | Gift Carpet | greedy implementation strings | Statement | A | Codeforces Round 894 (Div. 3) {1862} | PROGRAMMING | Tutorial | ||
| 1637 | Exotic Queries | brute force data structures implementation sortings | Statement | F | Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) {1864} | PROGRAMMING | 2500.0 | Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) Editorial | |
| 21401 | Increasing and Decreasing | constructive algorithms implementation math | Statement | A | Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) {1864} | PROGRAMMING | 500.0 | Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) Editorial | |
| 2739 | Candy Party (Hard Version) | bitmasks constructive algorithms dp graphs greedy implementation math | Statement | B2 | Codeforces Round 896 (Div. 1) {1868} | PROGRAMMING | 750.0 | Codeforces Round 896 (Div. 1, Div. 2) Editorial | |
| 8299 | Candy Party (Easy Version) | bitmasks constructive algorithms graphs greedy implementation math | Statement | B1 | Codeforces Round 896 (Div. 1) {1868} | PROGRAMMING | 500.0 | Codeforces Round 896 (Div. 1, Div. 2) Editorial | |
| 373 | Flower-like Pseudotree | constructive algorithms graphs implementation trees | Statement | D | Codeforces Round 896 (Div. 1) {1868} | PROGRAMMING | 1750.0 | Codeforces Round 896 (Div. 1, Div. 2) Editorial | |
| 13084 | Colorful Table | binary search data structures dp implementation math sortings two pointers | Statement | C | CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) {1870} | PROGRAMMING | 1500.0 | CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) Editorial | |
| 7516 | Selling a Menagerie | dfs and similar dsu graphs implementation math | Statement | F | Codeforces Round 895 (Div. 3) {1872} | PROGRAMMING | Codeforces Round 895 (Div. 3) Editorial | ||
| 69292 | Target Practice | implementation math | Statement | C | Codeforces Round 898 (Div. 4) {1873} | PROGRAMMING | 120634 | ||
| 1565 | Interactive Game with Coloring | brute force constructive algorithms graphs implementation interactive math trees | Statement | E | Educational Codeforces Round 155 (Rated for Div. 2) {1879} | PROGRAMMING | 120773 | 2400 | |
| 3888 | Time Travel | binary search graphs implementation shortest paths | Statement | B | Codeforces Round 905 (Div. 1) {1887} | PROGRAMMING | 750.0 | Codeforces Round #905 (Div. 1, Div. 2, Div. 3) Editorial | |
| 900 | Game of Stacks | dfs and similar graphs implementation trees | Statement | D | Codeforces Round 906 (Div. 1) {1889} | PROGRAMMING | 2000.0 | Codeforces Round 906 Editorial | |
| 4546 | Suspicious logarithms | binary search brute force implementation math number theory | Statement | D | Codeforces Round 907 (Div. 2) {1891} | PROGRAMMING | 1500.0 | ||
| 12991 | Torn Lucky Ticket | brute force dp hashing implementation math | Statement | C | Educational Codeforces Round 157 (Rated for Div. 2) {1895} | PROGRAMMING | Educational Codeforces Round 157 Editorial | ||
| 17402 | Milica and String | brute force implementation strings | Statement | A | Codeforces Round 910 (Div. 2) {1898} | PROGRAMMING | 500.0 | Editorial for Codeforces Round #910 (Div. 2) | |
| 33081 | 250 Thousand Tons of TNT | brute force implementation number theory | Statement | B | Codeforces Round 909 (Div. 3) {1899} | PROGRAMMING | Разбор Codeforces Round 909 (Div. 3) | ||
| 18202 | Queue Sort | greedy implementation sortings | Statement | E | Codeforces Round 909 (Div. 3) {1899} | PROGRAMMING | Разбор Codeforces Round 909 (Div. 3) | ||
| 8561 | Yet Another Monster Fight | binary search greedy implementation math | Statement | D | Educational Codeforces Round 158 (Rated for Div. 2) {1901} | PROGRAMMING | Educational Codeforces Round 158 Editorial | ||
