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Name
Tags
Solutions
Index
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Type
Points
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4406 Factorial *special implementation Statement A Unknown Language Round 1 {64} PROGRAMMING 1300
1057 Expression *special expression parsing Statement B Unknown Language Round 1 {64} PROGRAMMING 1500
358 Table *special greedy implementation math Statement C Unknown Language Round 1 {64} PROGRAMMING 1700
298 Presents *special greedy Statement D Unknown Language Round 1 {64} PROGRAMMING 1900
295 Prime Segment *special brute force Statement E Unknown Language Round 1 {64} PROGRAMMING 2000
194 Domain *special expression parsing Statement F Unknown Language Round 1 {64} PROGRAMMING 2100
122 Table Bowling *special sortings Statement H Unknown Language Round 1 {64} PROGRAMMING 2300
94 Sort the Table *special sortings Statement I Unknown Language Round 1 {64} PROGRAMMING 2500
2975 Fibonacci army *special dp Statement G Unknown Language Round 2 {72} PROGRAMMING 1200
1065 Extraordinarily Nice Numbers *special math Statement C Unknown Language Round 2 {72} PROGRAMMING 1300
488 Goofy Numbers *special implementation Statement I Unknown Language Round 2 {72} PROGRAMMING 1500
286 Reverse It! *special implementation Statement H Unknown Language Round 2 {72} PROGRAMMING 1600
182 Ali goes shopping *special brute force strings Statement E Unknown Language Round 2 {72} PROGRAMMING 1900
201 Goshtasp, Vishtasp and Eidi *special greedy math Statement A Unknown Language Round 2 {72} PROGRAMMING 1900
151 Oil *special greedy math Statement F Unknown Language Round 2 {72} PROGRAMMING 2100
84 Perse-script *special expression parsing Statement D Unknown Language Round 2 {72} PROGRAMMING 2400
118 INI-file *special implementation Statement B Unknown Language Round 2 {72} PROGRAMMING 2500
1051 Carpeting the Room *special implementation Statement A Unknown Language Round 3 {100} PROGRAMMING 1300
635 A+B *special implementation Statement C Unknown Language Round 3 {100} PROGRAMMING 1400
619 Friendly Numbers *special implementation Statement B Unknown Language Round 3 {100} PROGRAMMING 1600
373 World of Mouth *special strings Statement D Unknown Language Round 3 {100} PROGRAMMING 1600
434 Rotation *special geometry math Statement I Unknown Language Round 3 {100} PROGRAMMING 1700
305 Lamps in a Line *special math Statement E Unknown Language Round 3 {100} PROGRAMMING 1800
143 Name the album *special data structures implementation Statement G Unknown Language Round 3 {100} PROGRAMMING 2000
161 Polynom *special implementation Statement F Unknown Language Round 3 {100} PROGRAMMING 2000
93 Battleship *special dfs and similar implementation Statement H Unknown Language Round 3 {100} PROGRAMMING 2200
76 Interval Coloring *special greedy math Statement J Unknown Language Round 3 {100} PROGRAMMING 2400
2001 Hexagonal numbers *special implementation Statement A Unknown Language Round 4 {130} PROGRAMMING Unknown Language Round #4: editorial 1300
568 Gnikool Ssalg *special implementation strings Statement B Unknown Language Round 4 {130} PROGRAMMING Unknown Language Round #4: editorial 1500
193 Array sorting *special sortings Statement I Unknown Language Round 4 {130} PROGRAMMING Unknown Language Round #4: editorial 2400
107024 Taxi *special greedy implementation Statement B VK Cup 2012 Qualification Round 1 {158} PROGRAMMING Simple solution to vk cup Qualification Round 1 and 2 1800
333855 Next Round *special implementation Statement A VK Cup 2012 Qualification Round 1 {158} PROGRAMMING Simple solution to vk cup Qualification Round 1 and 2 1800
6546 Ice Sculptures *special brute force number theory Statement D VK Cup 2012 Qualification Round 1 {158} PROGRAMMING Simple solution to vk cup Qualification Round 1 and 2 1900
10582 Cd and pwd commands *special data structures implementation Statement C VK Cup 2012 Qualification Round 1 {158} PROGRAMMING Simple solution to vk cup Qualification Round 1 and 2 1900
1547 Phone Talks *special dp sortings Statement E VK Cup 2012 Qualification Round 1 {158} PROGRAMMING Simple solution to vk cup Qualification Round 1 and 2 2300
