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1986 Make It Equal binary search brute force greedy math Statement B 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 2100
1834 Grid Walk dp greedy math number theory Statement K 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 2100
910 Divide OR Conquer bitmasks data structures dp implementation Statement D 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 2400
763 Polyathlon data structures hashing string suffix structures strings Statement I 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 2500
498 Alternative Platforms combinatorics data structures fft math sortings Statement F 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 2500
342 Royal Flush dp implementation Statement M 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 2800
160 Barrels data structures greedy math Statement E 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 2900
186 Galactic Council flows Statement H 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 3000
8923 Waiting for... greedy implementation Statement J 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 800
11515 Fixing the Expression implementation Statement N 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 800
5122 Shohag Loves XOR (Hard Version) bitmasks brute force math number theory Statement C2 CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} PROGRAMMING 1500.0 Editorial of CodeTON Round 9 (Div. 1 + Div. 2)
13912 Shohag Loves XOR (Easy Version) bitmasks brute force math number theory Statement C1 CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} PROGRAMMING 1000.0 Editorial of CodeTON Round 9 (Div. 1 + Div. 2)
17748 Shohag Loves Strings constructive algorithms greedy implementation strings Statement B CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} PROGRAMMING 1000.0 Editorial of CodeTON Round 9 (Div. 1 + Div. 2)
90 Shohag Loves Pebae Statement G CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} PROGRAMMING 4250.0 Editorial of CodeTON Round 9 (Div. 1 + Div. 2)
18328 Shohag Loves Mod constructive algorithms number theory Statement A CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} PROGRAMMING 500.0 Editorial of CodeTON Round 9 (Div. 1 + Div. 2)
2431 Shohag Loves Inversions combinatorics constructive algorithms dp math Statement E CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} PROGRAMMING 2750.0 Editorial of CodeTON Round 9 (Div. 1 + Div. 2)
7219 Shohag Loves GCD constructive algorithms greedy math number theory Statement D CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} PROGRAMMING 2000.0 Editorial of CodeTON Round 9 (Div. 1 + Div. 2)
302 Shohag Loves Counting (Hard Version) number theory Statement F2 CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} PROGRAMMING 2000.0 Editorial of CodeTON Round 9 (Div. 1 + Div. 2)
535 Shohag Loves Counting (Easy Version) combinatorics dp math number theory Statement F1 CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} PROGRAMMING 2000.0 Editorial of CodeTON Round 9 (Div. 1 + Div. 2)
107 Cool Swap Walk (Easy Version) constructive algorithms implementation implementation sortings sortings Statement H1 CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} PROGRAMMING 2250.0 Editorial of CodeTON Round 9 (Div. 1 + Div. 2)
102 Cool Swap Walk (Hard Version) constructive algorithms constructive algorithms constructive algorithms implementation sortings Statement H2 CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} PROGRAMMING 2500.0 Editorial of CodeTON Round 9 (Div. 1 + Div. 2) 3500
24684 Paint a Strip constructive algorithms greedy math Statement B Codeforces Round 992 (Div. 2) {2040} PROGRAMMING 1000.0 Codeforces Round #992 (Div.2) Editorial
11122 Ordered Permutations constructive algorithms greedy math Statement C Codeforces Round 992 (Div. 2) {2040} PROGRAMMING 1500.0 Codeforces Round #992 (Div.2) Editorial
473 Number of Cubes combinatorics math number theory Statement F Codeforces Round 992 (Div. 2) {2040} PROGRAMMING 2750.0 Codeforces Round #992 (Div.2) Editorial
6041 Non Prime Tree brute force constructive algorithms dfs and similar greedy number theory trees two pointers Statement D Codeforces Round 992 (Div. 2) {2040} PROGRAMMING 2000.0 Codeforces Round #992 (Div.2) Editorial
24775 Game of Division brute force games math Statement A Codeforces Round 992 (Div. 2) {2040} PROGRAMMING 500.0 Codeforces Round #992 (Div.2) Editorial
2815 Control of Randomness combinatorics dfs and similar graphs greedy math probabilities trees Statement E Codeforces Round 992 (Div. 2) {2040} PROGRAMMING 2250.0 Codeforces Round #992 (Div.2) Editorial
124 Trophic Balance Species Statement K 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} PROGRAMMING Problem Analysis and Hints (PDF)