| 1463 | Trees and XOR Queries Again | bitmasks data structures dfs and similar implementation math trees | Statement | F | Educational Codeforces Round 159 (Rated for Div. 2) {1902} | PROGRAMMING | Educational Codeforces Round 159 Editorial | ||
| 5666 | Set To Max (Hard Version) | binary search constructive algorithms data structures dsu greedy implementation sortings two pointers | Statement | D2 | Codeforces Round 914 (Div. 2) {1904} | PROGRAMMING | 750.0 | Codeforces Round 914 (Div. 2) Editorial | |
| 1272 | Tree Queries | binary search data structures dfs and similar implementation trees | Statement | E | Codeforces Round 914 (Div. 2) {1904} | PROGRAMMING | 2750.0 | Codeforces Round 914 (Div. 2) Editorial | |
| 4598 | Cyclic MEX | binary search constructive algorithms data structures implementation math two pointers | Statement | D | Codeforces Round 915 (Div. 2) {1905} | PROGRAMMING | 2000.0 | Codeforces Round 915 (Div. 2) Editorial | |
| 30266 | YetnotherrokenKeoard | data structures implementation strings | Statement | B | Codeforces Round 913 (Div. 3) {1907} | PROGRAMMING | Codeforces Round 913 (Div. 3) Editorial | ||
| 18910 | Distinct Buttons | implementation math | Statement | A | Pinely Round 3 (Div. 1 + Div. 2) {1909} | PROGRAMMING | 500.0 | Editorial of Pinely Round 3 (Div. 1 + Div. 2) | |
| 734 | Poisonous Swamp | *special *special implementation implementation | Statement | C | Kotlin Heroes: Episode 9 (Unrated, T-Shirts + Prizes!) {1910} | PROGRAMMING | 123261 | ||
| 2971 | Accumulator Apex | implementation sortings | Statement | A | 2023-2024 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1912} | PROGRAMMING | Tutorials (PDF) | 1800 | |
| 1271 | Evaluate It and Back Again | constructive algorithms implementation math | Statement | E | 2023-2024 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1912} | PROGRAMMING | Tutorials (PDF) | 2200 | |
| 37736 | Three Activities | brute force dp implementation sortings | Statement | D | Codeforces Round 916 (Div. 3) {1914} | PROGRAMMING | Codeforces Round 916 (Div. 3) Editorial | ||
| 35086 | Problemsolving Log | implementation strings | Statement | A | Codeforces Round 916 (Div. 3) {1914} | PROGRAMMING | Codeforces Round 916 (Div. 3) Editorial | ||
| 9594 | Bicycles | dp graphs greedy implementation shortest paths sortings | Statement | G | Codeforces Round 918 (Div. 4) {1915} | PROGRAMMING | 123952 | ||
| 34985 | Unnatural Language Processing | dp greedy implementation strings | Statement | D | Codeforces Round 918 (Div. 4) {1915} | PROGRAMMING | 123952 | ||
| 9745 | Mathematical Problem | brute force constructive algorithms implementation math strings | Statement | D | Good Bye 2023 {1916} | PROGRAMMING | 1500.0 | ||
| 2632 | Happy Life in University | brute force data structures dfs and similar dp implementation trees | Statement | E | Good Bye 2023 {1916} | PROGRAMMING | 2000.0 | ||
| 19841 | Training Before the Olympiad | constructive algorithms games implementation math | Statement | C | Good Bye 2023 {1916} | PROGRAMMING | 1250.0 | ||
| 28259 | 2023 | constructive algorithms implementation math number theory | Statement | A | Good Bye 2023 {1916} | PROGRAMMING | 250.0 | ||
| 12341 | Watering an Array | brute force greedy implementation math | Statement | C | Codeforces Round 917 (Div. 2) {1917} | PROGRAMMING | 1500.0 | Editorial of Codeforces Round 917 (Div. 2) | |
| 6142 | Blocking Elements | binary search data structures dp greedy implementation two pointers | Statement | D | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 2000.0 | Codeforces Round #922 (Div. 2) Editorial | |