2672 Friends or Not *special greedy implementation Statement A VK Cup 2012 Qualification Round 2 {159} PROGRAMMING Simple solution to vk cup Qualification Round 1 and 2 1700
4223 Matchmaker *special greedy sortings Statement B VK Cup 2012 Qualification Round 2 {159} PROGRAMMING Simple solution to vk cup Qualification Round 1 and 2 1800
3232 String Manipulation 1.0 *special binary search brute force data structures strings Statement C VK Cup 2012 Qualification Round 2 {159} PROGRAMMING Simple solution to vk cup Qualification Round 1 and 2 2000
4742 Palindrome pairs *special brute force dp strings Statement D VK Cup 2012 Qualification Round 2 {159} PROGRAMMING Simple solution to vk cup Qualification Round 1 and 2 2000
1102 Zebra Tower *special data structures greedy sortings Statement E VK Cup 2012 Qualification Round 2 {159} PROGRAMMING Simple solution to vk cup Qualification Round 1 and 2 2100
846 Pentagonal numbers *special implementation Statement A VK Cup 2012 Wild-card Round 1 {162} PROGRAMMING VK Cup 2012 Wild-card Round 1: editorial 1400
5138 Mysterious numbers - 1 *special constructive algorithms Statement A April Fools Day Contest {171} PROGRAMMING April Fools Day Contest: editorial 1200
4880 Star *special combinatorics Statement B April Fools Day Contest {171} PROGRAMMING April Fools Day Contest: editorial 1300
2830 Broken checker *special brute force Statement D April Fools Day Contest {171} PROGRAMMING April Fools Day Contest: editorial 1400
1493 ucyhf *special brute force implementation number theory Statement F April Fools Day Contest {171} PROGRAMMING April Fools Day Contest: editorial 1700
1243 A Piece of Cake *special implementation Statement C April Fools Day Contest {171} PROGRAMMING April Fools Day Contest: editorial 2100
341 A polyline *special implementation Statement H April Fools Day Contest {171} PROGRAMMING April Fools Day Contest: editorial 2200
8262 Phone Code *special brute force implementation Statement A Croc Champ 2012 - Qualification Round {172} PROGRAMMING 1600
3182 Pseudorandom Sequence Period *special implementation number theory Statement B Croc Champ 2012 - Qualification Round {172} PROGRAMMING 1800
1264 Bus *special implementation sortings Statement C Croc Champ 2012 - Qualification Round {172} PROGRAMMING 1900
1540 Calendar Reform *special number theory Statement D Croc Champ 2012 - Qualification Round {172} PROGRAMMING 1900
316 BHTML+BCSS *special dfs and similar expression parsing Statement E Croc Champ 2012 - Qualification Round {172} PROGRAMMING 2500
813 A + Reverse B *special implementation Statement B Surprise Language Round 6 {188} PROGRAMMING Surprise Language Round #6: editorial 1400
759 Asterisks *special implementation Statement D Surprise Language Round 6 {188} PROGRAMMING Surprise Language Round #6: editorial 1400
528 LCM *special implementation math Statement C Surprise Language Round 6 {188} PROGRAMMING Surprise Language Round #6: editorial 1400
559 HQ9+ *special implementation Statement E Surprise Language Round 6 {188} PROGRAMMING Surprise Language Round #6: editorial 1500
349 Binary Notation *special implementation Statement F Surprise Language Round 6 {188} PROGRAMMING Surprise Language Round #6: editorial 1600
365 Array Sorting *special implementation Statement G Surprise Language Round 6 {188} PROGRAMMING Surprise Language Round #6: editorial 1700
712 Stack *special expression parsing implementation Statement H Surprise Language Round 6 {188} PROGRAMMING Surprise Language Round #6: editorial 1900
3259 Mysterious strings *special implementation Statement A April Fools Day Contest 2013 {290} PROGRAMMING April Fools Day Contest 2013: editorial 1400
2631 QR code *special implementation Statement B April Fools Day Contest 2013 {290} PROGRAMMING April Fools Day Contest 2013: editorial 1500
1914 Orange *special implementation Statement D April Fools Day Contest 2013 {290} PROGRAMMING April Fools Day Contest 2013: editorial 1600
1684 WTF? *special graph matchings implementation trees Statement C April Fools Day Contest 2013 {290} PROGRAMMING April Fools Day Contest 2013: editorial 1800
238 HQ *special constructive algorithms Statement E April Fools Day Contest 2013 {290} PROGRAMMING April Fools Day Contest 2013: editorial 2700
159 Greedy Petya *special dfs and similar graphs greedy Statement F April Fools Day Contest 2013 {290} PROGRAMMING April Fools Day Contest 2013: editorial 2800
