Codeforces problemset search & solutions
Exclude tags.

Review the problem statement from Codeforces (link will open a new tab). When you've matched your problem, go to the solutions.

Get exact match for tags using this format, eg: [u'brute force', 'dp']

< 1 2 3 ... 26 27 28 29 30 ... 100 101 102 >

Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
3809 Report data structures sortings Statement C Codeforces Round 344 (Div. 2) {631} PROGRAMMING 1700
2101 Messenger data structures hashing implementation string suffix structures strings Statement D Codeforces Round 344 (Div. 2) {631} PROGRAMMING 2100
2480 Product Sum data structures dp geometry Statement E Codeforces Round 344 (Div. 2) {631} PROGRAMMING Editorial Codeforces Round #344 (Div. 2) 2500
4632 Grandma Laura and Apples Statement A Educational Codeforces Round 9 {632} PROGRAMMING 1200
4049 Alice, Bob, Two Teams brute force constructive algorithms Statement B Educational Codeforces Round 9 {632} PROGRAMMING 43493 1400
8235 The Smallest String Concatenation sortings strings Statement C Educational Codeforces Round 9 {632} PROGRAMMING 43493 1800
3890 Longest Subsequence brute force math number theory Statement D Educational Codeforces Round 9 {632} PROGRAMMING 43493 2200
1116 Magic Matrix brute force divide and conquer graphs matrices trees Statement F Educational Codeforces Round 9 {632} PROGRAMMING 43493 2400
2887 Thief in a Shop divide and conquer dp fft math Statement E Educational Codeforces Round 9 {632} PROGRAMMING 43493 2500
13027 Ebony and Ivory brute force math number theory Statement A Manthan, Codefest 16 {633} PROGRAMMING Manthan, Codefest 16: Editorials 1200
6771 A Trivial Problem brute force constructive algorithms math number theory Statement B Manthan, Codefest 16 {633} PROGRAMMING Manthan, Codefest 16: Editorials 1300
2821 Spy Syndrome 2 data structures dp hashing implementation sortings string suffix structures strings Statement C Manthan, Codefest 16 {633} PROGRAMMING Manthan, Codefest 16: Editorials 1900
2833 Fibonacci-ish brute force dp hashing implementation math Statement D Manthan, Codefest 16 {633} PROGRAMMING Manthan, Codefest 16: Editorials 2000
592 Startup Funding binary search constructive algorithms data structures probabilities two pointers Statement E Manthan, Codefest 16 {633} PROGRAMMING 2400
1028 The Chocolate Spree dfs and similar dp graphs trees Statement F Manthan, Codefest 16 {633} PROGRAMMING 2500
798 Yash And Trees bitmasks data structures dfs and similar math number theory Statement G Manthan, Codefest 16 {633} PROGRAMMING Manthan, Codefest 16: Editorials 2700
604 Fibonacci-ish II data structures implementation Statement H Manthan, Codefest 16 {633} PROGRAMMING Manthan, Codefest 16: Editorials 2800
3337 Island Puzzle constructive algorithms implementation Statement A 8VC Venture Cup 2016 - Final Round (Div. 1 Edition) {634} PROGRAMMING 1400
2934 Orchestra brute force implementation Statement A 8VC Venture Cup 2016 - Final Round (Div. 2 Edition) {635} PROGRAMMING 8VC Venture Cup 2016 — Final Round Editorial 1200
5497 Voting for Photos *special constructive algorithms implementation Statement A VK Cup 2016 - Qualification Round 1 {637} PROGRAMMING 1500
17644 Chat Order *special binary search constructive algorithms data structures sortings Statement B VK Cup 2016 - Qualification Round 1 {637} PROGRAMMING 1500
2436 Promocodes with Mistakes *special brute force constructive algorithms implementation Statement C VK Cup 2016 - Qualification Round 1 {637} PROGRAMMING 1800
2041 Running with Obstacles *special data structures dp greedy Statement D VK Cup 2016 - Qualification Round 1 {637} PROGRAMMING 2000
4079 Home Numbers *special constructive algorithms math Statement A VK Cup 2016 - Qualification Round 2 {638} PROGRAMMING 1500
1985 Making Genome in Berland *special dfs and similar strings Statement B VK Cup 2016 - Qualification Round 2 {638} PROGRAMMING 1800
1724 Road Improvement *special dfs and similar graphs greedy trees Statement C VK Cup 2016 - Qualification Round 2 {638} PROGRAMMING 2100
727 Three-dimensional Turtle Super Computer brute force dfs and similar graphs Statement D VK Cup 2016 - Qualification Round 2 {638} PROGRAMMING 2200
6179 Bear and Displayed Friends implementation Statement A VK Cup 2016 - Round 1 {639} PROGRAMMING 1200
6567 Bear and Forgotten Tree 3 constructive algorithms graphs trees Statement B VK Cup 2016 - Round 1 {639} PROGRAMMING Tutorial 1600