| 1095 | Caterpillar on a Tree | binary search dfs and similar graphs greedy implementation trees | Statement | F | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 3000.0 | Codeforces Round #922 (Div. 2) Editorial | |
| 2053 | ace5 and Task Order | binary search divide and conquer implementation interactive probabilities sortings | Statement | E | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 2500.0 | Codeforces Round #922 (Div. 2) Editorial | |
| 16586 | XOR-distance | bitmasks dp greedy implementation math | Statement | C | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 1250.0 | Codeforces Round #922 (Div. 2) Editorial | |
| 26939 | Minimize Inversions | constructive algorithms data structures greedy implementation sortings | Statement | B | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 1000.0 | Codeforces Round #922 (Div. 2) Editorial | |
| 32303 | Brick Wall | constructive algorithms greedy implementation math | Statement | A | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 500.0 | Codeforces Round #922 (Div. 2) Editorial | |
| 4555 | 01 Tree | data structures divide and conquer greedy implementation sortings trees | Statement | D | Hello 2024 {1919} | PROGRAMMING | 1500.0 | 2100 | |
| 6472 | Array Repetition | binary search data structures dp implementation math | Statement | D | Codeforces Round 919 (Div. 2) {1920} | PROGRAMMING | 2000.0 | Editorial for Codeforces Round #919 (Div. 2) | |
| 4964 | Sum of Progression | brute force data structures implementation math | Statement | F | Codeforces Round 920 (Div. 3) {1921} | PROGRAMMING | Editorial for Codeforces Round 920 (Div. 3) | ||
| 23318 | Forming Triangles | combinatorics implementation math | Statement | B | Educational Codeforces Round 161 (Rated for Div. 2) {1922} | PROGRAMMING | Educational Codeforces Round 161 Editorial | ||
| 28784 | Tricky Template | constructive algorithms implementation strings | Statement | A | Educational Codeforces Round 161 (Rated for Div. 2) {1922} | PROGRAMMING | Educational Codeforces Round 161 Editorial | ||
| 3272 | Space Harbour | brute force data structures implementation math sortings | Statement | B | Codeforces Round 921 (Div. 1) {1924} | PROGRAMMING | 1000.0 | Codeforces Round 921 (Div. 1, Div. 2) Editorial | |
| 14797 | Vlad and an Odd Ordering | binary search bitmasks data structures dp implementation math number theory | Statement | E | Codeforces Round 928 (Div. 4) {1926} | PROGRAMMING | 126132 | ||
| 4506 | Vlad and Trouble at MIT | dfs and similar dp flows graphs greedy implementation trees | Statement | G | Codeforces Round 928 (Div. 4) {1926} | PROGRAMMING | 126132 | ||
| 345 | Digital Patterns | combinatorics data structures implementation math | Statement | F | Codeforces Round 924 (Div. 2) {1928} | PROGRAMMING | 2750.0 | Codeforces Round 924 Editorial | |
| 2088 | Modular Sequence | constructive algorithms dp greedy implementation math number theory | Statement | E | Codeforces Round 924 (Div. 2) {1928} | PROGRAMMING | 2250.0 | Codeforces Round 924 Editorial | |
| 18856 | LR-remainders | brute force data structures implementation math | Statement | C | Codeforces Round 927 (Div. 3) {1932} | PROGRAMMING | 126196 | ||
| 10151 | Final Countdown | implementation math number theory | Statement | E | Codeforces Round 927 (Div. 3) {1932} | PROGRAMMING | 126196 | ||
| 36194 | Turtle Math: Fast Three Task | implementation number theory | Statement | B | Codeforces Round 929 (Div. 3) {1933} | PROGRAMMING | Codeforces Round 929 (Div. 3) Editorial | ||
| 1645 | Distance Learning Courses in MAC | binary search bitmasks data structures greedy implementation math | Statement | E | Codeforces Round 932 (Div. 2) {1935} | PROGRAMMING | 2500.0 | Codeforces Round #932 (Div. 2) Editorial | |
