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Problemset

3,040 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
2250A	Threshold Movement brute force implementation math	unrated	13.3k
2249A	Rank Subsequence brute force greedy implementation	unrated	7k
2249B	Permutation Cuts combinatorics implementation math	unrated	2.9k
2249C	Double-Rift Dial data structures dfs and similar dsu implementation two pointers	unrated	1k
2249E1	String (Easy Version) divide and conquer implementation strings	unrated	103
2249E2	String (Hard Version) divide and conquer implementation strings	unrated	70
2245D1	Construct an Array (Easy Version) dfs and similar implementation sortings	unrated	3.2k
2245D2	Construct an Array (Hard Version) 2-sat constructive algorithms dfs and similar graphs implementation	unrated	1.7k
2244E	Masha and the Garland data structures dp greedy implementation math number theory strings	unrated	7.6k
2242B	Predominant Frequency Division data structures greedy implementation math	1000	16.1k
2242C	Unstable Elements brute force data structures implementation sortings two pointers	1300	10.5k
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
2239F	Colorful Works dp fft games implementation	3500	194
2236G	Criterion in Burlandia binary search bitmasks brute force data structures dfs and similar divide and conquer implementation trees two pointers	2600	385
2234C	Vessels, Heights and Two Versions (Easy Version) dfs and similar dsu greedy implementation two pointers	1200	12k
2234F	Vessels, Heights and Two Versions (Hard Version) data structures dfs and similar dsu greedy implementation two pointers	1900	2.3k
2233D	Goods on the Shelf brute force data structures implementation two pointers	1900	3.4k
2231C	Chipmunk Theo and Equality implementation sortings	1400	11.8k
2231D	Maximum Prefix Sums constructive algorithms greedy implementation two pointers	1900	3.7k
2230A	Optimal Purchase implementation math	800	23.1k
2230B	Digit String greedy implementation math	1000	17k
2230C	Arrange the Numbers in a Circle constructive algorithms implementation math	1300	11.4k
2230E	Minimum Influence binary search data structures greedy implementation math sortings two pointers	2100	1.5k
2230F	Game on Growing Tree binary search dfs and similar divide and conquer dp games implementation trees	2700	510
2228A	Marisa Steals Reimu's Takeout greedy implementation	800	21.6k
2228B	Remilia Plays Soku games implementation	1100	16.8k
2228C1	Cirno and Number (Easy Version) binary search brute force dp greedy implementation	1500	8k
2228C2	Cirno and Number (Hard Version) binary search dfs and similar dp greedy implementation	1600	6.1k
2228D	Sanae, Cross and Color binary search data structures implementation	1900	2.8k
2228E2	Amanojaku and Sequence (Hard Version) combinatorics data structures implementation math	2500	307
2227A	Koshary implementation math	800	31k
2227D	Palindromex binary search brute force constructive algorithms data structures greedy implementation two pointers	1200	13.9k
2226G	Stop Spot implementation strings trees	3000	192
2222F	Building Tree data structures divide and conquer dsu graphs implementation	2600	716
2219D	MEX Replacement on Tree data structures implementation math trees	2700	533
2218A	The 67th Integer Problem brute force games implementation math	800	41.9k
2218F	The 67th Tree Problem constructive algorithms implementation trees	1500	9k
2218G	The 67th Iteration of "Counting is Fun" implementation math	1800	4.6k
2217B	Flip the Bit (Easy Version) greedy implementation	1000	18.4k
2217D	Flip the Bit (Hard Version) greedy implementation math	1900	3.8k
2215B	RReeppeettiittiioonn binary search brute force implementation math number theory	2000	1.3k
2215D	EXPloration, EXPloitation, and Gain Some EXPerience! bitmasks brute force dp greedy implementation	2800	162
2214A	Odd One Out *special graph matchings implementation	unrated	10.6k
2211A	Antimedian Deletion implementation math	800	17.7k
2210E	Binary Strings are Simple? constructive algorithms implementation interactive number theory	2700	369
2209F	Dynamic Values And Maximum Sum data structures greedy implementation trees	2700	460
