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< 1 2 3 4 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Root of quantum Fourier transform | Statement | E2 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 393 | Breadboard Capacity (easy version) | Statement | H1 | Codeforces Global Round 8 {1368} | PROGRAMMING | 3000.0 | Codeforces Global Round 8: editorial | ||
| 248 | Breadboard Capacity (hard version) | Statement | H2 | Codeforces Global Round 8 {1368} | PROGRAMMING | 1500.0 | Codeforces Global Round 8: editorial | ||
| 155 | Boboniu and Banknote Collection | Statement | E | Codeforces Round 664 (Div. 1) {1394} | PROGRAMMING | 2500.0 | Codeforces Round #664 Editorial | 3500 | |
| 85 | Wakanda Forever | Statement | A | Bubble Cup 13 - Finals [Online Mirror, unrated, Div. 1] {1423} | PROGRAMMING | FinalsEditorial2020.pdf | |||
| 44 | Does anyone else hate the wind? | Statement | D | Bubble Cup 13 - Finals [Online Mirror, unrated, Div. 1] {1423} | PROGRAMMING | FinalsEditorial2020.pdf | |||
| 162 | BubbleSquare Tokens | Statement | N | Bubble Cup 13 - Finals [Online Mirror, unrated, Div. 1] {1423} | PROGRAMMING | FinalsEditorial2020.pdf | |||
| 204 | A Convex Game | Statement | E | Codeforces Round 679 (Div. 1, based on Technocup 2021 Elimination Round 1) {1434} | PROGRAMMING | 2500.0 | Codeforces Round 679 (Div. 1, Div. 2) and Technocup Round 1 editorial | ||
| 511 | Game On Tree | Statement | G | Educational Codeforces Round 98 (Rated for Div. 2) {1452} | PROGRAMMING | 84847 | |||
| 20133 | Two Brackets | data structures greedy | Statement | C | Educational Codeforces Round 98 (Rated for Div. 2) {1452} | PROGRAMMING | 84847 | ||
| 340 | Range Diameter Sum | Statement | F | Codeforces Round 691 (Div. 1) {1458} | PROGRAMMING | 3500.0 | Codeforces Round #691 Editorial (finished) | ||
| 17209 | Add to Neighbour and Remove | greedy math number theory | Statement | D | Codeforces Round 690 (Div. 3) {1462} | PROGRAMMING | Codeforces Round #690 (Div. 3) Editorial | ||
| 6540 | Three Bags | brute force constructive algorithms greedy | Statement | C | Codeforces Round 695 (Div. 2) {1467} | PROGRAMMING | 1500.0 | Codeforces Round #695 (Div. 2) Editorial | 1900 |
| 20745 | Prison Break | Statement | A | Технокубок 2021 - Финал {1482} | PROGRAMMING | 500.0 | Technocup 2021: Final Round and Codeforces Round #709 — tutorial | ||
| 11270 | Prison Break | Statement | A | Codeforces Round 709 (Div. 2, based on Technocup 2021 Final Round) {1484} | PROGRAMMING | 500.0 | Technocup 2021: Final Round and Codeforces Round #709 — tutorial | ||
| 826 | Xenolith? Hippodrome? | Statement | D | April Fools Day Contest 2021 {1505} | PROGRAMMING | tutorial | |||
| 315 | Encoded message | Statement | G | April Fools Day Contest 2021 {1505} | PROGRAMMING | tutorial | |||
| 525 | L BREAK into program | Statement | H | April Fools Day Contest 2021 {1505} | PROGRAMMING | tutorial | |||
| 573 | Mysterious language again, seriously? | Statement | I | April Fools Day Contest 2021 {1505} | PROGRAMMING | tutorial | |||
| 161 | ASCII Automata Art | Statement | A | 2020-2021 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1510} | PROGRAMMING | ||||
| 260 | Equilibrium Point /\textbackslash/\textbackslash | Statement | E | 2020-2021 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1510} | PROGRAMMING | ||||
| 60 | Fiber Shape | Statement | F | 2020-2021 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1510} | PROGRAMMING | nerc-2020-offline-tutorial.pdf | |||
| 1328 | Guide | Statement | G | 2020-2021 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1510} | PROGRAMMING | ||||
| 357 | Gates to Another World | Statement | G | Deltix Round, Summer 2021 (open for everyone, rated, Div. 1 + Div. 2) {1556} | PROGRAMMING | 3000.0 | 94384 | 3300 | |
| 347 | Eye-Pleasing City Park Tour | Statement | E | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | |||
| 274 | Managing Telephone Poles | Statement | M | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | |||
| 11 | Cactus Lady and her Cing | Statement | C | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | |||
| 46 | Dragon Curve | Statement | D | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | |||
| 38623 | Elections | Statement | A | Codeforces Round 748 (Div. 3) {1593} | PROGRAMMING | Editorial for Codeforces Round #748 (Div.3) | |||
| 1793 | Changing Brackets | data structures greedy | Statement | G | Codeforces Round 748 (Div. 3) {1593} | PROGRAMMING | Editorial for Codeforces Round #748 (Div.3) | ||
| 147 | Restaurant Game | Statement | B | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | BubbleCup2021.pdf | |||
| 31 | Bubble Popping | Statement | D | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | BubbleCup2021.pdf | |||