| 600 | Andrey's Tree | binary search constructive algorithms dsu greedy implementation trees | Statement | F | Codeforces Round 932 (Div. 2) {1935} | PROGRAMMING | 3000.0 | Codeforces Round #932 (Div. 2) Editorial | |
| 3550 | Pinball | binary search implementation math | Statement | B | Codeforces Round 930 (Div. 1) {1936} | PROGRAMMING | 1000.0 | Codeforces Round 930 (Div. 1, Div. 2) Editorial | |
| 24610 | Shuffle Party | implementation math | Statement | A | Codeforces Round 930 (Div. 2) {1937} | PROGRAMMING | 500.0 | Codeforces Round 930 (Div. 1, Div. 2) Editorial | |
| 270 | Three Arrays | *special constructive algorithms implementation sortings | Statement | B | XVIII Open Olympiad in Informatics - Final Stage, Day 2 (Unrated, Online Mirror, IOI rules) {1940} | PROGRAMMING | |||
| 4528 | Non-Palindromic Substring | data structures hashing implementation math strings | Statement | B | Codeforces Round 934 (Div. 1) {1943} | PROGRAMMING | 1250.0 | Codeforces Round #934 (Div1, Div2) Editorial | |
| 13674 | Tree Cutting | binary search dp greedy implementation trees | Statement | C | Codeforces Round 936 (Div. 2) {1946} | PROGRAMMING | 1500.0 | Codeforces Round #936 (Div. 2) Editorial | |
| 533 | Amanda the Amoeba | graphs implementation trees two pointers | Statement | J | European Championship 2024 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1949} | PROGRAMMING | European Championship 2024 (EUC) Editorial | ||
| 6039 | Shuffling Songs | bitmasks dp graphs implementation strings | Statement | G | Codeforces Round 937 (Div. 4) {1950} | PROGRAMMING | Codeforces Round 937 (Div. 4) Editorial | ||
| 17378 | Nearly Shortest Repeating Substring | brute force implementation number theory strings | Statement | E | Codeforces Round 937 (Div. 4) {1950} | PROGRAMMING | Codeforces Round 937 (Div. 4) Editorial | ||
| 26438 | Product of Binary Decimals | dp implementation number theory | Statement | D | Codeforces Round 937 (Div. 4) {1950} | PROGRAMMING | Codeforces Round 937 (Div. 4) Editorial | ||
| 46749 | Clock Conversion | implementation math | Statement | C | Codeforces Round 937 (Div. 4) {1950} | PROGRAMMING | Codeforces Round 937 (Div. 4) Editorial | ||
| 4466 | No Palindromes | brute force constructive algorithms greedy hashing implementation strings | Statement | E | Codeforces Global Round 25 {1951} | PROGRAMMING | 2250.0 | Codeforces Global Round 25 Editorial | |
| 899 | Help, what does it mean to be "Based" | brute force combinatorics constructive algorithms games implementation sortings | Statement | J | April Fools Day Contest 2024 {1952} | PROGRAMMING | April Fools Day Contest 2024 Editorial | ||
| 2955 | Chain Reaction | data structures dsu greedy implementation math number theory | Statement | E | Educational Codeforces Round 164 (Rated for Div. 2) {1954} | PROGRAMMING | Educational Codeforces Round 164 Editorial | ||
| 21464 | Make It Ugly | implementation math | Statement | B | Educational Codeforces Round 164 (Rated for Div. 2) {1954} | PROGRAMMING | Educational Codeforces Round 164 Editorial | ||
| 10523 | Long Inversions | brute force greedy implementation sortings | Statement | E | Codeforces Round 938 (Div. 3) {1955} | PROGRAMMING | 128243 | ||
| 32211 | Progressive Square | constructive algorithms data structures implementation sortings | Statement | B | Codeforces Round 938 (Div. 3) {1955} | PROGRAMMING | 128243 | ||
| 24454 | Inhabitant of the Deep Sea | greedy implementation math | Statement | C | Codeforces Round 938 (Div. 3) {1955} | PROGRAMMING | 128243 | ||
| 1667 | Nene vs. Monsters (Easy Version) | brute force implementation math | Statement | E1 | Codeforces Round 939 (Div. 2) {1956} | PROGRAMMING | 1500.0 | [Editorial] Codeforces Round 939 (Div. 2) | |