6549 Spyke Talks *special implementation sortings Statement A Croc Champ 2013 - Qualification Round {291} PROGRAMMING 1900
3099 Command Line Arguments *special implementation strings Statement B Croc Champ 2013 - Qualification Round {291} PROGRAMMING 2000
1888 Network Mask *special bitmasks brute force implementation Statement C Croc Champ 2013 - Qualification Round {291} PROGRAMMING 2100
1542 Parallel Programming *special greedy Statement D Croc Champ 2013 - Qualification Round {291} PROGRAMMING 2200
1649 Tree-String Problem *special dfs and similar hashing strings Statement E Croc Champ 2013 - Qualification Round {291} PROGRAMMING 2400
552 Expecting Trouble *special probabilities Statement A Friday the 13th, Programmers Day {345} PROGRAMMING 1600
83 Chain Letter *special dfs and similar graphs Statement D Friday the 13th, Programmers Day {345} PROGRAMMING 2300
105 Suffix Subgroup *special strings Statement G Friday the 13th, Programmers Day {345} PROGRAMMING 2600
9590 A + B Strikes Back *special brute force constructive algorithms dsu implementation Statement H April Fools Day Contest 2014 {409} PROGRAMMING April Fools Day Contest 2014: editorial 1700
697 Crystal Ball Sequence *special implementation Statement A Surprise Language Round 7 {470} PROGRAMMING Surprise Language Round #7: editorial 1400
9618 Photo to Remember *special data structures dp implementation Statement B VK Cup 2015 - Qualification Round 1 {522} PROGRAMMING Разбор задач VK Cup 2015 — Квалификация 1 1700
19393 Reposts *special dfs and similar dp graphs trees Statement A VK Cup 2015 - Qualification Round 1 {522} PROGRAMMING Разбор задач VK Cup 2015 — Квалификация 1 1700
4202 Closest Equals *special data structures Statement D VK Cup 2015 - Qualification Round 1 {522} PROGRAMMING Разбор задач VK Cup 2015 — Квалификация 1 2200
2873 Rotate, Flip and Zoom *special implementation Statement A VK Cup 2015 - Qualification Round 2 {523} PROGRAMMING Разбор задач VK Cup 2015 — Квалификация 2 1600
2616 Name Quest *special greedy Statement C VK Cup 2015 - Qualification Round 2 {523} PROGRAMMING Разбор задач VK Cup 2015 — Квалификация 2 1800
1000 Mean Requests *special implementation Statement B VK Cup 2015 - Qualification Round 2 {523} PROGRAMMING Разбор задач VK Cup 2015 — Квалификация 2 1800
2605 Statistics of Recompressing Videos *special data structures implementation Statement D VK Cup 2015 - Qualification Round 2 {523} PROGRAMMING Разбор задач VK Cup 2015 — Квалификация 2 1900
131 Points in triangle *special geometry Statement H VK Cup 2015 - Wild Card Round 1 {530} PROGRAMMING VK Cup 2015 Wild Card Round 1: editorial 2200
24569 Chat Order *special binary search constructive algorithms data structures sortings Statement B VK Cup 2016 - Qualification Round 1 {637} PROGRAMMING 1500
5896 Voting for Photos *special constructive algorithms implementation Statement A VK Cup 2016 - Qualification Round 1 {637} PROGRAMMING 1500
2535 Promocodes with Mistakes *special brute force constructive algorithms implementation Statement C VK Cup 2016 - Qualification Round 1 {637} PROGRAMMING 1800
2138 Running with Obstacles *special data structures dp greedy Statement D VK Cup 2016 - Qualification Round 1 {637} PROGRAMMING 2000
4406 Home Numbers *special constructive algorithms math Statement A VK Cup 2016 - Qualification Round 2 {638} PROGRAMMING 1500
2133 Making Genome in Berland *special dfs and similar strings Statement B VK Cup 2016 - Qualification Round 2 {638} PROGRAMMING 1800
2437 Road Improvement *special dfs and similar graphs greedy trees Statement C VK Cup 2016 - Qualification Round 2 {638} PROGRAMMING 2100
4697 Parliament of Berland *special constructive algorithms Statement A CROC 2016 - Qualification {644} PROGRAMMING 1700
2865 Processing Queries *special constructive algorithms data structures two pointers Statement B CROC 2016 - Qualification {644} PROGRAMMING 2200
1028 Hostname Aliases *special binary search data structures implementation sortings strings Statement C CROC 2016 - Qualification {644} PROGRAMMING 2300
1778 Scrambled *special implementation Statement B April Fools Day Contest 2016 {656} PROGRAMMING 44141 1700
