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Problemset

97 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2242E	Product of Closures bitmasks brute force constructive algorithms greedy implementation math number theory	2200	1.4k
2227D	Palindromex binary search brute force constructive algorithms data structures greedy implementation two pointers	1200	13.9k
2195H	Codeforces Heuristic Contest 001 brute force constructive algorithms geometry implementation	2400	509
2158D	Palindrome Flipping brute force constructive algorithms graphs implementation shortest paths strings	2000	3.4k
2154F1	Bombing (Easy Version) brute force combinatorics constructive algorithms implementation math	2700	594
2092B	Lady Bug brute force constructive algorithms implementation math	1000	25.3k
2092D	Mishkin Energizer brute force constructive algorithms greedy implementation strings	1800	7k
2071D2	Infinite Sequence (Hard Version) bitmasks brute force constructive algorithms data structures dp implementation math	2500	1.1k
2065A	Skibidus and Amog'u brute force constructive algorithms greedy implementation strings	800	56.9k
2049B	pspspsps brute force constructive algorithms graph matchings implementation	1300	19.2k
2049C	MEX Cycle brute force constructive algorithms greedy implementation	1500	13.9k
2049E	Broken Queries binary search bitmasks brute force constructive algorithms implementation interactive	2400	1.6k
2035E	Monster binary search brute force constructive algorithms greedy implementation math ternary search	2300	2k
2026C	Action Figures binary search brute force constructive algorithms data structures greedy implementation	1500	12.9k
2022D1	Asesino (Easy Version) binary search brute force constructive algorithms implementation interactive	1900	4.1k
2006F	Dora's Paint brute force combinatorics constructive algorithms graphs implementation	3500	173
2001D	Longest Max Min Subsequence brute force constructive algorithms data structures greedy implementation	1900	6.6k
1999B	Card Game brute force constructive algorithms implementation	1000	42.6k
1998C	Perform Operations to Maximize Score binary search brute force constructive algorithms greedy implementation	1900	7.2k
1995C	Squaring brute force constructive algorithms greedy implementation math number theory	1800	10.4k
1992E	Novice's Mistake brute force constructive algorithms implementation math strings	1700	11k
1981C	Turtle and an Incomplete Sequence bitmasks brute force constructive algorithms greedy implementation math	1800	6.4k
1956D	Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	2000	4.9k
1952J	Help, what does it mean to be "Based" *special brute force constructive algorithms expression parsing implementation sortings	unrated	910
1951E	No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings	2000	4.6k
1948E	Clique Partition brute force constructive algorithms graphs greedy implementation	2100	3.6k
1946D	Birthday Gift bitmasks brute force constructive algorithms greedy implementation	1900	5.7k
1907G	Lights brute force constructive algorithms dfs and similar graphs greedy implementation	2200	2.4k
1879E	Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees	2400	1.6k
1867D	Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation	1800	6.9k
1815B	Sum Graph brute force constructive algorithms graphs implementation interactive shortest paths trees	2000	3.7k
1789D	Serval and Shift-Shift-Shift bitmasks brute force constructive algorithms implementation	2200	2k
1781C	Equal Frequencies brute force constructive algorithms greedy implementation sortings strings	1600	11k
1775A1	Gardener and the Capybaras (easy version) brute force constructive algorithms implementation	800	20.5k
1774D	Same Count One brute force constructive algorithms greedy implementation two pointers	1600	9.4k
1732A	Bestie brute force combinatorics constructive algorithms implementation math number theory	1000	17.8k
1704E	Count Seconds brute force constructive algorithms dp graphs implementation math	2200	2.7k
1697E	Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math	2400	1.5k
1684C	Column Swapping brute force constructive algorithms greedy implementation sortings	1400	13.3k
1660E	Matrix and Shifts brute force constructive algorithms greedy implementation	1600	8.2k
1650D	Twist the Permutation brute force constructive algorithms implementation math	1300	15.3k
1647B	Madoka and the Elegant Gift brute force constructive algorithms graphs implementation	1200	17.2k
1644B	Anti-Fibonacci Permutation brute force constructive algorithms implementation	800	21.4k
1624E	Masha-forgetful brute force constructive algorithms dp hashing implementation strings	2000	4.7k
1606D	Red-Blue Matrix brute force constructive algorithms implementation sortings	2400	1.6k
1571D	Sweepstake *special brute force constructive algorithms implementation math	1800	373