11666 The Bento Box Adventure implementation Statement A 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} PROGRAMMING Problem Analysis and Hints (PDF)
1066 Sheet Music combinatorics dp Statement H 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} PROGRAMMING Problem Analysis and Hints (PDF)
1375 Selection Sort greedy Statement M 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} PROGRAMMING Problem Analysis and Hints (PDF)
525 Segmentation Folds brute force dfs and similar number theory Statement F 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} PROGRAMMING Problem Analysis and Hints (PDF)
84 Railway Construction Statement N 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} PROGRAMMING Problem Analysis and Hints (PDF)
69 Grid Game Statement G 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} PROGRAMMING Problem Analysis and Hints (PDF)
5444 Drunken Maze dfs and similar graphs shortest paths Statement D 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} PROGRAMMING Problem Analysis and Hints (PDF)
2102 Cube bitmasks dp Statement C 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} PROGRAMMING Problem Analysis and Hints (PDF)
72 Building Castle Statement L 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} PROGRAMMING Problem Analysis and Hints (PDF)
7453 Bowling Frame binary search math Statement B 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} PROGRAMMING Problem Analysis and Hints (PDF)
283 Bottle Arrangement dsu greedy Statement J 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} PROGRAMMING Problem Analysis and Hints (PDF)
10265 Beautiful Array constructive algorithms Statement E 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} PROGRAMMING Problem Analysis and Hints (PDF)
695 Auto Complete data structures implementation sortings strings trees Statement I 2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2041} PROGRAMMING Problem Analysis and Hints (PDF)
545 Vertex Pairs binary search brute force dfs and similar dp greedy trees Statement E Educational Codeforces Round 172 (Rated for Div. 2) {2042} PROGRAMMING 136886
948 Two Subarrays data structures dp implementation matrices Statement F Educational Codeforces Round 172 (Rated for Div. 2) {2042} PROGRAMMING 136886
5555 Recommendations binary search data structures implementation sortings Statement D Educational Codeforces Round 172 (Rated for Div. 2) {2042} PROGRAMMING 136886
21114 Greedy Monocarp greedy sortings Statement A Educational Codeforces Round 172 (Rated for Div. 2) {2042} PROGRAMMING 136886
19934 Game with Colored Marbles games greedy Statement B Educational Codeforces Round 172 (Rated for Div. 2) {2042} PROGRAMMING 136886
8963 Competitive Fishing greedy sortings Statement C Educational Codeforces Round 172 (Rated for Div. 2) {2042} PROGRAMMING 136886
11575 Sums on Segments binary search brute force data structures dp greedy math Statement C Educational Codeforces Round 173 (Rated for Div. 2) {2043} PROGRAMMING Educational Codeforces Round 173 Editorial
342 Problem with Queries binary search brute force data structures Statement G Educational Codeforces Round 173 (Rated for Div. 2) {2043} PROGRAMMING Educational Codeforces Round 173 Editorial
7952 Problem about GCD brute force math number theory Statement D Educational Codeforces Round 173 (Rated for Div. 2) {2043} PROGRAMMING Educational Codeforces Round 173 Editorial
930 Nim bitmasks dp games Statement F Educational Codeforces Round 173 (Rated for Div. 2) {2043} PROGRAMMING Educational Codeforces Round 173 Editorial
1879 Matrix Transformation bitmasks brute force dfs and similar graphs implementation Statement E Educational Codeforces Round 173 (Rated for Div. 2) {2043} PROGRAMMING Educational Codeforces Round 173 Editorial
22254 Digits math number theory Statement B Educational Codeforces Round 173 (Rated for Div. 2) {2043} PROGRAMMING Educational Codeforces Round 173 Editorial
27271 Coin Transformation brute force math Statement A Educational Codeforces Round 173 (Rated for Div. 2) {2043} PROGRAMMING Educational Codeforces Round 173 Editorial
53706 Normal Problem strings Statement B Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial
4065 Medium Demon Problem (hard version) dfs and similar dp dsu graphs implementation trees Statement G2 Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial
7704 Medium Demon Problem (easy version) dfs and similar graph matchings graphs Statement G1 Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial
18675 Insane Problem binary search greedy implementation math Statement E Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial
46434 Hard Problem greedy math Statement C Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial
24703 Harder Problem constructive algorithms greedy math Statement D Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial
