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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
350 Breadboard Capacity (easy version) Statement H1 Codeforces Global Round 8 {1368} PROGRAMMING 3000.0 Codeforces Global Round 8: editorial
226 Breadboard Capacity (hard version) Statement H2 Codeforces Global Round 8 {1368} PROGRAMMING 1500.0 Codeforces Global Round 8: editorial
148 Boboniu and Banknote Collection Statement E Codeforces Round 664 (Div. 1) {1394} PROGRAMMING 2500.0 Codeforces Round #664 Editorial 3500
80 Wakanda Forever Statement A Bubble Cup 13 - Finals [Online Mirror, unrated, Div. 1] {1423} PROGRAMMING FinalsEditorial2020.pdf
40 Does anyone else hate the wind? Statement D Bubble Cup 13 - Finals [Online Mirror, unrated, Div. 1] {1423} PROGRAMMING FinalsEditorial2020.pdf
151 BubbleSquare Tokens Statement N Bubble Cup 13 - Finals [Online Mirror, unrated, Div. 1] {1423} PROGRAMMING FinalsEditorial2020.pdf
176 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
489 Game On Tree Statement G Educational Codeforces Round 98 (Rated for Div. 2) {1452} PROGRAMMING 84847
19682 Two Brackets data structures greedy Statement C Educational Codeforces Round 98 (Rated for Div. 2) {1452} PROGRAMMING 84847
282 Range Diameter Sum Statement F Codeforces Round 691 (Div. 1) {1458} PROGRAMMING 3500.0 Codeforces Round #691 Editorial (finished)
16857 Add to Neighbour and Remove greedy math number theory Statement D Codeforces Round 690 (Div. 3) {1462} PROGRAMMING Codeforces Round #690 (Div. 3) Editorial
6431 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
20489 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
800 Xenolith? Hippodrome? Statement D April Fools Day Contest 2021 {1505} PROGRAMMING tutorial
307 Encoded message Statement G April Fools Day Contest 2021 {1505} PROGRAMMING tutorial
512 L BREAK into program Statement H April Fools Day Contest 2021 {1505} PROGRAMMING tutorial
559 Mysterious language again, seriously? Statement I April Fools Day Contest 2021 {1505} PROGRAMMING tutorial
156 ASCII Automata Art Statement A 2020-2021 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1510} PROGRAMMING
259 Equilibrium Point /\textbackslash/\textbackslash Statement E 2020-2021 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1510} PROGRAMMING
58 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
1309 Guide Statement G 2020-2021 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1510} PROGRAMMING
340 Gates to Another World Statement G Deltix Round, Summer 2021 (open for everyone, rated, Div. 1 + Div. 2) {1556} PROGRAMMING 3000.0 94384 3300
336 Eye-Pleasing City Park Tour Statement E COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} PROGRAMMING COMPFEST 13 — Editorial
252 Managing Telephone Poles Statement M COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} PROGRAMMING COMPFEST 13 — Editorial
9 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)
37018 Elections Statement A Codeforces Round 748 (Div. 3) {1593} PROGRAMMING Editorial for Codeforces Round #748 (Div.3)
1719 Changing Brackets data structures greedy Statement G Codeforces Round 748 (Div. 3) {1593} PROGRAMMING Editorial for Codeforces Round #748 (Div.3)
143 Restaurant Game Statement B Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} PROGRAMMING BubbleCup2021.pdf
30 Bubble Popping Statement D Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} PROGRAMMING BubbleCup2021.pdf
339 Mars Statement F Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} PROGRAMMING BubbleCup2021.pdf
93 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
18462 Polycarp Recovers the Permutation constructive algorithms Statement C Codeforces Round 756 (Div. 3) {1611} PROGRAMMING Tutorial 1000
912 Subsequences Galore bitmasks combinatorics dp math Statement G Educational Codeforces Round 119 (Rated for Div. 2) {1620} PROGRAMMING 98061
8347 Replace the Numbers data structures ds greedy trees Statement E Educational Codeforces Round 119 (Rated for Div. 2) {1620} PROGRAMMING 98061
4453 Organizing SWERC Statement A SWERC 2021-2022 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1662} PROGRAMMING 102042
1414 Is it rated - 3 Statement D April Fools Day Contest 2022 {1663} PROGRAMMING April Fools Day Contest 2022 Editorial
348 In Every Generation... Statement F April Fools Day Contest 2022 {1663} PROGRAMMING April Fools Day Contest 2022 Editorial