1264 The Check of the Point *special geometry Statement A Surprise Language Round 8 {683} PROGRAMMING 1200
388 Chocolate Bar *special math Statement D Surprise Language Round 8 {683} PROGRAMMING 1700
6498 Year of University Entrance *special implementation sortings Statement A VK Cup 2017 - Qualification 1 {769} PROGRAMMING Tutorial 1500
3464 News About Credit *special greedy two pointers Statement B VK Cup 2017 - Qualification 1 {769} PROGRAMMING Tutorial 1600
2582 k-Interesting Pairs Of Integers *special bitmasks brute force meet-in-the-middle Statement D VK Cup 2017 - Qualification 1 {769} PROGRAMMING Tutorial 1800
3181 Cycle In Maze *special dfs and similar graphs greedy shortest paths Statement C VK Cup 2017 - Qualification 1 {769} PROGRAMMING Tutorial 1800
21984 New Password *special implementation Statement A VK Cup 2017 - Qualification 2 {770} PROGRAMMING Tutorial of VK Cup 2017 Qualification Round 2 1500
3086 Maximize Sum of Digits *special implementation math Statement B VK Cup 2017 - Qualification 2 {770} PROGRAMMING Tutorial of VK Cup 2017 Qualification Round 2 1700
2992 Online Courses In BSU *special dfs and similar graphs implementation Statement C VK Cup 2017 - Qualification 2 {770} PROGRAMMING 1900
1636 Draw Brackets! *special implementation Statement D VK Cup 2017 - Qualification 2 {770} PROGRAMMING Tutorial of VK Cup 2017 Qualification Round 2 1900
4405 Maximum Number *special constructive algorithms greedy Statement C VK Cup 2017 - Wild Card Round 1 {774} PROGRAMMING VK Cup 2017 — Уайлд-кард раунд 1 — Разбор 1200
2126 Lie or Truth *special constructive algorithms sortings Statement D VK Cup 2017 - Wild Card Round 1 {774} PROGRAMMING VK Cup 2017 — Уайлд-кард раунд 1 — Разбор 1500
1401 Stepan and Vowels *special implementation strings Statement K VK Cup 2017 - Wild Card Round 1 {774} PROGRAMMING VK Cup 2017 — Уайлд-кард раунд 1 — Разбор 1600
453 Stepan's Series *special dp Statement J VK Cup 2017 - Wild Card Round 1 {774} PROGRAMMING VK Cup 2017 — Уайлд-кард раунд 1 — Разбор 2100
414 Bars *special binary search Statement L VK Cup 2017 - Wild Card Round 1 {774} PROGRAMMING VK Cup 2017 — Уайлд-кард раунд 1 — Разбор 2200
331 Significant Cups *special binary search data structures two pointers Statement B VK Cup 2017 - Wild Card Round 1 {774} PROGRAMMING VK Cup 2017 — Уайлд-кард раунд 1 — Разбор 2300
401 Amusement Park *special ternary search Statement A VK Cup 2017 - Wild Card Round 1 {774} PROGRAMMING VK Cup 2017 — Уайлд-кард раунд 1 — Разбор 2300
291 Repairing Of String *special constructive algorithms Statement H VK Cup 2017 - Wild Card Round 1 {774} PROGRAMMING VK Cup 2017 — Уайлд-кард раунд 1 — Разбор 2400
282 Big Number and Remainder *special math number theory Statement E VK Cup 2017 - Wild Card Round 1 {774} PROGRAMMING VK Cup 2017 — Уайлд-кард раунд 1 — Разбор 2400
170 Composing Of String *special dp Statement I VK Cup 2017 - Wild Card Round 1 {774} PROGRAMMING VK Cup 2017 — Уайлд-кард раунд 1 — Разбор 2500
203 Pens And Days Of Week *special binary search number theory Statement F VK Cup 2017 - Wild Card Round 1 {774} PROGRAMMING VK Cup 2017 — Уайлд-кард раунд 1 — Разбор 2600
249 Perfectionist Arkadiy *special number theory Statement G VK Cup 2017 - Wild Card Round 1 {774} PROGRAMMING VK Cup 2017 — Уайлд-кард раунд 1 — Разбор 2900
2048 Twisted Circuit *special brute force implementation Statement E April Fools Contest 2017 {784} PROGRAMMING 51351 2000
1149 Crunching Numbers Just for You *special implementation Statement F April Fools Contest 2017 {784} PROGRAMMING 51351 2200
778 INTERCALC *special implementation Statement C April Fools Contest 2017 {784} PROGRAMMING 51351 2300
516 Touchy-Feely Palindromes *special implementation Statement D April Fools Contest 2017 {784} PROGRAMMING 51351 2500
3630 Login Verification *special strings Statement A VK Cup 2018 - Квалификация 1 {928} PROGRAMMING 1600
2657 Chat *special dp Statement B VK Cup 2018 - Квалификация 1 {928} PROGRAMMING 1800
908 Dependency management *special graphs implementation Statement C VK Cup 2018 - Квалификация 1 {928} PROGRAMMING 2300
834 Autocompletion *special strings trees Statement D VK Cup 2018 - Квалификация 1 {928} PROGRAMMING 2400
2562 Прокат велосипедов *special greedy implementation Statement A VK Cup 2018 - Квалификация 2 {929} PROGRAMMING Разбор VK Cup 2018 — Квалификация 2 1600