| 358 | Mars | Statement | F | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | BubbleCup2021.pdf | |||
| 96 | Pushing Robots | Statement | H | Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2) {1609} | PROGRAMMING | 3750.0 | Deltix Round, Autumn 2021. Editorial | 3500 | |
| 18783 | Polycarp Recovers the Permutation | constructive algorithms | Statement | C | Codeforces Round 756 (Div. 3) {1611} | PROGRAMMING | Tutorial | 1000 | |
| 977 | Subsequences Galore | bitmasks combinatorics dp math | Statement | G | Educational Codeforces Round 119 (Rated for Div. 2) {1620} | PROGRAMMING | 98061 | ||
| 8740 | Replace the Numbers | data structures ds greedy trees | Statement | E | Educational Codeforces Round 119 (Rated for Div. 2) {1620} | PROGRAMMING | 98061 | ||
| 4549 | Organizing SWERC | Statement | A | SWERC 2021-2022 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1662} | PROGRAMMING | 102042 | |||
| 1438 | Is it rated - 3 | Statement | D | April Fools Day Contest 2022 {1663} | PROGRAMMING | April Fools Day Contest 2022 Editorial | |||
| 355 | In Every Generation... | Statement | F | April Fools Day Contest 2022 {1663} | PROGRAMMING | April Fools Day Contest 2022 Editorial | |||
| 216 | Six Characters | Statement | G | April Fools Day Contest 2022 {1663} | PROGRAMMING | April Fools Day Contest 2022 Editorial | |||
| 124 | Admissible Map | Statement | A | 2021-2022 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1666} | PROGRAMMING | Tutorial (PDF) | |||
| 59 | Budget Distribution | Statement | B | 2021-2022 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1666} | PROGRAMMING | Tutorial (PDF) | |||
| 275 | Kingdom Partition | Statement | K | 2021-2022 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1666} | PROGRAMMING | Tutorial (PDF) | |||
| 16998 | A-B-C Sort | constructive algorithms implementation sortings | Statement | D | Codeforces Round 786 (Div. 3) {1674} | PROGRAMMING | 102482 | ||
| 3262 | Almost Triple Deletions | data structures dp greedy | Statement | D | Codeforces Round 804 (Div. 2) {1699} | PROGRAMMING | 1750.0 | Codeforces Round #804 (Div. 2) Editorial | |
| 23693 | Technical Support | Statement | A | Codeforces Round 829 (Div. 2) {1754} | PROGRAMMING | 500.0 | Tutorial | 800 | |
| 1397 | Hospital Queue | binary search graphs greedy | Statement | H | 2022-2023 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules, Preferably Teams) {1765} | PROGRAMMING | 109642 | 2200 | |
| 2774 | Count Binary Strings | Statement | C | Educational Codeforces Round 140 (Rated for Div. 2) {1767} | PROGRAMMING | 110225 | |||
| 113 | Jumbled Trees | Statement | J | 2022-2023 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1773} | PROGRAMMING | 2900 | |||
| 32 | Cactus Meets Torus | Statement | C | 2022-2023 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1773} | PROGRAMMING | 3500 | |||
| 130 | Window Signals (easy version) | Statement | H1 | VK Cup 2022 - Отборочный раунд (Engine) {1781} | PROGRAMMING | 3750.0 | Tutorial | ||
| 104 | Window Signals (hard version) | Statement | H2 | VK Cup 2022 - Отборочный раунд (Engine) {1781} | PROGRAMMING | 1500.0 | Tutorial | ||
| 283 | Minimums or Medians | Statement | F | VK Cup 2022 - Финальный раунд (Engine) {1784} | PROGRAMMING | 4000.0 | Codeforces Round #850 Editorial | ||
| 22509 | Keep it Beautiful | implementation strings | Statement | B | Educational Codeforces Round 150 (Rated for Div. 2) {1841} | PROGRAMMING | 117262 | ||
| 228 | Four Suits | Statement | F | Educational Codeforces Round 154 (Rated for Div. 2) {1861} | PROGRAMMING | Educational Codeforces Round 154 Editorial | |||
| 313 | Jackets and Packets | dp | Statement | J | COMPFEST 15 - Preliminary Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1866} | PROGRAMMING | COMPFEST 15 Preliminary — Editorial | ||
| 245 | MEXanization | Statement | G | CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) {1870} | PROGRAMMING | 3250.0 | CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) Editorial | ||
| 19814 | Make it Alternating | combinatorics dp greedy | Statement | C | Educational Codeforces Round 155 (Rated for Div. 2) {1879} | PROGRAMMING | 120773 | 1300 | |
| 184 | Contingency Plan 2 | Statement | I | 2023-2024 ICPC, Asia Jakarta Regional Contest (Online Mirror, Unrated, ICPC Rules, Teams Preferred) {1906} | PROGRAMMING | problem_analysis.pdf | |||
| 646 | Joy of Pokémon Observation | Statement | J | 2023-2024 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1912} | PROGRAMMING | 2300 | |||
| 60 | Antiparticle Antiphysics | Statement | A | 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} | PROGRAMMING | ||||