1220 Bear and Polynomials hashing implementation math Statement C VK Cup 2016 - Round 1 {639} PROGRAMMING 2200
978 Bear and Contribution data structures greedy sortings Statement D VK Cup 2016 - Round 1 {639} PROGRAMMING 2500
586 Bear and Paradox greedy math sortings Statement E VK Cup 2016 - Round 1 {639} PROGRAMMING 2800
430 Bear and Chemistry data structures dfs and similar graphs trees Statement F VK Cup 2016 - Round 1 {639} PROGRAMMING 3300
5995 Little Artem and Grasshopper implementation Statement A VK Cup 2016 - Round 2 {641} PROGRAMMING VK Cup 2016 — Раунд 2 (editorial) 1100
4014 Little Artem and Matrix implementation Statement B VK Cup 2016 - Round 2 {641} PROGRAMMING 1400
3090 Little Artem and Dance brute force constructive algorithms implementation Statement C VK Cup 2016 - Round 2 {641} PROGRAMMING VK Cup 2016 — Раунд 2 (editorial) 1800
3356 Little Artem and Time Machine data structures Statement E VK Cup 2016 - Round 2 {641} PROGRAMMING VK Cup 2016 — Раунд 2 (editorial) 2000
1364 Little Artem and Random Variable dp implementation math probabilities Statement D VK Cup 2016 - Round 2 {641} PROGRAMMING 2300
195 Little Artem and 2-SAT Statement F VK Cup 2016 - Round 2 {641} PROGRAMMING 2900
92 Little Artem and Graph Statement G VK Cup 2016 - Round 2 {641} PROGRAMMING VK Cup 2016 — Раунд 2 (editorial) 3300
0 Scheduler for Invokers *special Statement A VK Cup 2016 - Wild Card Round 2 {642} PROGRAMMING 2900
4164 Bear and Colors implementation Statement A VK Cup 2016 - Round 3 {643} PROGRAMMING VK Cup 2016 — Round 3 — Editorial 1500
3215 Bear and Two Paths constructive algorithms graphs Statement B VK Cup 2016 - Round 3 {643} PROGRAMMING 1600
1426 Levels and Regions dp Statement C VK Cup 2016 - Round 3 {643} PROGRAMMING VK Cup 2016 — Round 3 — Editorial 2500
645 Bear and Destroying Subtrees dp math probabilities trees Statement E VK Cup 2016 - Round 3 {643} PROGRAMMING VK Cup 2016 — Round 3 — Editorial 2600
728 Bears and Juice dp math meet-in-the-middle Statement F VK Cup 2016 - Round 3 {643} PROGRAMMING 2900
317 Bearish Fanpages Statement D VK Cup 2016 - Round 3 {643} PROGRAMMING 2900
1030 Choosing Ads data structures Statement G VK Cup 2016 - Round 3 {643} PROGRAMMING VK Cup 2016 — Round 3 — Editorial 3100
4473 Parliament of Berland *special constructive algorithms Statement A CROC 2016 - Qualification {644} PROGRAMMING 1700
2715 Processing Queries *special constructive algorithms data structures two pointers Statement B CROC 2016 - Qualification {644} PROGRAMMING 2200
924 Hostname Aliases *special binary search data structures implementation sortings strings Statement C CROC 2016 - Qualification {644} PROGRAMMING 2300
3593 Amity Assessment brute force constructive algorithms implementation Statement A CROC 2016 - Elimination Round {645} PROGRAMMING Editorial for CROC 2016 Elimination Round 1200
3431 Mischievous Mess Makers greedy math Statement B CROC 2016 - Elimination Round {645} PROGRAMMING Editorial for CROC 2016 Elimination Round 1300
3453 Enduring Exodus binary search two pointers Statement C CROC 2016 - Elimination Round {645} PROGRAMMING 1600
2959 Robot Rapping Results Report binary search dp graphs Statement D CROC 2016 - Elimination Round {645} PROGRAMMING 1800
1291 Intellectual Inquiry dp greedy strings Statement E CROC 2016 - Elimination Round {645} PROGRAMMING 2100
811 Cowslip Collections combinatorics math number theory Statement F CROC 2016 - Elimination Round {645} PROGRAMMING 2500
116 Armistice Area Apportionment binary search geometry Statement G CROC 2016 - Elimination Round {645} PROGRAMMING 2600
1072 Путь Робота dfs and similar graphs Statement C Технокубок 2016 - Отборочный Раунд 1 {648} PROGRAMMING 1500.0 1100
258 Собачки и миски greedy sortings Statement D Технокубок 2016 - Отборочный Раунд 1 {648} PROGRAMMING 2000.0 1900
140 Собери число Statement E Технокубок 2016 - Отборочный Раунд 1 {648} PROGRAMMING 2500.0 2300
1668 Собери стол constructive algorithms sortings Statement B Технокубок 2016 - Отборочный Раунд 1 {648} PROGRAMMING 1000.0 800
777 Наибольший подъем constructive algorithms Statement A Технокубок 2016 - Отборочный Раунд 1 {648} PROGRAMMING 500.0 900
1413 Любимые числа Поликарпа constructive algorithms Statement A Технокубок 2016 - Отборочный Раунд 2 {649} PROGRAMMING 500.0 1000
561 Этажи constructive algorithms Statement B Технокубок 2016 - Отборочный Раунд 2 {649} PROGRAMMING 1000.0 1400
481 Печать условий greedy sortings Statement C Технокубок 2016 - Отборочный Раунд 2 {649} PROGRAMMING 1500.0 1500