| 1116 | Nene vs. Monsters (Hard Version) | brute force implementation math | Statement | E2 | Codeforces Round 939 (Div. 2) {1956} | PROGRAMMING | 750.0 | [Editorial] Codeforces Round 939 (Div. 2) | |
| 14908 | Permutation Counting | binary search greedy implementation math sortings | Statement | A | Codeforces Round 942 (Div. 1) {1967} | PROGRAMMING | 750.0 | Tutorial | 1400 |
| 971 | Long Way to be Non-decreasing | binary search dfs and similar graphs implementation shortest paths two pointers | Statement | D | Codeforces Round 942 (Div. 1) {1967} | PROGRAMMING | 1750.0 | Tutorial | 2800 |
| 22006 | Two Friends | constructive algorithms implementation math | Statement | A | Educational Codeforces Round 165 (Rated for Div. 2) {1969} | PROGRAMMING | Educational Codeforces Round 165 Editorial | 800 | |
| 7183 | Balanced Shuffle (Easy) | implementation sortings | Statement | A1 | Helvetic Coding Contest 2024 online mirror (teams allowed, unrated) {1970} | PROGRAMMING | Helvetic Coding Contest 2024 Editorial | 1000 | |
| 30478 | Binary Cut | dp greedy implementation sortings strings | Statement | D | Codeforces Round 944 (Div. 4) {1971} | PROGRAMMING | Codeforces Round 944 (Div. 4) Editorial | 1100 | |
| 12422 | Circle Perimeter | binary search brute force dfs and similar geometry implementation math | Statement | F | Codeforces Round 944 (Div. 4) {1971} | PROGRAMMING | Codeforces Round 944 (Div. 4) Editorial | 1600 | |
| 59009 | My First Sorting Problem | implementation sortings | Statement | A | Codeforces Round 944 (Div. 4) {1971} | PROGRAMMING | Codeforces Round 944 (Div. 4) Editorial | 800 | |
| 44424 | Different String | implementation strings | Statement | B | Codeforces Round 944 (Div. 4) {1971} | PROGRAMMING | Codeforces Round 944 (Div. 4) Editorial | 800 | |
| 9828 | Cat, Fox and Double Maximum | constructive algorithms greedy implementation math sortings | Statement | C | Codeforces Round 945 (Div. 2) {1973} | PROGRAMMING | 1500.0 | Editorial for Codeforces Round #945 (Div. 2) | 1700 |
| 319 | Maximum GCD Sum Queries | bitmasks brute force dp implementation number theory | Statement | F | Codeforces Round 945 (Div. 2) {1973} | PROGRAMMING | 3000.0 | Editorial for Codeforces Round #945 (Div. 2) | 3100 |
| 28470 | Chess For Three | brute force dp implementation math | Statement | A | Codeforces Round 945 (Div. 2) {1973} | PROGRAMMING | 500.0 | Editorial for Codeforces Round #945 (Div. 2) | 900 |
| 4388 | Cutting Game | binary search brute force data structures implementation sortings two pointers | Statement | F | Codeforces Round 946 (Div. 3) {1974} | PROGRAMMING | Codeforces Round #946 (Div. 3) Editorial | 1900 | |
| 34355 | Symmetric Encoding | implementation sortings strings | Statement | B | Codeforces Round 946 (Div. 3) {1974} | PROGRAMMING | Codeforces Round #946 (Div. 3) Editorial | 800 | |
| 2861 | Chain Queries | binary search data structures dfs and similar implementation trees | Statement | E | Codeforces Round 947 (Div. 1 + Div. 2) {1975} | PROGRAMMING | 2000.0 | editorial_zh.pdf | 2100 |
| 20673 | Bazoka and Mocha's Array | brute force greedy implementation sortings | Statement | A | Codeforces Round 947 (Div. 1 + Div. 2) {1975} | PROGRAMMING | 250.0 | editorial_zh.pdf | 800 |
| 5773 | Invertible Bracket Sequences | binary search combinatorics data structures divide and conquer implementation two pointers | Statement | D | Educational Codeforces Round 166 (Rated for Div. 2) {1976} | PROGRAMMING | Educational Codeforces Round 166 Editorial | ||
| 12385 | Job Interview | binary search dp greedy implementation two pointers | Statement | C | Educational Codeforces Round 166 (Rated for Div. 2) {1976} | PROGRAMMING | Educational Codeforces Round 166 Editorial | ||