| 211 | Attraction Score | Statement | B | 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} | PROGRAMMING | ||||
| 1618 | Bit Counting Sequence | Statement | C | 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} | PROGRAMMING | ||||
| 98 | Bánh Bò | Statement | D | 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} | PROGRAMMING | ||||
| 1107 | Duplicates | Statement | E | 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} | PROGRAMMING | ||||
| 834 | Forming Groups | Statement | F | 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} | PROGRAMMING | ||||
| 1151 | Personality Test | Statement | G | 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} | PROGRAMMING | ||||
| 2332 | Pho Restaurant | Statement | H | 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} | PROGRAMMING | ||||
| 81 | Symmetric Boundary | Statement | I | 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} | PROGRAMMING | ||||
| 1399 | There and Back Again | Statement | J | 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} | PROGRAMMING | ||||
| 683 | Tree Quiz | Statement | K | 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} | PROGRAMMING | ||||
| 312 | XOR Operations | Statement | L | 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} | PROGRAMMING | ||||
| 66 | Zig-zag | Statement | M | 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} | PROGRAMMING | ||||
| 123 | Damage per Second | Statement | E | European Championship 2024 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1949} | PROGRAMMING | European Championship 2024 (EUC) Editorial | |||
| 142 | Division Avoidance | Statement | H | European Championship 2024 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1949} | PROGRAMMING | European Championship 2024 (EUC) Editorial | |||
| 604 | Dark Matter | Statement | I | April Fools Day Contest 2024 {1952} | PROGRAMMING | April Fools Day Contest 2024 Editorial | |||
| 43400 | Problem Generator | Statement | A | Codeforces Round 950 (Div. 3) {1980} | PROGRAMMING | 130135 | |||
| 57 | Shohag Loves Pebae | Statement | G | CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} | PROGRAMMING | 4250.0 | |||
| 42 | Grid Game | Statement | G | 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} | PROGRAMMING | ||||
| 86 | Trophic Balance Species | Statement | K | 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} | PROGRAMMING | ||||
| 45 | Building Castle | Statement | L | 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} | PROGRAMMING | ||||
| 27 | Railway Construction | Statement | N | 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} | PROGRAMMING | ||||
| 67 | GCDDCG | Statement | K | 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} | PROGRAMMING | 2900 | |||
| 28 | Aquatic Dragon | Statement | D | 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} | PROGRAMMING | 3500 | |||
| 2939 | Adrenaline Rush | Statement | A | 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} | PROGRAMMING | ||||
| 352 | BitBitJump | Statement | B | 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} | PROGRAMMING | ||||
| 1149 | Expression Correction | Statement | E | 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} | PROGRAMMING | ||||
| 155 | Geometric Balance | Statement | G | 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} | PROGRAMMING | ||||
| 79 | Knowns and Unknowns | Statement | K | 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} | PROGRAMMING | ||||
| 102 | Legacy Screensaver | Statement | L | 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} | PROGRAMMING | ||||
| 242 | Friends and Pizza | Statement | F | Educational Codeforces Round 175 (Rated for Div. 2) {2070} | PROGRAMMING | ||||
| 818 | Control Towers | Statement | A | 2025 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2073} | PROGRAMMING | ||||
| 19 | Three-Dimensional Embedding | Statement | B | 2025 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2073} | PROGRAMMING | ||||
| 210 | Cactus Connectivity | Statement | C | 2025 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2073} | PROGRAMMING | ||||
| 343 | Tower of Hanoi | Statement | D | 2025 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2073} | PROGRAMMING | ||||
| 39 | Hold the Star | Statement | F | 2025 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2073} | PROGRAMMING | ||||
| 590 | Corrupted File | Statement | G | 2025 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2073} | PROGRAMMING | ||||
| 81 | Squares on Grid Lines | Statement | I | 2025 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2073} | PROGRAMMING | ||||
| 709 | Gathering Sharks | Statement | J | 2025 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2073} | PROGRAMMING |