212 Six Characters Statement G April Fools Day Contest 2022 {1663} PROGRAMMING April Fools Day Contest 2022 Editorial
111 Admissible Map Statement A 2021-2022 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1666} PROGRAMMING Tutorial (PDF)
55 Budget Distribution Statement B 2021-2022 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1666} PROGRAMMING Tutorial (PDF)
251 Kingdom Partition Statement K 2021-2022 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1666} PROGRAMMING Tutorial (PDF)
16472 A-B-C Sort constructive algorithms implementation sortings Statement D Codeforces Round 786 (Div. 3) {1674} PROGRAMMING 102482
3167 Almost Triple Deletions data structures dp greedy Statement D Codeforces Round 804 (Div. 2) {1699} PROGRAMMING 1750.0 Codeforces Round #804 (Div. 2) Editorial
23326 Technical Support Statement A Codeforces Round 829 (Div. 2) {1754} PROGRAMMING 500.0 Tutorial 800
1306 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
2678 Count Binary Strings Statement C Educational Codeforces Round 140 (Rated for Div. 2) {1767} PROGRAMMING 110225
109 Jumbled Trees Statement J 2022-2023 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1773} PROGRAMMING 2900
30 Cactus Meets Torus Statement C 2022-2023 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1773} PROGRAMMING 3500
119 Window Signals (easy version) Statement H1 VK Cup 2022 - Отборочный раунд (Engine) {1781} PROGRAMMING 3750.0 Tutorial
97 Window Signals (hard version) Statement H2 VK Cup 2022 - Отборочный раунд (Engine) {1781} PROGRAMMING 1500.0 Tutorial
254 Minimums or Medians Statement F VK Cup 2022 - Финальный раунд (Engine) {1784} PROGRAMMING 4000.0 Codeforces Round #850 Editorial
21628 Keep it Beautiful implementation strings Statement B Educational Codeforces Round 150 (Rated for Div. 2) {1841} PROGRAMMING 117262
205 Four Suits Statement F Educational Codeforces Round 154 (Rated for Div. 2) {1861} PROGRAMMING Educational Codeforces Round 154 Editorial
291 Jackets and Packets dp Statement J COMPFEST 15 - Preliminary Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1866} PROGRAMMING COMPFEST 15 Preliminary — Editorial
219 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
17338 Make it Alternating combinatorics dp greedy Statement C Educational Codeforces Round 155 (Rated for Div. 2) {1879} PROGRAMMING 120773 1300
157 Contingency Plan 2 Statement I 2023-2024 ICPC, Asia Jakarta Regional Contest (Online Mirror, Unrated, ICPC Rules, Teams Preferred) {1906} PROGRAMMING problem_analysis.pdf
597 Joy of Pokémon Observation Statement J 2023-2024 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1912} PROGRAMMING 2300
56 Antiparticle Antiphysics Statement A 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
199 Attraction Score Statement B 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
1476 Bit Counting Sequence Statement C 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
91 Bánh Bò Statement D 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
1017 Duplicates Statement E 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
759 Forming Groups Statement F 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
1056 Personality Test Statement G 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
2165 Pho Restaurant Statement H 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
76 Symmetric Boundary Statement I 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
1292 There and Back Again Statement J 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
633 Tree Quiz Statement K 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
294 XOR Operations Statement L 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
60 Zig-zag Statement M 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
103 Damage per Second Statement E European Championship 2024 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1949} PROGRAMMING European Championship 2024 (EUC) Editorial
127 Division Avoidance Statement H European Championship 2024 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1949} PROGRAMMING European Championship 2024 (EUC) Editorial
538 Dark Matter Statement I April Fools Day Contest 2024 {1952} PROGRAMMING April Fools Day Contest 2024 Editorial
40668 Problem Generator Statement A Codeforces Round 950 (Div. 3) {1980} PROGRAMMING 130135