| 32589 | Verify Password | implementation sortings | Statement | A | Educational Codeforces Round 166 (Rated for Div. 2) {1976} | PROGRAMMING | Educational Codeforces Round 166 Editorial | ||
| 17750 | Manhattan Permutations | constructive algorithms greedy implementation math | Statement | C | Codeforces Round 953 (Div. 2) {1978} | PROGRAMMING | 1250.0 | 130527 | |
| 13595 | Elections | data structures greedy implementation math | Statement | D | Codeforces Round 953 (Div. 2) {1978} | PROGRAMMING | 1500.0 | 130527 | |
| 17321 | GCD-sequence | greedy implementation math math number theory number theory | Statement | D | Codeforces Round 950 (Div. 3) {1980} | PROGRAMMING | 130135 | ||
| 6329 | Turtle and an Incomplete Sequence | bitmasks constructive algorithms greedy implementation math | Statement | C | Codeforces Round 949 (Div. 2) {1981} | PROGRAMMING | 1500.0 | Simplified Chinese Tutorial | |
| 9709 | Beauty of the mountains | brute force data structures implementation math number theory | Statement | D | Codeforces Round 955 (Div. 2, with prizes from NEAR!) {1982} | PROGRAMMING | 1750.0 | 130839 | |
| 19727 | Collatz Conjecture | brute force implementation math number theory | Statement | B | Codeforces Round 955 (Div. 2, with prizes from NEAR!) {1982} | PROGRAMMING | 1000.0 | 130839 | |
| 27468 | Soccer | greedy implementation math sortings | Statement | A | Codeforces Round 955 (Div. 2, with prizes from NEAR!) {1982} | PROGRAMMING | 500.0 | 130839 | |
| 18365 | Corner Twist | constructive algorithms greedy implementation math | Statement | B | Codeforces Round 956 (Div. 2) and ByteRace 2024 {1983} | PROGRAMMING | 1000.0 | ||
| 20911 | Large Addition | constructive algorithms implementation math | Statement | B | Codeforces Global Round 26 {1984} | PROGRAMMING | 750.0 | Codeforces Global Round 26 Editorial | |
| 299 | Magic Trick II | constructive algorithms implementation sortings | Statement | G | Codeforces Global Round 26 {1984} | PROGRAMMING | 4000.0 | Codeforces Global Round 26 Editorial | |
| 3869 | ''a'' String Problem | hashing implementation math string suffix structures strings | Statement | D | Codeforces Global Round 26 {1984} | PROGRAMMING | 2500.0 | Codeforces Global Round 26 Editorial | |
| 41302 | Manhattan Circle | implementation math | Statement | D | Codeforces Round 952 (Div. 4) {1985} | PROGRAMMING | Codeforces Round 952 (Div. 4) Editorial | ||
| 71805 | Creating Words | implementation strings | Statement | A | Codeforces Round 952 (Div. 4) {1985} | PROGRAMMING | Codeforces Round 952 (Div. 4) Editorial | ||
| 16141 | Light Switches | implementation math | Statement | C | Codeforces Round 963 (Div. 2) {1993} | PROGRAMMING | 1500.0 | Editorial of Codeforces Round 963 (Div. 2) | |
| 10254 | Squaring | brute force constructive algorithms data structures greedy implementation math number theory | Statement | C | Codeforces Round 961 (Div. 2) {1995} | PROGRAMMING | 1750.0 | Video Tutorial | |
| 26380 | Diagonals | brute force greedy implementation math | Statement | A | Codeforces Round 961 (Div. 2) {1995} | PROGRAMMING | 500.0 | Video Tutorial | |
| 26098 | Find K Distinct Points with Fixed Center | constructive algorithms implementation math | Statement | A | Codeforces Round 965 (Div. 2) {1998} | PROGRAMMING | 500.0 | Video Tutorial | |
| 23529 | Triple Operations | dp implementation math | Statement | E | Codeforces Round 964 (Div. 4) {1999} | PROGRAMMING | Video Tutorial | ||
| 32583 | Slavic's Exam | greedy implementation strings | Statement | D | Codeforces Round 964 (Div. 4) {1999} | PROGRAMMING | Video Tutorial | ||
| 83203 | A+B Again? | implementation math | Statement | A | Codeforces Round 964 (Div. 4) {1999} | PROGRAMMING | Video Tutorial | ||