2710 Hard Demon Problem data structures dp implementation math Statement H Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial
63559 Easy Problem brute force math Statement A Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial
6480 Easy Demon Problem binary search brute force math number theory Statement F Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial
7625 Saraga greedy strings Statement C 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING raRzKDJLPHcUnqTcwvGznwEdKiDWjEkd.pdf 1400
2705 Scrambled Scrabble brute force greedy Statement A 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING raRzKDJLPHcUnqTcwvGznwEdKiDWjEkd.pdf 1700
2335 Mirror Maze brute force dfs and similar graphs implementation Statement M 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING raRzKDJLPHcUnqTcwvGznwEdKiDWjEkd.pdf 1800
1803 ICPC Square math number theory Statement B 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING raRzKDJLPHcUnqTcwvGznwEdKiDWjEkd.pdf 2000
1445 Microwavable Subsequence data structures Statement I 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING raRzKDJLPHcUnqTcwvGznwEdKiDWjEkd.pdf 2100
988 X Aura graphs shortest paths Statement G 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING raRzKDJLPHcUnqTcwvGznwEdKiDWjEkd.pdf 2200
830 Missing Separators dp sortings string suffix structures strings Statement H 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING raRzKDJLPHcUnqTcwvGznwEdKiDWjEkd.pdf 2200
357 Xorderable Array bitmasks data structures Statement J 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING raRzKDJLPHcUnqTcwvGznwEdKiDWjEkd.pdf 2600
386 Narrower Passageway combinatorics data structures Statement E 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING raRzKDJLPHcUnqTcwvGznwEdKiDWjEkd.pdf 2700
135 GCDDCG Statement K 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING raRzKDJLPHcUnqTcwvGznwEdKiDWjEkd.pdf 2900
177 Grid Game 3-angle games math Statement F 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING raRzKDJLPHcUnqTcwvGznwEdKiDWjEkd.pdf 3000
168 Buggy DFS constructive algorithms Statement L 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING raRzKDJLPHcUnqTcwvGznwEdKiDWjEkd.pdf 3000
77 Aquatic Dragon Statement D 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING raRzKDJLPHcUnqTcwvGznwEdKiDWjEkd.pdf 3500
111 Yandex Cuneiform (Hard Version) constructive algorithms data structures greedy Statement F2 Codeforces Round 990 (Div. 1) {2046} PROGRAMMING 2500.0 Разбор Codeforces Round 990 (Div. 2 + Div. 1)
144 Yandex Cuneiform (Easy Version) constructive algorithms data structures greedy Statement F1 Codeforces Round 990 (Div. 1) {2046} PROGRAMMING 2000.0 Разбор Codeforces Round 990 (Div. 2 + Div. 1)
17291 Swap Columns and Find a Path greedy sortings Statement A Codeforces Round 990 (Div. 1) {2046} PROGRAMMING 500.0 Разбор Codeforces Round 990 (Div. 2 + Div. 1)
11308 Move Back at a Cost binary search data structures greedy sortings Statement B Codeforces Round 990 (Div. 1) {2046} PROGRAMMING 750.0 Разбор Codeforces Round 990 (Div. 2 + Div. 1)
568 For the Emperor! flows graphs Statement D Codeforces Round 990 (Div. 1) {2046} PROGRAMMING 2500.0 Разбор Codeforces Round 990 (Div. 2 + Div. 1)
98 Cheops and a Contest (Hard Version) greedy Statement E2 Codeforces Round 990 (Div. 1) {2046} PROGRAMMING 1500.0 Разбор Codeforces Round 990 (Div. 2 + Div. 1)
238 Cheops and a Contest (Easy Version) constructive algorithms greedy Statement E1 Codeforces Round 990 (Div. 1) {2046} PROGRAMMING 2000.0 Разбор Codeforces Round 990 (Div. 2 + Div. 1)
2431 Adventurers binary search data structures sortings Statement C Codeforces Round 990 (Div. 1) {2046} PROGRAMMING 1500.0 Разбор Codeforces Round 990 (Div. 2 + Div. 1)
19763 Replace Character brute force combinatorics greedy strings Statement B Codeforces Round 990 (Div. 2) {2047} PROGRAMMING 1000.0 Разбор Codeforces Round 990 (Div. 2 + Div. 1)
18074 Alyona and a Square Jigsaw Puzzle implementation math Statement A Codeforces Round 990 (Div. 2) {2047} PROGRAMMING 500.0 Разбор Codeforces Round 990 (Div. 2 + Div. 1)
262 Kevin and Strange Operation data structures dp Statement H Codeforces Global Round 28 {2048} PROGRAMMING 2750.0 Tutorial
71 Kevin and Puzzle (Hard Version) bitmasks fft math Statement I2 Codeforces Global Round 28 {2048} PROGRAMMING 3000.0 Tutorial
112 Kevin and Puzzle (Easy Version) constructive algorithms Statement I1 Codeforces Global Round 28 {2048} PROGRAMMING 3000.0 Tutorial
21059 Kevin and Permutation constructive algorithms greedy Statement B Codeforces Global Round 28 {2048} PROGRAMMING 500.0 Tutorial
776 Kevin and Matrices combinatorics math Statement G Codeforces Global Round 28 {2048} PROGRAMMING 2250.0 Tutorial
