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Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 475 | Flags | dp math matrices | Statement | D | Codeforces Beta Round 76 (Div. 1 Only) {93} | PROGRAMMING | Codeforces Beta Round 76 - задача Е div 1 глазами ее автора. | 2400 | |
| 519 | Crime Management | dp graphs matrices | Statement | D | Codeforces Beta Round 83 (Div. 1 Only) {107} | PROGRAMMING | Tutorial | 2400 | |
| 26255 | Tetrahedron | dp math matrices | Statement | E | Codeforces Round 113 (Div. 2) {166} | PROGRAMMING | Codeforces Round #113 (Div. 2) Tutorial | 1500 | |
| 2381 | AlgoRace | dp shortest paths | Statement | B | Codeforces Round 119 (Div. 1) {187} | PROGRAMMING | Tutorial | 1900 | |
| 3263 | Clear Symmetry | constructive algorithms dp math | Statement | A | Codeforces Round 127 (Div. 1) {201} | PROGRAMMING | Разбор задач | 1700 | |
| 3710 | Decoding Genome | dp matrices | Statement | E | Codeforces Round 137 (Div. 2) {222} | PROGRAMMING | Разбор задач Codeforces Round #137 (Div. 2) | 2000 | |
| 10302 | Barcode | dp matrices | Statement | C | Codeforces Round 139 (Div. 2) {225} | PROGRAMMING | 1800 | ||
| 2304 | Turtles | dp matrices | Statement | D | Codeforces Round 202 (Div. 1) {348} | PROGRAMMING | Editorial for Codeforces Round #202 | 2500 | |
| 660 | Jeff and Brackets | dp matrices | Statement | C | Codeforces Round 204 (Div. 1) {351} | PROGRAMMING | Codeforces Round #204 — tutorial | 2800 | |
| 674 | Little Pony and Elements of Harmony | dp matrices | Statement | D | Codeforces Round 259 (Div. 1) {453} | PROGRAMMING | Codeforces Round #259 Editorial | 2900 | |
| 338 | Subsequences Return | dp matrices | Statement | E | Codeforces Round 283 (Div. 1) {497} | PROGRAMMING | 15208 | 2900 | |
| 615 | Stairs and Lines | dp matrices | Statement | E | Codeforces Round 284 (Div. 1) {498} | PROGRAMMING | Codeforces Round #284 Editorial | 2600 | |
| 1021 | Mr. Kitayuta's Gift | combinatorics dp matrices strings | Statement | E | Codeforces Round 286 (Div. 1) {506} | PROGRAMMING | Editorial | 2900 | |
| 1793 | Darth Vader and Tree | dp matrices | Statement | E | Codeforces Round 291 (Div. 2) {514} | PROGRAMMING | Codeforces Round #291 (Div. 2) Editorial | 2500 | |
| 1671 | Flights for Regular Customers | dp matrices | Statement | D | Codeforces Round 319 (Div. 1) {576} | PROGRAMMING | Editorial Codeforces Round #319 | 2600 | |
| 3667 | Once Again... | constructive algorithms dp matrices | Statement | B | Codeforces Round 323 (Div. 1) {582} | PROGRAMMING | Codeforces Round #323 Editorial | 2000 | |
| 725 | Strange Calculation and Cats | dp matrices | Statement | E | Codeforces Round 329 (Div. 2) {593} | PROGRAMMING | 2600 | ||
| 273 | Combining Slimes | dp math matrices probabilities | Statement | G | Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) {618} | PROGRAMMING | Wunder Fund Round 2016 Editorials | 3300 | |
| 3363 | Wet Shark and Blocks | dp matrices | Statement | E | Codeforces Round 341 (Div. 2) {621} | PROGRAMMING | Editorial | 2100 | |
| 2306 | PLEASE | combinatorics dp implementation math matrices | Statement | C | Codeforces Round 362 (Div. 1) {696} | PROGRAMMING | Codeforces Round #362 (Editorial) | 2200 | |
| 1690 | Legen... | data structures dp matrices strings | Statement | D | Codeforces Round 362 (Div. 1) {696} | PROGRAMMING | Codeforces Round #362 (Editorial) | 2700 | |
| 1952 | New Year and Old Subsequence | data structures divide and conquer dp matrices | Statement | E | Good Bye 2016 {750} | PROGRAMMING | Good Bye 2016 — hints and codes | 2600 | |
| 1306 | Axel and Marston in Bitland | bitmasks dp graphs matrices | Statement | F | Технокубок 2017 - Финал (только для онсайт-финалистов) {780} | PROGRAMMING | Technocup 2017 Finals and Codeforces Round #403 Editorial | 2800 | |
