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Problemset

112 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2244E	Masha and the Garland data structures dp greedy implementation math number theory strings	unrated	7.6k
2242E	Product of Closures bitmasks brute force constructive algorithms greedy implementation math number theory	2200	1.4k
2241G	Summmon binary search data structures greedy implementation math number theory	2400	831
2215B	RReeppeettiittiioonn binary search brute force implementation math number theory	2000	1.3k
2210E	Binary Strings are Simple? constructive algorithms implementation interactive number theory	2700	369
2179C	Blackslex and Number Theory implementation math number theory sortings	1100	23.2k
2169D1	Removal of a Sequence (Easy Version) binary search implementation math number theory	1500	9k
2169D2	Removal of a Sequence (Hard Version) binary search divide and conquer greedy implementation math number theory	2100	2.4k
2167D	Yet Another Array Problem brute force implementation math number theory	1000	31.5k
2154C1	No Cost Too Great (Easy Version) greedy implementation math number theory	1400	14.2k
2118D1	Red Light, Green Light (Easy version) brute force dfs and similar dp graphs implementation number theory	1700	8.6k
2118D2	Red Light, Green Light (Hard version) binary search brute force data structures dfs and similar dp graphs implementation math number theory	2200	2.6k
2097C	Bermuda Triangle chinese remainder theorem geometry implementation math number theory	2400	1k
2048A	Kevin and Combination Lock brute force greedy implementation math number theory	800	23k
2044E	Insane Problem binary search greedy implementation math number theory	1300	18.6k
2032A	Circuit greedy implementation math number theory	800	24.9k
2005D	Alter the GCD binary search brute force data structures divide and conquer implementation number theory	2400	1.3k
1995C	Squaring brute force constructive algorithms greedy implementation math number theory	1800	10.4k
1982B	Collatz Conjecture brute force implementation math number theory	1200	20k
1982D	Beauty of the mountains brute force data structures implementation math number theory	1700	10.2k
1980D	GCD-sequence greedy implementation math number theory	1400	17.7k
1973F	Maximum GCD Sum Queries bitmasks brute force dp implementation number theory	3100	345
1955G	GCD on a grid brute force dfs and similar dp implementation math number theory	1900	6.1k
1954E	Chain Reaction binary search data structures dsu greedy implementation math number theory	2200	3k
1950D	Product of Binary Decimals brute force dp implementation number theory	1100	26.7k
1950E	Nearly Shortest Repeating Substring brute force implementation number theory strings	1500	17.7k
1933B	Turtle Math: Fast Three Task implementation math number theory	800	37k
1933C	Turtle Fingers: Count the Values of k brute force implementation math number theory	1100	25.7k
1932E	Final Countdown implementation math number theory	1600	10.4k
1926E	Vlad and an Odd Ordering binary search bitmasks data structures dp implementation math number theory	1500	15.2k
1917D	Yet Another Inversions Problem combinatorics data structures dp implementation math number theory	2300	2.1k
1916A	2023 constructive algorithms implementation math number theory	800	28.5k
1899B	250 Thousand Tons of TNT brute force implementation number theory	1100	35.4k
1850F	We Were Both Children brute force implementation math number theory	1300	25.4k
1848E	Vika and Stone Skipping brute force implementation math number theory	2600	981
1845A	Forbidden Integer constructive algorithms implementation math number theory	800	51.1k
1844G	Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees	3000	1.2k
1834E	MEX of LCM binary search data structures implementation math number theory	2300	2.9k
1789E	Serval and Music Game brute force dp implementation math number theory	2500	1k
1763D	Valid Bitonic Permutations combinatorics dp implementation math number theory	2200	2.4k
1762B	Make Array Good constructive algorithms implementation number theory sortings	1100	18.7k
1732A	Bestie brute force combinatorics constructive algorithms implementation math number theory	1000	17.8k
1732D1	Balance (Easy version) brute force data structures implementation number theory	1500	10k
1718B	Fibonacci Strings greedy implementation math number theory	2000	3.5k
1658E	Gojou and Matrix Game data structures dp games hashing implementation math number theory sortings	2500	1.3k
1617E	Christmas Chocolates dfs and similar dp games graphs implementation math number theory shortest paths trees	2700	1.1k