1363 Kevin and Math Class brute force data structures divide and conquer dp math trees two pointers Statement F Codeforces Global Round 28 {2048} PROGRAMMING 2000.0 Tutorial
8580 Kevin and Competition Memories binary search data structures greedy sortings two pointers Statement D Codeforces Global Round 28 {2048} PROGRAMMING 1250.0 Tutorial
23079 Kevin and Combination Lock brute force implementation math number theory Statement A Codeforces Global Round 28 {2048} PROGRAMMING 250.0 Tutorial
3597 Kevin and Bipartite Graph constructive algorithms graphs greedy Statement E Codeforces Global Round 28 {2048} PROGRAMMING 1750.0 Tutorial
15528 Kevin and Binary Strings bitmasks brute force greedy strings Statement C Codeforces Global Round 28 {2048} PROGRAMMING 1000.0 Tutorial
6198 Shift + Esc dp implementation Statement D Codeforces Round 994 (Div. 2) {2049} PROGRAMMING 1750.0 Codeforces Round #994 (Div. 2) Editorial
19338 pspspsps brute force constructive algorithms implementation Statement B Codeforces Round 994 (Div. 2) {2049} PROGRAMMING 750.0 Codeforces Round #994 (Div. 2) Editorial
608 MEX OR Mania bitmasks data structures implementation Statement F Codeforces Round 994 (Div. 2) {2049} PROGRAMMING 2750.0 Codeforces Round #994 (Div. 2) Editorial
24377 MEX Destruction greedy implementation Statement A Codeforces Round 994 (Div. 2) {2049} PROGRAMMING 500.0 Codeforces Round #994 (Div. 2) Editorial
14031 MEX Cycle constructive algorithms greedy implementation Statement C Codeforces Round 994 (Div. 2) {2049} PROGRAMMING 1000.0 Codeforces Round #994 (Div. 2) Editorial
1645 Broken Queries binary search bitmasks interactive Statement E Codeforces Round 994 (Div. 2) {2049} PROGRAMMING 2250.0 Codeforces Round #994 (Div. 2) Editorial
25832 Uninteresting Number brute force dp math Statement C Codeforces Round 991 (Div. 3) {2050} PROGRAMMING Разбор Codeforces Round 991 (Div. 3)
5625 Tree Destruction dfs and similar dp greedy trees Statement G Codeforces Round 991 (Div. 3) {2050} PROGRAMMING Разбор Codeforces Round 991 (Div. 3)
27876 Transfusion brute force greedy math Statement B Codeforces Round 991 (Div. 3) {2050} PROGRAMMING Разбор Codeforces Round 991 (Div. 3)
15163 Three Strings dp implementation strings Statement E Codeforces Round 991 (Div. 3) {2050} PROGRAMMING Разбор Codeforces Round 991 (Div. 3)
11536 Maximum modulo equality data structures math number theory Statement F Codeforces Round 991 (Div. 3) {2050} PROGRAMMING Разбор Codeforces Round 991 (Div. 3)
37004 Line Breaks implementation Statement A Codeforces Round 991 (Div. 3) {2050} PROGRAMMING Разбор Codeforces Round 991 (Div. 3)
19580 Digital string maximization brute force greedy math strings Statement D Codeforces Round 991 (Div. 3) {2050} PROGRAMMING Разбор Codeforces Round 991 (Div. 3)
2521 Snakes bitmasks dp graphs Statement G Codeforces Round 995 (Div. 3) {2051} PROGRAMMING 137623
35666 Preparing for the Olympiad greedy Statement A Codeforces Round 995 (Div. 3) {2051} PROGRAMMING 137623
28662 Preparing for the Exam constructive algorithms implementation Statement C Codeforces Round 995 (Div. 3) {2051} PROGRAMMING 137623
40888 Journey binary search math Statement B Codeforces Round 995 (Div. 3) {2051} PROGRAMMING 137623
4100 Joker greedy math Statement F Codeforces Round 995 (Div. 3) {2051} PROGRAMMING 137623
24891 Counting Pairs binary search sortings two pointers Statement D Codeforces Round 995 (Div. 3) {2051} PROGRAMMING 137623
12414 Best Price brute force data structures greedy sortings Statement E Codeforces Round 995 (Div. 3) {2051} PROGRAMMING 137623
409 Managing Cluster dp graphs math trees Statement M 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} PROGRAMMING
163 Legacy Screensaver Statement L 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} PROGRAMMING
104 Knowns and Unknowns Statement K 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} PROGRAMMING
1597 Judicious Watching binary search greedy Statement J 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} PROGRAMMING
158 Incompetent Delivery Guy graphs shortest paths Statement I 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} PROGRAMMING
76 Hunting Hoglins in Hogwarts interactive Statement H 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} PROGRAMMING
213 Geometric Balance Statement G 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} PROGRAMMING
3916 Fix Flooded Floor constructive algorithms dp Statement F 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} PROGRAMMING
1554 Expression Correction Statement E 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} PROGRAMMING
1248 DAG Serialization brute force graphs Statement D 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} PROGRAMMING
69 Cactus without Bridges constructive algorithms math Statement C 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} PROGRAMMING