| 2298 | Ksyusha and the Loaded Set | binary search data structures dp implementation trees | Statement | H | Codeforces Round 966 (Div. 3) {2000} | PROGRAMMING | 132689 | ||
| 6906 | Color Rows and Columns | dp greedy implementation math | Statement | F | Codeforces Round 966 (Div. 3) {2000} | PROGRAMMING | 132689 | ||
| 28696 | Right Left Wrong | greedy implementation two pointers | Statement | D | Codeforces Round 966 (Div. 3) {2000} | PROGRAMMING | 132689 | ||
| 43987 | Primary Task | implementation math strings | Statement | A | Codeforces Round 966 (Div. 3) {2000} | PROGRAMMING | 132689 | ||
| 2857 | DFS Checker (Hard Version) | constructive algorithms data structures dfs and similar hashing implementation trees | Statement | D2 | EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) {2002} | PROGRAMMING | 1250.0 | EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) Editorial | |
| 21297 | Distanced Coloring | constructive algorithms implementation math | Statement | A | EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) {2002} | PROGRAMMING | 500.0 | EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) Editorial | |
| 2911 | Cosmic Rays | data structures dfs and similar greedy implementation trees | Statement | E | EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) {2002} | PROGRAMMING | 2000.0 | EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) Editorial | |
| 33628 | Closest Point | implementation math | Statement | A | Educational Codeforces Round 169 (Rated for Div. 2) {2004} | PROGRAMMING | Educational Codeforces Round 169 Editorial | ||
| 32846 | The Legend of Freya the Frog | implementation math | Statement | C | Codeforces Round 971 (Div. 4) {2009} | PROGRAMMING | Codeforces Round 971 (Div. 4) Editorial | ||
| 24667 | Three Brothers | brute force implementation math | Statement | B | Testing Round 19 (Div. 3) {2010} | PROGRAMMING | 800 | ||
| 21214 | Alternating Sum of Numbers | implementation math | Statement | A | Testing Round 19 (Div. 3) {2010} | PROGRAMMING | 800 | ||
| 650 | Game in Tree (Easy Version) | binary search data structures games implementation trees | Statement | F1 | Codeforces Round 973 (Div. 2) {2013} | PROGRAMMING | 2000.0 | 134298 | |
| 7440 | Minimize the Difference | binary search data structures greedy implementation math | Statement | D | Codeforces Round 973 (Div. 2) {2013} | PROGRAMMING | 2000.0 | 134298 | |
| 5161 | Speedbreaker | binary search dp greedy implementation math two pointers | Statement | B | Codeforces Round 975 (Div. 1) {2018} | PROGRAMMING | 750.0 | Editorial of Codeforces Round 975 (Div. 1, Div. 2) | |
| 12567 | Cards Partition | brute force greedy implementation math | Statement | A | Codeforces Round 975 (Div. 1) {2018} | PROGRAMMING | 500.0 | Editorial of Codeforces Round 975 (Div. 1, Div. 2) | |
| 325 | Speedbreaker Counting (Easy Version) | combinatorics dp games greedy implementation math | Statement | F1 | Codeforces Round 975 (Div. 1) {2018} | PROGRAMMING | 1500.0 | Editorial of Codeforces Round 975 (Div. 1, Div. 2) | |
| 2182 | Max Plus Min Plus Size | data structures dp dsu greedy implementation matrices | Statement | D | Codeforces Round 975 (Div. 1) {2018} | PROGRAMMING | 1500.0 | Editorial of Codeforces Round 975 (Div. 1, Div. 2) | |
| 17221 | All Pairs Segments | data structures implementation math | Statement | B | Codeforces Round 975 (Div. 2) {2019} | PROGRAMMING | 1000.0 | Editorial of Codeforces Round 975 (Div. 1, Div. 2) | |
| 18233 | Bitwise Balancing | bitmasks implementation math | Statement | C | Codeforces Round 976 (Div. 2) and Divide By Zero 9.0 {2020} | PROGRAMMING | 1250.0 | Tutorial for Codeforces Round 976 (Div. 2) and Divide By Zero 9.0 |