2091 Места в самолёте *special implementation Statement B VK Cup 2018 - Квалификация 2 {929} PROGRAMMING Разбор VK Cup 2018 — Квалификация 2 1700
1205 Красивая команда *special combinatorics math Statement C VK Cup 2018 - Квалификация 2 {929} PROGRAMMING Разбор VK Cup 2018 — Квалификация 2 2000
7710 Bmail Computer Network *special dfs and similar trees Statement A Mail.Ru Cup 2018 - Practice Round {1057} PROGRAMMING 1700
1990 DDoS *special brute force Statement B Mail.Ru Cup 2018 - Practice Round {1057} PROGRAMMING 1800
1220 Tanya and Colored Candies *special dp Statement C Mail.Ru Cup 2018 - Practice Round {1057} PROGRAMMING 2300
275 Sliding Doors *special binary search Statement E Kotlin Heroes: Episode 1 {1170} PROGRAMMING Kotlin Heroes Editorial
136 Wheels *special binary search greedy Statement F Kotlin Heroes: Episode 1 {1170} PROGRAMMING Kotlin Heroes Editorial
57 Longest Saw *special constructive algorithms Statement H Kotlin Heroes: Episode 1 {1170} PROGRAMMING Kotlin Heroes Editorial
532 Decoding of Integer Sequences *special data structures implementation Statement D Kotlin Heroes: Episode 1 {1170} PROGRAMMING Kotlin Heroes Editorial
47 Good Subsets *special dp Statement I Kotlin Heroes: Episode 1 {1170} PROGRAMMING Kotlin Heroes Editorial
85 Graph Decomposition *special graphs Statement G Kotlin Heroes: Episode 1 {1170} PROGRAMMING Kotlin Heroes Editorial
1151 Bad Days *special implementation Statement B Kotlin Heroes: Episode 1 {1170} PROGRAMMING Kotlin Heroes Editorial
836 Minus and Minus Give Plus *special implementation strings Statement C Kotlin Heroes: Episode 1 {1170} PROGRAMMING Kotlin Heroes Editorial
1565 Three Integers Again *special math Statement A Kotlin Heroes: Episode 1 {1170} PROGRAMMING Kotlin Heroes Editorial
372 Cubeword *special brute force dp meet-in-the-middle Statement C CEOI 2019 day 1 online mirror (unrated, IOI format) {1192} PROGRAMMING E
1616 Dynamic Diameter *special data structures dfs and similar divide and conquer trees Statement B CEOI 2019 day 1 online mirror (unrated, IOI format) {1192} PROGRAMMING E
48 Scissors and Tape *special constructive algorithms geometry Statement C CEOI 2019 day 2 online mirror (unrated, IOI format) {1193} PROGRAMMING T
513 Magic Tree *special data structures dp trees Statement B CEOI 2019 day 2 online mirror (unrated, IOI format) {1193} PROGRAMMING T
481 Amusement Park *special dp math Statement A CEOI 2019 day 2 online mirror (unrated, IOI format) {1193} PROGRAMMING T
1614 Three Problems *special implementation Statement A Kotlin Heroes: Episode 2 {1211} PROGRAMMING Kotlin Heroes: Episode 2 Editorial 1300
831 Traveling Around the Golden Ring of Berland *special implementation Statement B Kotlin Heroes: Episode 2 {1211} PROGRAMMING Kotlin Heroes: Episode 2 Editorial 1500
571 Ice Cream *special greedy sortings Statement C Kotlin Heroes: Episode 2 {1211} PROGRAMMING Kotlin Heroes: Episode 2 Editorial 2000
220 Double Permutation Inc. *special binary search greedy Statement E Kotlin Heroes: Episode 2 {1211} PROGRAMMING Kotlin Heroes: Episode 2 Editorial 2200
254 Teams *special binary search greedy math Statement D Kotlin Heroes: Episode 2 {1211} PROGRAMMING Kotlin Heroes: Episode 2 Editorial 2200
153 kotlinkotlinkotlinkotlin... *special graphs implementation strings Statement F Kotlin Heroes: Episode 2 {1211} PROGRAMMING Kotlin Heroes: Episode 2 Editorial 2400
89 King's Path *special math trees Statement G Kotlin Heroes: Episode 2 {1211} PROGRAMMING Kotlin Heroes: Episode 2 Editorial 2500
60 Road Repair in Treeland *special binary search dp trees Statement H Kotlin Heroes: Episode 2 {1211} PROGRAMMING Kotlin Heroes: Episode 2 Editorial 3000
55 Unusual Graph *special graphs Statement I Kotlin Heroes: Episode 2 {1211} PROGRAMMING Kotlin Heroes: Episode 2 Editorial 3000
93 Шардирование постов *special binary search interactive Statement F VK Cup 2019 - Квалификация (Engine) {1275} PROGRAMMING 3000.0
274 Bonus Distribution *special binary search greedy sortings Statement D Kotlin Heroes: Episode 3 {1297} PROGRAMMING Kotlin Heroes: Episode 3 Editorial
38 Falling Blocks *special data structures Statement I Kotlin Heroes: Episode 3 {1297} PROGRAMMING Kotlin Heroes: Episode 3 Editorial