1562B	Scenes From a Memory brute force constructive algorithms implementation math number theory	1000	20.7k
1555C	Coin Rows brute force constructive algorithms dp implementation	1300	24.4k
1494F	Delete The Edges brute force constructive algorithms dfs and similar graphs implementation	2900	531
1492E	Almost Fault-Tolerant Database brute force constructive algorithms dfs and similar greedy implementation	2500	1.3k
1487C	Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math	1500	15.6k
1482C	Basic Diplomacy brute force constructive algorithms greedy implementation	1600	10.1k
1481D	AB Graph brute force constructive algorithms graphs greedy implementation	2000	4.9k
1474C	Array Destruction brute force constructive algorithms data structures greedy implementation sortings	1700	14.3k
1455E	Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search	2400	1.7k
1421D	Hexagons brute force constructive algorithms greedy implementation math shortest paths	1900	4.4k
1419B	Stairs brute force constructive algorithms greedy implementation math	1200	17.1k
1391D	505 bitmasks brute force constructive algorithms dp greedy implementation	2000	5.8k
1374F	Cyclic Shifts Sorting brute force constructive algorithms implementation sortings	2400	1.4k
1343F	Restore the Permutation by Sorted Segments brute force constructive algorithms data structures greedy implementation	2400	1.4k
1333D	Challenges in school №41 brute force constructive algorithms games graphs greedy implementation sortings	2100	4.2k
1316B	String Modification brute force constructive algorithms implementation sortings strings	1400	11.8k
1304B	Longest Palindrome brute force constructive algorithms greedy implementation strings	1100	18.9k
1292B	Aroma's Search brute force constructive algorithms geometry greedy implementation	1700	6.8k
1286F	Harry The Potter brute force constructive algorithms dp fft implementation math	3100	411
1267I	Intriguing Selection brute force constructive algorithms implementation interactive sortings	2600	1.1k
1244D	Paint the Tree brute force constructive algorithms dp graphs implementation trees	1800	8.4k
1228D	Complete Tripartite brute force constructive algorithms graphs hashing implementation	1900	5.5k
1091B	New Year and the Treasure Geolocation brute force constructive algorithms greedy implementation	1200	11k
1004D	Sonya and Matrix brute force constructive algorithms implementation	2300	1.5k
761A	Dasha and Stairs brute force constructive algorithms implementation math	1000	15.2k
754C	Vladik and chat brute force constructive algorithms dp implementation strings	2200	1.1k
753B	Interactive Bulls and Cows (Easy) brute force constructive algorithms implementation	1600	1.5k
732A	Buy a Shovel brute force constructive algorithms implementation math	800	91k
725C	Hidden Word brute force constructive algorithms implementation strings	1600	3k
689A	Mike and Cellphone brute force constructive algorithms implementation	1400	5.5k
645A	Amity Assessment brute force constructive algorithms implementation	1200	3.8k
641C	Little Artem and Dance brute force constructive algorithms implementation	1800	3.2k
637C	Promocodes with Mistakes *special brute force constructive algorithms implementation	1400	2.5k
629A	Far Relative’s Birthday Cake brute force combinatorics constructive algorithms implementation	800	14.9k
581D	Three Logos bitmasks brute force constructive algorithms geometry implementation math	1700	4.9k
551B	ZgukistringZ brute force constructive algorithms implementation strings	1800	4.1k
538D	Weird Chess brute force constructive algorithms implementation	1800	2.5k
496B	Secret Combination brute force constructive algorithms implementation	1500	6.2k
496C	Removing Columns brute force constructive algorithms implementation	1500	8.2k
479B	Towers brute force constructive algorithms greedy implementation sortings	1400	8.5k
467B	Fedor and New Game bitmasks brute force constructive algorithms implementation	1100	43.7k
439C	Devu and Partitioning of the Array brute force constructive algorithms implementation number theory	1700	4.2k
409H	A + B Strikes Back *special brute force constructive algorithms dsu implementation	1500	9.6k
370D	Broken Monitor brute force constructive algorithms greedy implementation	2100	723
305A	Strange Addition brute force constructive algorithms implementation	1600	5.3k
300A	Array brute force constructive algorithms implementation	1100	28k
218A	Mountain Scenery brute force constructive algorithms implementation	1100	10.7k
199A	Hexadecimal's theorem brute force constructive algorithms implementation number theory	900	30.8k
128B	String brute force constructive algorithms hashing implementation string suffix structures strings	2100	2.9k
43D	Journey brute force constructive algorithms implementation	2000	1.3k
14C	Four Segments brute force constructive algorithms geometry implementation math	1700	3.9k

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