2208B	Cyclists brute force games greedy implementation math sortings	1100	15k
2205B	Simons and Cakes for Success implementation math	800	17.5k
2205D	Simons and Beating Peaks data structures divide and conquer dp greedy implementation trees	1700	5.6k
2204A	Passing the Ball brute force implementation	800	23.4k
2202B	ABAB Construction dp greedy implementation	1200	12.5k
2201D	Binary Not Search and Queries data structures greedy implementation	2500	855
2200F	Mooclear Reactor 2 brute force data structures greedy implementation sortings	1900	3.2k
2197B	Array and Permutation implementation schedules sortings two pointers	1100	16.9k
2195B	Heapify 1 implementation sortings	900	26.6k
2195H	Codeforces Heuristic Contest 001 brute force constructive algorithms geometry implementation	2400	509
2194B	Offshores greedy implementation math	1000	19.9k
2194D	Table Cut constructive algorithms greedy implementation	1600	8.6k
2194E	The Turtle Strikes Back dp graphs greedy implementation	2000	2.8k
2193H	Remove the Grail Tree dfs and similar dp graphs greedy implementation trees	2400	1.1k
2190B2	Sub-RBS (Hard Version) dp games implementation strings	1900	3.4k
2190C	Comparable Permutations greedy implementation interactive sortings two pointers	2300	1.4k
2189A	Table with Numbers greedy implementation	800	25k
2189F	Zhora the Vacuum Cleaner data structures dfs and similar dp greedy implementation sortings trees	2800	254
2185C	Shifted MEX implementation sortings	900	30.6k
2185D	OutOfMemoryError data structures implementation math two pointers	1100	21.9k
2185E	The Robotic Rush binary search greedy implementation two pointers	1500	11k
2185F	BattleCows data structures divide and conquer implementation	1700	5.5k
2185G	Mixing MEXes data structures implementation math	1800	3.7k
2183D2	Tree Coloring (Hard Version) combinatorics constructive algorithms data structures dfs and similar greedy implementation trees	2100	2.6k
2182A	New Year String constructive algorithms greedy implementation strings	800	26.2k
2180G	Balance bitmasks combinatorics implementation math	3500	154
2179B	Blackslex and Showering dp greedy implementation	800	29.1k
2179C	Blackslex and Number Theory implementation math number theory sortings	1100	23.2k
2179H	Blackslex and Plants bitmasks data structures dp implementation math	2200	1.4k
2178B	Impost or Sus dp greedy implementation strings	900	22.4k
2178C	First or Second dp greedy implementation	1200	16.5k
2178D	Xmas or Hysteria constructive algorithms greedy implementation math	1700	7k
2176A	Operations with Inversions greedy implementation math	800	29.8k
2176E	Remove at the lowest cost data structures dfs and similar dp dsu greedy implementation trees	2400	1.3k
2175A	Little Fairy's Painting implementation	800	19.4k
2173A	Sleeping Through Classes greedy implementation	800	24.4k
2172A	ASCII Art Contest implementation	800	15.2k
2172E	Number Maze implementation	1200	6.4k
2172K	Kindergarten Homework implementation strings	2100	881
2172L	Maximum Color Segment dp implementation	2300	843
2172N	New Kingdom constructive algorithms graphs implementation	2800	176
2171D	Rae Taylor and Trees (easy version) binary search data structures dp dsu greedy implementation trees	1400	12.3k
2171F	Rae Taylor and Trees (hard version) binary search constructive algorithms data structures dp dsu greedy implementation trees	1600	7.6k
2170A	Maximum Neighborhood bitmasks brute force greedy implementation math	800	20.6k
2170D	Almost Roman constructive algorithms greedy implementation	2200	1.8k
2169A	Alice and Bob greedy implementation	900	20k
2169B	Drifting Away greedy implementation	1100	16.8k
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
2167C	Isamatdin and His Magic Wand! constructive algorithms greedy implementation sortings	800	37.1k
2167D	Yet Another Array Problem brute force implementation math number theory	1000	31.5k
2167E	khba Loves to Sleep! binary search data structures geometry greedy implementation	1600	9.6k
2164D	Copy String greedy implementation strings two pointers	1800	6.2k

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