127 Movie Fan *special data structures greedy implementation sortings Statement F Kotlin Heroes: Episode 3 {1297} PROGRAMMING Kotlin Heroes: Episode 3 Editorial
219 Modernization of Treeland *special dfs and similar trees Statement E Kotlin Heroes: Episode 3 {1297} PROGRAMMING Kotlin Heroes: Episode 3 Editorial
78 M-numbers *special dp math Statement G Kotlin Heroes: Episode 3 {1297} PROGRAMMING Kotlin Heroes: Episode 3 Editorial
53 Paint the String *special dp strings Statement H Kotlin Heroes: Episode 3 {1297} PROGRAMMING Kotlin Heroes: Episode 3 Editorial
414 Dream Team *special greedy Statement C Kotlin Heroes: Episode 3 {1297} PROGRAMMING Kotlin Heroes: Episode 3 Editorial
958 Likes Display *special implementation Statement A Kotlin Heroes: Episode 3 {1297} PROGRAMMING Kotlin Heroes: Episode 3 Editorial
433 Cartoons *special implementation sortings Statement B Kotlin Heroes: Episode 3 {1297} PROGRAMMING Kotlin Heroes: Episode 3 Editorial
2225 Color Revolution *special math Statement A Kotlin Heroes: Episode 4 {1346} PROGRAMMING Kotlin Heroes: Episode 4 — Editorial 1000
1294 Boot Camp *special greedy Statement B Kotlin Heroes: Episode 4 {1346} PROGRAMMING Kotlin Heroes: Episode 4 — Editorial 1400
554 Constructing the Dungeon *special graphs greedy Statement D Kotlin Heroes: Episode 4 {1346} PROGRAMMING Kotlin Heroes: Episode 4 — Editorial 1600
683 Spring Cleaning *special greedy sortings Statement C Kotlin Heroes: Episode 4 {1346} PROGRAMMING Kotlin Heroes: Episode 4 — Editorial 1600
416 Magic Tricks *special dp graphs Statement E Kotlin Heroes: Episode 4 {1346} PROGRAMMING Kotlin Heroes: Episode 4 — Editorial 1700
256 Dune II: Battle For Arrakis *special data structures greedy math Statement F Kotlin Heroes: Episode 4 {1346} PROGRAMMING Kotlin Heroes: Episode 4 — Editorial 2000
153 Two IP Cameras *special math number theory Statement G Kotlin Heroes: Episode 4 {1346} PROGRAMMING Kotlin Heroes: Episode 4 — Editorial 2300
65 Game with Segments *special data structures games Statement H Kotlin Heroes: Episode 4 {1346} PROGRAMMING Kotlin Heroes: Episode 4 — Editorial 2700
65 Pac-Man 2.0 *special dp Statement I Kotlin Heroes: Episode 4 {1346} PROGRAMMING Kotlin Heroes: Episode 4 — Editorial 2900
363 Colors *special binary search constructive algorithms interactive Statement A Baltic Olympiad in Informatics 2020, Day 1 (IOI, Unofficial Mirror Contest, Unrated) {1386} PROGRAMMING T
708 Joker *special bitmasks data structures divide and conquer dsu Statement C Baltic Olympiad in Informatics 2020, Day 1 (IOI, Unofficial Mirror Contest, Unrated) {1386} PROGRAMMING T
210 Mixture *special data structures geometry math sortings Statement B Baltic Olympiad in Informatics 2020, Day 1 (IOI, Unofficial Mirror Contest, Unrated) {1386} PROGRAMMING T
980 Graph *special dfs and similar dp math Statement A Baltic Olympiad in Informatics 2020, Day 2 (IOI, Unofficial Mirror Contest, Unrated) {1387} PROGRAMMING T
1973 Village (Minimum) *special greedy Statement B1 Baltic Olympiad in Informatics 2020, Day 2 (IOI, Unofficial Mirror Contest, Unrated) {1387} PROGRAMMING T
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
1381 Fancy Fence *special data structures dp dsu math sortings Statement A Central-European Olympiad in Informatics, CEOI 2020, Day 1 (IOI, Unofficial Mirror Contest, Unrated) {1402} PROGRAMMING Editorial
141 Roads *special geometry sortings Statement B Central-European Olympiad in Informatics, CEOI 2020, Day 1 (IOI, Unofficial Mirror Contest, Unrated) {1402} PROGRAMMING Editorial
362 The Potion of Great Power *special binary search data structures graphs interactive sortings two pointers Statement A Central-European Olympiad in Informatics, CEOI 2020, Day 2 (IOI, Unofficial Mirror Contest, Unrated) {1403} PROGRAMMING CEOI 2020 Online Mirror — Day 2 Tutorial
95 Chess Rush *special combinatorics dp implementation math Statement C Central-European Olympiad in Informatics, CEOI 2020, Day 2 (IOI, Unofficial Mirror Contest, Unrated) {1403} PROGRAMMING CEOI 2020 Online Mirror — Day 2 Tutorial
438 Spring cleaning *special data structures dfs and similar graphs trees Statement B Central-European Olympiad in Informatics, CEOI 2020, Day 2 (IOI, Unofficial Mirror Contest, Unrated) {1403} PROGRAMMING CEOI 2020 Online Mirror — Day 2 Tutorial