459 BitBitJump Statement B 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} PROGRAMMING
4457 Adrenaline Rush Statement A 2024-2025 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2052} PROGRAMMING
21425 Tender Carpenter dp geometry implementation math Statement A Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 500.0 Good Bye 2024: 2025 is NEAR Editorial
4608 Resourceful Caterpillar Sequence dfs and similar dp games graphs implementation trees Statement E Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 2000.0 Good Bye 2024: 2025 is NEAR Editorial
7857 Refined Product Optimality binary search data structures greedy implementation math schedules sortings Statement D Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 1750.0 Good Bye 2024: 2025 is NEAR Editorial
17337 Outstanding Impressionist binary search brute force greedy Statement B Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 1000.0 Good Bye 2024: 2025 is NEAR Editorial
232 Naive String Splits brute force greedy hashing strings Statement G Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 4250.0 Good Bye 2024: 2025 is NEAR Editorial
974 Earnest Matrix Complement data structures dp greedy implementation Statement F Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 2500.0 Good Bye 2024: 2025 is NEAR Editorial
86 Delicate Anti-monotonous Operations constructive algorithms implementation Statement H Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 4500.0 Good Bye 2024: 2025 is NEAR Editorial
12660 Bewitching Stargazer bitmasks divide and conquer dp math Statement C Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 1250.0 Good Bye 2024: 2025 is NEAR Editorial
111 Affectionate Arrays (Hard Version) data structures dp graphs greedy math shortest paths two pointers Statement I2 Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 2000.0 Good Bye 2024: 2025 is NEAR Editorial
568 Affectionate Arrays (Easy Version) dp greedy Statement I1 Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 3000.0 Good Bye 2024: 2025 is NEAR Editorial
34080 Two Frogs constructive algorithms games greedy Statement A Codeforces Round 996 (Div. 2) {2055} PROGRAMMING 500.0 Codeforces Round 996 (Div. 2) Editorial
17695 The Trail constructive algorithms greedy math Statement C Codeforces Round 996 (Div. 2) {2055} PROGRAMMING 1500.0 Codeforces Round 996 (Div. 2) Editorial
4446 Scarecrow binary search greedy Statement D Codeforces Round 996 (Div. 2) {2055} PROGRAMMING 2250.0 Codeforces Round 996 (Div. 2) Editorial
508 Haystacks constructive algorithms data structures greedy Statement E Codeforces Round 996 (Div. 2) {2055} PROGRAMMING 3000.0 Codeforces Round 996 (Div. 2) Editorial
27849 Crafting greedy sortings Statement B Codeforces Round 996 (Div. 2) {2055} PROGRAMMING 1000.0 Codeforces Round 996 (Div. 2) Editorial
91 Cosmic Divide brute force geometry hashing math strings Statement F Codeforces Round 996 (Div. 2) {2055} PROGRAMMING 3500.0 Codeforces Round 996 (Div. 2) Editorial
371 Xor of Median (Hard Version) bitmasks combinatorics Statement F2 Codeforces Round 997 (Div. 2) {2056} PROGRAMMING 1250.0 Codeforces Round #997 (Div. 2) Editorial
464 Xor of Median (Easy Version) bitmasks combinatorics dp math Statement F1 Codeforces Round 997 (Div. 2) {2056} PROGRAMMING 2750.0 Codeforces Round #997 (Div. 2) Editorial
3747 Unique Median brute force data structures divide and conquer Statement D Codeforces Round 997 (Div. 2) {2056} PROGRAMMING 2000.0 Codeforces Round #997 (Div. 2) Editorial
27013 Shape Perimeter math Statement A Codeforces Round 997 (Div. 2) {2056} PROGRAMMING 500.0 Codeforces Round #997 (Div. 2) Editorial
19892 Palindromic Subsequences constructive algorithms math Statement C Codeforces Round 997 (Div. 2) {2056} PROGRAMMING 1500.0 Codeforces Round #997 (Div. 2) Editorial
1068 Nested Segments combinatorics dp math trees Statement E Codeforces Round 997 (Div. 2) {2056} PROGRAMMING 2250.0 Codeforces Round #997 (Div. 2) Editorial
18272 Find the Permutation dfs and similar graphs implementation sortings Statement B Codeforces Round 997 (Div. 2) {2056} PROGRAMMING 1250.0 Codeforces Round #997 (Div. 2) Editorial
14207 Trip to the Olympiad bitmasks constructive algorithms greedy math Statement C Hello 2025 {2057} PROGRAMMING 1500.0
810 Secret Message constructive algorithms math Statement G Hello 2025 {2057} PROGRAMMING 3750.0
27820 MEX Table constructive algorithms greedy Statement A Hello 2025 {2057} PROGRAMMING 500.0
23765 Gorilla and the Exam greedy sortings Statement B Hello 2025 {2057} PROGRAMMING 1000.0
5580 Gifts Order data structures greedy math Statement D Hello 2025 {2057} PROGRAMMING 2250.0
254 Formation dp sortings Statement F Hello 2025 {2057} PROGRAMMING 3500.0
190 Coffee Break data structures greedy greedy math Statement H Hello 2025 {2057} PROGRAMMING 4500.0