| 1700 | Okabe and El Psy Kongroo | dp matrices | Statement | E | Codeforces Round 420 (Div. 2) {821} | PROGRAMMING | Tutorial | 2200 | |
| 1790 | Neural Network country | dp matrices | Statement | B | Bubble Cup X - Finals [Online Mirror] {852} | PROGRAMMING | Tutorial | 2000 | |
| 1514 | Stranger Trees | dp math matrices trees | Statement | D | Codeforces Round 459 (Div. 1) {917} | PROGRAMMING | Codeforces Round #459 Editorial | 2600 | |
| 480 | Pollywog | combinatorics dp matrices | Statement | C | Codeforces Round 459 (Div. 1) {917} | PROGRAMMING | Codeforces Round #459 Editorial | 2800 | |
| 672 | Fibonacci String Subsequences | combinatorics dp matrices | Statement | F | Educational Codeforces Round 39 (Rated for Div. 2) {946} | PROGRAMMING | 58210 | 2500 | |
| 1435 | Runner's Problem | dp matrices sortings | Statement | F | Educational Codeforces Round 40 (Rated for Div. 2) {954} | PROGRAMMING | 58519 | 2300 | |
| 2951 | Mahmoud and Ehab and yet another xor task | bitmasks dp math matrices | Statement | F | Codeforces Round 473 (Div. 2) {959} | PROGRAMMING | Codeforces round #473 editorial | 2600 | |
| 333 | A Trance of Nightfall | dp geometry matrices probabilities | Statement | E | Codeforces Round 487 (Div. 2) {989} | PROGRAMMING | Codeforces Round #487 (Div. 2) Editorial | 2900 | |
| 5445 | Magic Gems | dp math matrices | Statement | D | Educational Codeforces Round 60 (Rated for Div. 2) {1117} | PROGRAMMING | 65365 | 2000 | |
| 1516 | Sonya and Informatics | combinatorics dp matrices probabilities | Statement | F | Codeforces Round 553 (Div. 2) {1151} | PROGRAMMING | Codeforces Round #553 (Div. 2) Editorial | 2500 | |
| 831 | Neko Rules the Catniverse (Small Version) | bitmasks dp matrices | Statement | F1 | Codeforces Round 554 (Div. 2) {1152} | PROGRAMMING | T | 2900 | |
| 1048 | Neko Rules the Catniverse (Large Version) | bitmasks dp matrices | Statement | F2 | Codeforces Round 554 (Div. 2) {1152} | PROGRAMMING | T | 2900 | |
| 3461 | Product Oriented Recurrence | dp math matrices number theory | Statement | E | Codeforces Round 566 (Div. 2) {1182} | PROGRAMMING | 67614 | 2200 | |
| 382 | Coloring Game | dp games matrices | Statement | F | Educational Codeforces Round 69 (Rated for Div. 2) {1197} | PROGRAMMING | E | 2500 | |
| 144 | Red-Blue Graph | dp graphs math matrices meet-in-the-middle | Statement | H | Codeforces Global Round 6 {1266} | PROGRAMMING | Codeforces Global Round 6 Editorial | 3400 | |
| 28342 | Polygon | dp graphs implementation shortest paths | Statement | E | Codeforces Round 644 (Div. 3) {1360} | PROGRAMMING | Codeforces Round #644 (Div. 3) Editorial | 1300 | |
| 9280 | TediousLee | dp graphs greedy math matrices trees | Statement | D | Codeforces Round 652 (Div. 2) {1369} | PROGRAMMING | 2000.0 | Codeforces Round #652 (Div. 2) Editorial | 1900 |
| 943 | Strange Addition | data structures dp matrices | Statement | F | Educational Codeforces Round 91 (Rated for Div. 2) {1380} | PROGRAMMING | Educational Codeforces Round 91 Editorial | ||
| 271 | Star Trek | *special combinatorics dfs and similar dp games graphs matrices trees | Statement | C | Central-European Olympiad in Informatics, CEOI 2020, Day 1 (IOI, Unofficial Mirror Contest, Unrated) {1402} | PROGRAMMING | Editorial | ||
| 356 | 1 2 3 4 ... | dp matrices | Statement | F | Codeforces Round 696 (Div. 2) {1474} | PROGRAMMING | 3000.0 | Codeforces Round #696 Editorial | |
| 598 | Chainword | data structures dp math matrices strings | Statement | F | Educational Codeforces Round 107 (Rated for Div. 2) {1511} | PROGRAMMING | 89634 | ||