165 Neural Network Problem *special binary search greedy Statement F Kotlin Heroes 5: ICPC Round {1431} PROGRAMMING 84563
82 Rogue-like Game *special brute force greedy Statement H Kotlin Heroes 5: ICPC Round {1431} PROGRAMMING 84563
55 Zero-XOR Array *special dp Statement J Kotlin Heroes 5: ICPC Round {1431} PROGRAMMING 84563
217 Number Deletion Game *special dp games greedy Statement G Kotlin Heroes 5: ICPC Round {1431} PROGRAMMING 84563
491 Used Markers *special greedy Statement D Kotlin Heroes 5: ICPC Round {1431} PROGRAMMING 84563
748 Black Friday *special implementation Statement C Kotlin Heroes 5: ICPC Round {1431} PROGRAMMING 84563
1057 Polycarp and the Language of Gods *special implementation two pointers Statement B Kotlin Heroes 5: ICPC Round {1431} PROGRAMMING 84563
56 Cyclic Shifts *special strings Statement I Kotlin Heroes 5: ICPC Round {1431} PROGRAMMING 84563
491 Two Policemen *special binary search brute force math Statement C Kotlin Heroes: Episode 6 {1488} PROGRAMMING 88522
360 Problemsolving Marathon *special binary search greedy Statement D Kotlin Heroes: Episode 6 {1488} PROGRAMMING 88522
74 Build From Suffixes *special combinatorics data structures Statement H Kotlin Heroes: Episode 6 {1488} PROGRAMMING 88522
237 Palindromic Doubles *special data structures dp Statement E Kotlin Heroes: Episode 6 {1488} PROGRAMMING 88522
137 Painting Numbers *special data structures greedy number theory Statement G Kotlin Heroes: Episode 6 {1488} PROGRAMMING 88522
43 Flower Shop *special fft math Statement J Kotlin Heroes: Episode 6 {1488} PROGRAMMING 88522
50 Demonic Invasion *special flows Statement I Kotlin Heroes: Episode 6 {1488} PROGRAMMING 88522
604 RBS Deletion *special greedy Statement B Kotlin Heroes: Episode 6 {1488} PROGRAMMING 88522
1846 From Zero To Y *special math Statement A Kotlin Heroes: Episode 6 {1488} PROGRAMMING 88522
194 Dogecoin *special *special binary search data structures Statement F Kotlin Heroes: Episode 6 {1488} PROGRAMMING 88522
661 Симметричный амфитеатр *special constructive algorithms Statement C VK Cup 2021 - Квалификация (Engine) {1531} PROGRAMMING Разбор квалификационного раунда VK Cup 2021
1158 Мониторинг *special *special Statement B1 VK Cup 2021 - Квалификация (Engine) {1531} PROGRAMMING Разбор квалификационного раунда VK Cup 2021
371 Редактируем Зингер | color *special *special Statement D VK Cup 2021 - Квалификация (Engine) {1531} PROGRAMMING Разбор квалификационного раунда VK Cup 2021
341 Сортировка слиянием *special *special Statement E2 VK Cup 2021 - Квалификация (Engine) {1531} PROGRAMMING Разбор квалификационного раунда VK Cup 2021
642 Uniform String *special implementation Statement C Kotlin Heroes: Practice 7 {1532} PROGRAMMING
830 Frog Jumping *special math Statement B Kotlin Heroes: Practice 7 {1532} PROGRAMMING
591 Teams Forming *special sortings Statement D Kotlin Heroes: Practice 7 {1532} PROGRAMMING
220 Prefixes and Suffixes *special strings Statement F Kotlin Heroes: Practice 7 {1532} PROGRAMMING
285 Chess Team Forming *special binary search data structures greedy Statement E Kotlin Heroes: Episode 7 {1533} PROGRAMMING Kotlin Heroes 7 — Editorial
224 Binary String Partition *special binary search greedy Statement F Kotlin Heroes: Episode 7 {1533} PROGRAMMING Kotlin Heroes 7 — Editorial
92 Submatrices *special bitmasks data structures dp Statement H Kotlin Heroes: Episode 7 {1533} PROGRAMMING Kotlin Heroes 7 — Editorial
61 Excursions *special constructive algorithms dfs and similar flows graphs Statement I Kotlin Heroes: Episode 7 {1533} PROGRAMMING Kotlin Heroes 7 — Editorial
98 Biome Map *special constructive algorithms dfs and similar graphs Statement G Kotlin Heroes: Episode 7 {1533} PROGRAMMING Kotlin Heroes 7 — Editorial
484 Sweets *special data structures implementation Statement C Kotlin Heroes: Episode 7 {1533} PROGRAMMING Kotlin Heroes 7 — Editorial
514 String Searching *special hashing Statement D Kotlin Heroes: Episode 7 {1533} PROGRAMMING Kotlin Heroes 7 — Editorial
817 Nearest Point Function *special implementation Statement B Kotlin Heroes: Episode 7 {1533} PROGRAMMING Kotlin Heroes 7 — Editorial
1130 Travel to Bertown *special implementation math Statement A Kotlin Heroes: Episode 7 {1533} PROGRAMMING Kotlin Heroes 7 — Editorial