2025 Another Exercise on Graphs (hard version) binary search brute force dsu graphs shortest paths sortings trees Statement E2 Hello 2025 {2057} PROGRAMMING 2000.0
2712 Another Exercise on Graphs (Easy Version) binary search brute force dp graphs shortest paths Statement E1 Hello 2025 {2057} PROGRAMMING 1000.0
357 Stop Gaming (Hard Version) brute force constructive algorithms data structures Statement E2 Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 1500.0 139094
911 Stop Gaming (Easy Version) brute force constructive algorithms greedy hashing Statement E1 Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 1500.0 139094
29518 Milya and Two Arrays constructive algorithms greedy sortings Statement A Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 500.0 139094
6797 Graph and Graph data structures graphs greedy shortest paths Statement D Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 2000.0 139094
12907 Customer Service brute force constructive algorithms graph matchings greedy math sortings Statement C Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 1500.0 139094
19227 Cost of the Array brute force constructive algorithms greedy math Statement B Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 1000.0 139094
26811 Subtract Min Sort greedy Statement D Codeforces Round 998 (Div. 3) {2060} PROGRAMMING Codeforces Round 998 (Div. 3) Editorial
2679 Multiplicative Arrays combinatorics dp Statement F Codeforces Round 998 (Div. 3) {2060} PROGRAMMING Codeforces Round 998 (Div. 3) Editorial
13008 Graph Composition dfs and similar dsu graphs greedy Statement E Codeforces Round 998 (Div. 3) {2060} PROGRAMMING Codeforces Round 998 (Div. 3) Editorial
33093 Game of Mathletes games greedy sortings two pointers Statement C Codeforces Round 998 (Div. 3) {2060} PROGRAMMING Codeforces Round 998 (Div. 3) Editorial
41849 Fibonacciness brute force Statement A Codeforces Round 998 (Div. 3) {2060} PROGRAMMING Codeforces Round 998 (Div. 3) Editorial
29175 Farmer John's Card Game greedy sortings Statement B Codeforces Round 998 (Div. 3) {2060} PROGRAMMING Codeforces Round 998 (Div. 3) Editorial
1346 Bugged Sort dp greedy sortings Statement G Codeforces Round 998 (Div. 3) {2060} PROGRAMMING Codeforces Round 998 (Div. 3) Editorial
538 Kevin and Teams constructive algorithms graphs interactive Statement G IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 3000.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
75 Kevin and Stones (Hard Version) flows graphs Statement H2 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 5000.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
111 Kevin and Stones (Easy Version) flows graph matchings graphs Statement H1 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 3000.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
10358 Kevin and Puzzle data structures dp Statement C IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 1500.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
11140 Kevin and Numbers brute force data structures greedy implementation math Statement D IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 1500.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
138 Kevin and Nivek divide and conquer dp Statement I IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 4500.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
15037 Kevin and Geometry brute force constructive algorithms data structures geometry greedy implementation math two pointers Statement B IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 1000.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
156 Kevin and Binary String (Hard Version) data structures dp Statement F2 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 2000.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
2319 Kevin and Binary String (Easy Version) binary search brute force data structures dp greedy implementation strings two pointers Statement F1 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 2000.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
22546 Kevin and Arithmetic constructive algorithms greedy math Statement A IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 500.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
4107 Kevin and And bitmasks brute force dp greedy Statement E IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 2000.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
641 Traveling Salescat dp geometry greedy math sortings Statement F Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) {2062} PROGRAMMING 3500.0 Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) Editorial
472 The Game (Hard Version) data structures dfs and similar games graphs trees Statement E2 Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) {2062} PROGRAMMING 2500.0 Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) Editorial