| 16849 | Add One | dp matrices | Statement | C | Divide by Zero 2021 and Codeforces Round 714 (Div. 2) {1513} | PROGRAMMING | 1500.0 | Divide by Zero 2021 and Codeforces Round #714 (Div. 2) Editorial | |
| 2510 | William The Oblivious | data structures divide and conquer dp matrices | Statement | E | Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2) {1609} | PROGRAMMING | 2750.0 | Deltix Round, Autumn 2021. Editorial | 2400 |
| 7105 | Infinite Set | dp math matrices number theory strings | Statement | D | Codeforces Round 772 (Div. 2) {1635} | PROGRAMMING | 2250.0 | Codeforces Round #772 Editorial | |
| 989 | Labyrinth Adventures | data structures dp greedy matrices shortest paths | Statement | E | Educational Codeforces Round 129 (Rated for Div. 2) {1681} | PROGRAMMING | 103163 | 2600 | |
| 1861 | Intersection and Union | combinatorics data structures dp math matrices | Statement | F | Educational Codeforces Round 137 (Rated for Div. 2) {1743} | PROGRAMMING | Educational Codeforces Round 137 Editorial | 2300 | |
| 1525 | Decomposition | brute force divide and conquer dp matrices | Statement | E | Educational Codeforces Round 139 (Rated for Div. 2) {1766} | PROGRAMMING | 110066 | ||
| 892 | Minibuses on Venus (medium version) | combinatorics divide and conquer dp matrices | Statement | E2 | Codeforces Round 861 (Div. 2) {1808} | PROGRAMMING | 1000.0 | Codeforces Round #861 (Div. 2) editorial | 2500 |
| 575 | Asterism Stream | dp math matrices probabilities | Statement | H | Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) {1864} | PROGRAMMING | 3500.0 | Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) Editorial | |
| 751 | Matrix Rank (Easy Version) | brute force combinatorics dp math matrices | Statement | H1 | Good Bye 2023 {1916} | PROGRAMMING | 2750.0 | ||
| 681 | Matrix Rank (Hard Version) | combinatorics dp math matrices | Statement | H2 | Good Bye 2023 {1916} | PROGRAMMING | 1750.0 | ||
| 2166 | Trails (Medium) | dp matrices | Statement | E2 | Helvetic Coding Contest 2024 online mirror (teams allowed, unrated) {1970} | PROGRAMMING | Helvetic Coding Contest 2024 Editorial | 2000 | |
| 1233 | Trails (Hard) | dp matrices | Statement | E3 | Helvetic Coding Contest 2024 online mirror (teams allowed, unrated) {1970} | PROGRAMMING | Helvetic Coding Contest 2024 Editorial | 2200 | |
| 417 | Let Me Teach You a Lesson (Hard Version) | 2-sat bitmasks data structures dp graphs matrices two pointers | Statement | E2 | Codeforces Round 961 (Div. 2) {1995} | PROGRAMMING | 1500.0 | Video Tutorial | |
| 2241 | 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) | |
| 930 | Two Subarrays | data structures dp implementation matrices | Statement | F | Educational Codeforces Round 172 (Rated for Div. 2) {2042} | PROGRAMMING | 136886 | ||
| 2673 | Hard Demon Problem | data structures dp implementation math | Statement | H | Codeforces Round 993 (Div. 4) {2044} | PROGRAMMING | Codeforces Round 993 (Div. 4) Editorial | ||
| 2028 | Bro Thinks He's Him | combinatorics data structures dp matrices | Statement | H | Codeforces Round 1003 (Div. 4) {2065} | PROGRAMMING | Video Tutorial | ||
| 1061 | Long Journey | dfs and similar dp graphs matrices number theory shortest paths | Statement | F | Educational Codeforces Round 183 (Rated for Div. 2) {2145} | PROGRAMMING | Educational Codeforces Round 183 Editorial | ||
| 3366 | Sub-RBS (Hard Version) | combinatorics dp games implementation matrices strings | Statement | B2 | Codeforces Round 1073 (Div. 1) {2190} | PROGRAMMING | 750.0 | Codeforces Round 1073 (Div. 1, Div. 2) Editorial | |
| 496 | Grid Path | dp graphs matrices | Statement | G | Educational Codeforces Round 188 (Rated for Div. 2) {2204} | PROGRAMMING | Educational Codeforces Round 188 Editorial |