1609A	Divide and Multiply greedy implementation math number theory	900	19.1k
1609C	Complex Market Analysis binary search dp implementation number theory schedules two pointers	1400	10.5k
1605E	Array Equalizer binary search greedy implementation math number theory sortings two pointers	2400	1.2k
1592D	Hemose in ICPC ? binary search dfs and similar implementation interactive math number theory trees	2300	2.7k
1562B	Scenes From a Memory brute force constructive algorithms implementation math number theory	1000	20.7k
1541B	Pleasant Pairs brute force implementation math number theory	1200	40.3k
1505B	DMCA *special implementation number theory	1600	6.6k
1493D	GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers	2100	5.9k
1419E	Decryption constructive algorithms implementation math number theory	2100	3.5k
1401D	Maximum Distributed Tree dfs and similar dp greedy implementation math number theory sortings trees	1800	10.7k
1370A	Maximum GCD greedy implementation math number theory	800	66.6k
1333F	Kate and imperfection greedy implementation math number theory sortings two pointers	2200	4.6k
1324A	Yet Another Tetris Problem implementation number theory	900	27.5k
1312C	Adding Powers bitmasks greedy implementation math number theory ternary search	1400	18.5k
1209B	Koala and Lights implementation math number theory	1300	8.6k
1200F	Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory	2300	1.2k
1114C	Trailing Loves (or L'oeufs?) brute force implementation math number theory	1700	8k
1107D	Compression dp implementation math number theory	1800	3.9k
1098E	Fedya the Potter binary search implementation math number theory	3400	372
1076B	Divisor Subtraction implementation math number theory	1200	14.8k
1061C	Multiplicity data structures dp implementation math number theory	1700	11k
919B	Perfect Number binary search brute force dp implementation number theory	1100	32k
898B	Proper Nutrition brute force implementation number theory	1100	10.8k
876B	Divisiblity of Differences implementation math number theory	1300	10.4k
850B	Arpa and a list of numbers implementation number theory	2100	2.2k
830C	Bamboo Partition brute force data structures implementation math number theory sortings two pointers	2300	1.3k
822A	I'm bored with life implementation math number theory	800	37.4k
817A	Treasure Hunt implementation math number theory	1200	6.9k
797A	k-Factorization implementation math number theory	1100	20.5k
763C	Timofey and remoduling brute force implementation math number theory	2600	816
758B	Blown Garland brute force implementation number theory	1100	10.8k
749A	Bachgold Problem greedy implementation math number theory	800	58.1k
742A	Arpa’s hard exam and Mehrdad’s naive cheat implementation math number theory	1000	53.3k
731F	Video Cards brute force data structures implementation math number theory	1900	3.2k
724C	Ray Tracing greedy hashing implementation math number theory sortings	1800	2.3k
722F	Cyclic Cipher chinese remainder theorem data structures implementation number theory two pointers	2800	639
678C	Joty and Chocolate implementation math number theory	1600	11.2k
660A	Co-prime Array greedy implementation math number theory	1200	10.6k
616E	Sum of Remainders implementation math number theory	2200	3.7k
577A	Multiplication Table implementation number theory	1000	46.2k
573A	Bear and Poker implementation math number theory	1300	18.8k
568A	Primes or Palindromes? brute force implementation math number theory	1600	5.4k
551D	GukiZ and Binary Operations combinatorics implementation math matrices number theory	2100	2.1k
519C	A and B and Team Training greedy implementation math number theory	1300	20.8k
483A	Counterexample brute force implementation math number theory	1100	25.1k
460B	Little Dima and Equation brute force implementation math number theory	1500	13.5k
448E	Divisors brute force dfs and similar implementation number theory	2200	2k
439C	Devu and Partitioning of the Array brute force constructive algorithms implementation number theory	1700	4.2k
385C	Bear and Prime Numbers binary search brute force data structures dp implementation math number theory	1700	10.8k
353C	Find Maximum implementation math number theory	1600	5.3k
336C	Vasily the Bear and Sequence brute force greedy implementation number theory	1800	2.7k
313A	Ilya and Bank Account implementation number theory	900	66.2k
294D	Shaass and Painter Robot brute force implementation number theory	2500	413
284A	Cows and Primitive Roots implementation math number theory	1400	7.4k

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