20 Chainword *special data structures strings Statement H Kotlin Heroes: Practice 8 {1570} PROGRAMMING
294 Shooting *special greedy implementation Statement C Kotlin Heroes: Practice 8 {1570} PROGRAMMING
273 Reachable Numbers *special implementation Statement D Kotlin Heroes: Practice 8 {1570} PROGRAMMING
143 XOR Guessing *special interactive Statement G Kotlin Heroes: Practice 8 {1570} PROGRAMMING
359 Yellow Cards *special math Statement B Kotlin Heroes: Practice 8 {1570} PROGRAMMING
271 Erasing Zeroes *special strings Statement E Kotlin Heroes: Practice 8 {1570} PROGRAMMING
67 Physical Examination *special binary search data structures Statement I Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
376 Fix the String *special bitmasks dp greedy Statement E Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
373 Sweepstake *special brute force constructive algorithms implementation math Statement D Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
231 Kotlinforces *special constructive algorithms dp Statement F Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
89 A Battle Against a Dragon *special data structures dp Statement G Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
59 Laser Beams *special geometry probabilities Statement H Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
403 Rhyme *special implementation Statement C Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
763 Epic Novel *special math Statement B Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
4954 Trivial Conjecture *special constructive algorithms math number theory Statement D April Fools Day Contest 2023 {1812} PROGRAMMING Editorial of April Fools Day Contest 2023
627 Colour Vision *special implementation Statement G April Fools Day Contest 2023 {1812} PROGRAMMING Editorial of April Fools Day Contest 2023
176 Expected Twist *special interactive Statement H April Fools Day Contest 2023 {1812} PROGRAMMING Editorial of April Fools Day Contest 2023
6314 Unmysterious Language *special interactive strings Statement J April Fools Day Contest 2023 {1812} PROGRAMMING Editorial of April Fools Day Contest 2023
1337 Factorization *special number theory Statement F April Fools Day Contest 2023 {1812} PROGRAMMING Editorial of April Fools Day Contest 2023
4320 Not a Geometry Problem *special *special geometry Statement E April Fools Day Contest 2023 {1812} PROGRAMMING Editorial of April Fools Day Contest 2023
6084 Was it Rated? *special *special *special brute force implementation Statement B April Fools Day Contest 2023 {1812} PROGRAMMING Editorial of April Fools Day Contest 2023
14375 Are You a Robot? *special *special *special expression parsing Statement A April Fools Day Contest 2023 {1812} PROGRAMMING Editorial of April Fools Day Contest 2023
113 Sum of Digits of Sums *special binary search data structures Statement H Kotlin Heroes: Episode 9 (Unrated, T-Shirts + Prizes!) {1910} PROGRAMMING 123261
70 Inverse Problem *special combinatorics dp Statement I Kotlin Heroes: Episode 9 (Unrated, T-Shirts + Prizes!) {1910} PROGRAMMING 123261
248 Maximum Sum Subarrays *special dp Statement E Kotlin Heroes: Episode 9 (Unrated, T-Shirts + Prizes!) {1910} PROGRAMMING 123261
812 Security Guard *special greedy Statement B Kotlin Heroes: Episode 9 (Unrated, T-Shirts + Prizes!) {1910} PROGRAMMING 123261
413 Remove and Add *special greedy Statement D Kotlin Heroes: Episode 9 (Unrated, T-Shirts + Prizes!) {1910} PROGRAMMING 123261
79 Pool Records *special greedy Statement G Kotlin Heroes: Episode 9 (Unrated, T-Shirts + Prizes!) {1910} PROGRAMMING 123261
229 Build Railway Stations *special greedy trees Statement F Kotlin Heroes: Episode 9 (Unrated, T-Shirts + Prizes!) {1910} PROGRAMMING 123261
2028 Username *special implementation Statement A Kotlin Heroes: Episode 9 (Unrated, T-Shirts + Prizes!) {1910} PROGRAMMING 123261
748 Poisonous Swamp *special *special implementation implementation Statement C Kotlin Heroes: Episode 9 (Unrated, T-Shirts + Prizes!) {1910} PROGRAMMING 123261
308 Evidence Board *special constructive algorithms dfs and similar graphs trees Statement B XVIII Open Olympiad in Informatics - Final Stage, Day 1 (Unrated, Online Mirror, IOI rules) {1939} PROGRAMMING