4433 The Game (Easy Version) dfs and similar games graphs trees Statement E1 Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) {2062} PROGRAMMING 1500.0 Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) Editorial
28646 String greedy strings Statement A Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) {2062} PROGRAMMING 500.0 Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) Editorial
212 Permutation Factory flows graph matchings graphs Statement G Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) {2062} PROGRAMMING 4000.0 Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) Editorial
206 Galaxy Generator bitmasks combinatorics dp Statement H Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) {2062} PROGRAMMING 4500.0 Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) Editorial
24279 Clockwork greedy Statement B Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) {2062} PROGRAMMING 1000.0 Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) Editorial
18832 Cirno and Operations brute force constructive algorithms Statement C Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) {2062} PROGRAMMING 1000.0 Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) Editorial
3657 Balanced Tree dfs and similar dp greedy trees Statement D Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) {2062} PROGRAMMING 2000.0 Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) Editorial
2440 Triangle Tree data structures dfs and similar dp dsu greedy trees Statement E Codeforces Round 1000 (Div. 2) {2063} PROGRAMMING 2750.0 Codeforces Round 1000 (Div. 2) — Editorial
23719 Subsequence Update greedy sortings Statement B Codeforces Round 1000 (Div. 2) {2063} PROGRAMMING 1000.0 Codeforces Round 1000 (Div. 2) — Editorial
15392 Remove Exactly Two brute force data structures dp graphs greedy sortings trees Statement C Codeforces Round 1000 (Div. 2) {2063} PROGRAMMING 1500.0 Codeforces Round 1000 (Div. 2) — Editorial
32444 Minimal Coprime math Statement A Codeforces Round 1000 (Div. 2) {2063} PROGRAMMING 500.0 Codeforces Round 1000 (Div. 2) — Editorial
5200 Game With Triangles binary search data structures dp greedy math ternary search two pointers Statement D Codeforces Round 1000 (Div. 2) {2063} PROGRAMMING 2250.0 Codeforces Round 1000 (Div. 2) — Editorial
955 Counting Is Not Fun (Hard Version) combinatorics data structures dfs and similar dsu trees Statement F2 Codeforces Round 1000 (Div. 2) {2063} PROGRAMMING 1500.0 Codeforces Round 1000 (Div. 2) — Editorial
1585 Counting Is Not Fun (Easy Version) combinatorics data structures dfs and similar dsu implementation math Statement F1 Codeforces Round 1000 (Div. 2) {2063} PROGRAMMING 1750.0 Codeforces Round 1000 (Div. 2) — Editorial
739 We Be Summing binary search data structures two pointers Statement F Codeforces Round 1005 (Div. 2) {2064} PROGRAMMING 2750.0 Codeforces Round 1005 (Div. 2) Editorial
20510 Variety is Discouraged constructive algorithms constructive algorithms greedy greedy Statement B Codeforces Round 1005 (Div. 2) {2064} PROGRAMMING 1000.0 Codeforces Round 1005 (Div. 2) Editorial
18277 Remove the Ends brute force constructive algorithms dp greedy Statement C Codeforces Round 1005 (Div. 2) {2064} PROGRAMMING 1250.0 Codeforces Round 1005 (Div. 2) Editorial
1533 Mycraft Sand Sort combinatorics data structures dsu Statement E Codeforces Round 1005 (Div. 2) {2064} PROGRAMMING 2250.0 Codeforces Round 1005 (Div. 2) Editorial
6030 Eating binary search bitmasks data structures greedy two pointers Statement D Codeforces Round 1005 (Div. 2) {2064} PROGRAMMING 1750.0 Codeforces Round 1005 (Div. 2) Editorial
27406 Brogramming Contest greedy strings Statement A Codeforces Round 1005 (Div. 2) {2064} PROGRAMMING 500.0 Codeforces Round 1005 (Div. 2) Editorial
7424 Skibidus and Slay data structures dfs and similar graphs greedy trees Statement F Codeforces Round 1003 (Div. 4) {2065} PROGRAMMING Video Tutorial
21265 Skibidus and Sigma sortings Statement D Codeforces Round 1003 (Div. 4) {2065} PROGRAMMING Video Tutorial
12450 Skibidus and Rizz constructive algorithms greedy Statement E Codeforces Round 1003 (Div. 4) {2065} PROGRAMMING Video Tutorial
43206 Skibidus and Ohio strings Statement B Codeforces Round 1003 (Div. 4) {2065} PROGRAMMING Video Tutorial
19392 Skibidus and Fanum Tax (hard version) binary search greedy Statement C2 Codeforces Round 1003 (Div. 4) {2065} PROGRAMMING Video Tutorial
28573 Skibidus and Fanum Tax (easy version) binary search greedy Statement C1 Codeforces Round 1003 (Div. 4) {2065} PROGRAMMING Video Tutorial
6584 Skibidus and Capping divide and conquer math number theory Statement G Codeforces Round 1003 (Div. 4) {2065} PROGRAMMING Video Tutorial