373 Дефрагментация памяти constructive algorithms greedy implementation Statement D Технокубок 2016 - Отборочный Раунд 2 {649} PROGRAMMING 2000.0 1600
111 Автобус binary search data structures greedy sortings Statement E Технокубок 2016 - Отборочный Раунд 2 {649} PROGRAMMING 2500.0 2100
15747 Watchmen data structures geometry math Statement A Codeforces Round 345 (Div. 1) {650} PROGRAMMING Codeforces Round #345: editorial 1500
3371 Image Preview binary search brute force dp two pointers Statement B Codeforces Round 345 (Div. 1) {650} PROGRAMMING 1900
2039 Table Compression dfs and similar dp ds graphs greedy Statement C Codeforces Round 345 (Div. 1) {650} PROGRAMMING 2300
1399 Zip-line binary search data structures dp hashing Statement D Codeforces Round 345 (Div. 1) {650} PROGRAMMING 2600
610 Clockwork Bomb data structures dfs and similar ds greedy trees Statement E Codeforces Round 345 (Div. 1) {650} PROGRAMMING 3100
23169 Joysticks dp greedy implementation math Statement A Codeforces Round 345 (Div. 2) {651} PROGRAMMING 1100
11671 Beautiful Paintings greedy sortings Statement B Codeforces Round 345 (Div. 2) {651} PROGRAMMING 1200
10472 z-sort sortings Statement B Educational Codeforces Round 10 {652} PROGRAMMING Editorial of Educational Codeforces Round 10 1100
4806 Gabriel and Caterpillar implementation math Statement A Educational Codeforces Round 10 {652} PROGRAMMING Editorial of Educational Codeforces Round 10 1400
3286 Foe Pairs combinatorics sortings two pointers Statement C Educational Codeforces Round 10 {652} PROGRAMMING 1800
4088 Nested Segments data structures sortings Statement D Educational Codeforces Round 10 {652} PROGRAMMING Editorial of Educational Codeforces Round 10 1900
2270 Pursuit For Artifacts dfs and similar ds graphs trees Statement E Educational Codeforces Round 10 {652} PROGRAMMING 2300
560 Ants on a Circle constructive algorithms math Statement F Educational Codeforces Round 10 {652} PROGRAMMING Editorial of Educational Codeforces Round 10 2800
8298 Bear and Three Balls brute force implementation sortings Statement A IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) {653} PROGRAMMING IndiaHacks Finals 2016 — Editorial 1000
5039 Bear and Compressing brute force dfs and similar dp strings Statement B IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) {653} PROGRAMMING 1300
1657 Bear and Up-Down brute force implementation Statement C IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) {653} PROGRAMMING IndiaHacks Finals 2016 — Editorial 1900
2535 Delivery Bears binary search flows graphs Statement D IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) {653} PROGRAMMING 2100
1576 Bear and Forgotten Tree 2 dfs and similar ds graphs trees Statement E IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) {653} PROGRAMMING 2400
1011 Paper task data structures string suffix structures strings Statement F IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) {653} PROGRAMMING IndiaHacks Finals 2016 — Editorial 2500
565 Move by Prime combinatorics math number theory Statement G IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) {653} PROGRAMMING IndiaHacks Finals 2016 — Editorial 3000
1659 Scrambled *special implementation Statement B April Fools Day Contest 2016 {656} PROGRAMMING 44141 1700
3640 Da Vinci Powers *special Statement A April Fools Day Contest 2016 {656} PROGRAMMING 44141 1900
730 Out of Controls *special Statement E April Fools Day Contest 2016 {656} PROGRAMMING 44141 2100
914 Ace It! *special Statement F April Fools Day Contest 2016 {656} PROGRAMMING 44141 2100
487 You're a Professional *special Statement G April Fools Day Contest 2016 {656} PROGRAMMING 44141 2200
697 Without Text *special Statement C April Fools Day Contest 2016 {656} PROGRAMMING 44141 2200
962 Rosetta Problem *special Statement D April Fools Day Contest 2016 {656} PROGRAMMING 44141 2200
7158 Bear and Reverse Radewoosh implementation Statement A VK Cup 2016 - Round 1 (Div. 2 Edition) {658} PROGRAMMING 700
16041 Round House implementation math Statement A Codeforces Round 346 (Div. 2) {659} PROGRAMMING Editorial for Codeforces Round #346 (Div. 2) 1100
11526 Tanya and Toys greedy implementation Statement C Codeforces Round 346 (Div. 2) {659} PROGRAMMING 1200
6322 Qualifying Contest constructive algorithms sortings Statement B Codeforces Round 346 (Div. 2) {659} PROGRAMMING 1400
6369 Bicycle Race geometry implementation math Statement D Codeforces Round 346 (Div. 2) {659} PROGRAMMING 1500