57270 Skibidus and Amog'u brute force constructive algorithms implementation strings Statement A Codeforces Round 1003 (Div. 4) {2065} PROGRAMMING Video Tutorial
2058 Bro Thinks He's Him combinatorics data structures dp matrices Statement H Codeforces Round 1003 (Div. 4) {2065} PROGRAMMING Video Tutorial
5620 White Magic constructive algorithms greedy implementation Statement B Codeforces Round 1004 (Div. 1) {2066} PROGRAMMING 750.0 139415
469 Tropical Season data structures greedy implementation Statement E Codeforces Round 1004 (Div. 1) {2066} PROGRAMMING 2000.0 139415
7420 Object Identification graphs implementation interactive Statement A Codeforces Round 1004 (Div. 1) {2066} PROGRAMMING 750.0 139415
80 Curse constructive algorithms dp math Statement F Codeforces Round 1004 (Div. 1) {2066} PROGRAMMING 3000.0 139415
671 Club of Young Aircraft Builders (hard version) combinatorics dp math Statement D2 Codeforces Round 1004 (Div. 1) {2066} PROGRAMMING 1250.0 139415
1526 Club of Young Aircraft Builders (easy version) combinatorics dp math Statement D1 Codeforces Round 1004 (Div. 1) {2066} PROGRAMMING 750.0 139415
2588 Bitwise Slides bitmasks combinatorics dp math Statement C Codeforces Round 1004 (Div. 1) {2066} PROGRAMMING 1250.0 139415
19546 Two Large Bags dp greedy sortings Statement B Codeforces Round 1004 (Div. 2) {2067} PROGRAMMING 1000.0
13111 Devyatkino brute force dp greedy math Statement C Codeforces Round 1004 (Div. 2) {2067} PROGRAMMING 1250.0
26046 Adjacent Digit Sums constructive algorithms math Statement A Codeforces Round 1004 (Div. 2) {2067} PROGRAMMING 500.0
154 Urban Planning constructive algorithms Statement B European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
1666 The Ultimate Wine Tasting Event combinatorics greedy Statement J European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
431 Statues constructive algorithms greedy Statement H European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
389 Porto Vs. Benfica data structures dfs and similar dsu graphs shortest paths Statement E European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
72 Pinball graphs shortest paths Statement I European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
276 Morse Code dp greedy sortings trees Statement D European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
1563 Mascot Naming brute force greedy strings Statement F European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
1043 Condorcet Elections constructive algorithms graphs probabilities Statement A European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
79 A Very Long Hike shortest paths Statement G European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
239 Amusement Park Rides flows graphs Statement K European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
1715 Ads binary search greedy two pointers Statement C European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
26815 Was there an Array? brute force greedy Statement A Educational Codeforces Round 174 (Rated for Div. 2) {2069} PROGRAMMING 139774
19256 Set of Strangers greedy matrices Statement B Educational Codeforces Round 174 (Rated for Div. 2) {2069} PROGRAMMING 139774
7261 Palindrome Shuffle binary search greedy hashing strings two pointers Statement D Educational Codeforces Round 174 (Rated for Div. 2) {2069} PROGRAMMING 139774
832 Graph Inclusion data structures divide and conquer dsu Statement F Educational Codeforces Round 174 (Rated for Div. 2) {2069} PROGRAMMING 139774
15407 Beautiful Sequence combinatorics dp greedy Statement C Educational Codeforces Round 174 (Rated for Div. 2) {2069} PROGRAMMING 139774
1967 A, B, AB and BA constructive algorithms greedy sortings strings Statement E Educational Codeforces Round 174 (Rated for Div. 2) {2069} PROGRAMMING 139774
11657 Tree Jumps combinatorics dfs and similar dp trees Statement D Educational Codeforces Round 175 (Rated for Div. 2) {2070} PROGRAMMING Video Tutorial
20105 Robot Program brute force implementation math Statement B Educational Codeforces Round 175 (Rated for Div. 2) {2070} PROGRAMMING Video Tutorial
14368 Limited Repainting binary search greedy Statement C Educational Codeforces Round 175 (Rated for Div. 2) {2070} PROGRAMMING Video Tutorial
1921 Game with Binary String data structures divide and conquer games greedy math Statement E Educational Codeforces Round 175 (Rated for Div. 2) {2070} PROGRAMMING Video Tutorial
383 Friends and Pizza Statement F Educational Codeforces Round 175 (Rated for Div. 2) {2070} PROGRAMMING Video Tutorial
26792 FizzBuzz Remixed brute force math Statement A Educational Codeforces Round 175 (Rated for Div. 2) {2070} PROGRAMMING Video Tutorial
9994 Trapmigiano Reggiano constructive algorithms dfs and similar sortings trees Statement C Codeforces Round 1007 (Div. 2) {2071} PROGRAMMING 1500.0 Codeforces Round 1007 (Div. 2) Editorial