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Problemset

320 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1455E	Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search	2400	1.7k
1453D	Checkpoints brute force constructive algorithms greedy math probabilities	1900	4.5k
1438E	Yurii Can Do Everything binary search bitmasks brute force constructive algorithms divide and conquer two pointers	2500	1.5k
1437A	Marketing Scheme brute force constructive algorithms greedy math	800	18.5k
1430A	Number of Apartments brute force constructive algorithms math	900	21.9k
1426E	Rock, Paper, Scissors brute force constructive algorithms flows greedy math	1800	8.2k
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
1419D2	Sage's Birthday (hard version) binary search brute force constructive algorithms greedy sortings two pointers	1500	17.6k
1415D	XOR-gun bitmasks brute force constructive algorithms	2000	6.3k
1400C	Binary String Reconstruction 2-sat brute force constructive algorithms greedy	1500	18.6k
1396B	Stoned Game brute force constructive algorithms games greedy	1800	13.2k
1391D	505 bitmasks brute force constructive algorithms dp greedy implementation	2000	5.8k
1383D	Rearrange brute force constructive algorithms graphs greedy sortings	2800	836
1375D	Replace by MEX brute force constructive algorithms sortings	1900	10.2k
1375G	Tree Modification brute force constructive algorithms dfs and similar graph matchings graphs trees	2800	2.3k
1374F	Cyclic Shifts Sorting brute force constructive algorithms implementation sortings	2400	1.4k
1373E	Sum of Digits brute force constructive algorithms dp greedy	2200	3k
1368B	Codeforces Subsequences brute force constructive algorithms greedy math strings	1500	21.7k
1366E	Two Arrays binary search brute force combinatorics constructive algorithms dp two pointers	2100	4.7k
1365E	Maximum Subsequence Value brute force constructive algorithms	1900	8.5k
1364C	Ehab and Prefix MEXs brute force constructive algorithms greedy	1600	14.5k
1360F	Spy-string bitmasks brute force constructive algorithms dp hashing strings	1700	13.7k
1360H	Binary Median binary search bitmasks brute force constructive algorithms	2100	4.9k
1343F	Restore the Permutation by Sorted Segments brute force constructive algorithms data structures greedy implementation	2400	1.4k
1338C	Perfect Triples bitmasks brute force constructive algorithms divide and conquer math	2200	3.5k
1334C	Circle of Monsters brute force constructive algorithms greedy math	1600	18.1k
1333D	Challenges in school №41 brute force constructive algorithms games graphs greedy implementation sortings	2100	4.2k
1333E	Road to 1600 brute force constructive algorithms	2400	1.8k
1332B	Composite Coloring brute force constructive algorithms greedy math number theory	1400	19.3k
1321C	Remove Adjacent brute force constructive algorithms greedy strings	1600	10.6k
1316B	String Modification brute force constructive algorithms implementation sortings strings	1400	11.8k
1311E	Construct the Binary Tree brute force constructive algorithms trees	2200	2.9k
1305A	Kuroni and the Gifts brute force constructive algorithms greedy sortings	800	14.7k
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
1286C1	Madhouse (Easy version) brute force constructive algorithms interactive math	2400	1.6k
1286C2	Madhouse (Hard version) brute force constructive algorithms hashing interactive math	2800	767
1286F	Harry The Potter brute force constructive algorithms dp fft implementation math	3100	411
1285E	Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers	2300	2k
1276C	Beautiful Rectangle brute force combinatorics constructive algorithms data structures greedy math	2300	1.8k
1267I	Intriguing Selection brute force constructive algorithms implementation interactive sortings	2600	1.1k
1264B	Beautiful Sequence brute force constructive algorithms greedy	1900	6.1k
1250B	The Feast and the Bus brute force constructive algorithms greedy math	1800	2.8k
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
1213E	Two Small Strings brute force constructive algorithms	1900	5.5k
1196A	Three Piles of Candies brute force constructive algorithms math	800	29.3k
1196F	K-th Path brute force constructive algorithms shortest paths sortings	2200	3.3k
1178E	Archaeology brute force constructive algorithms greedy strings	1900	4.5k
1166E	The LCMs Must be Large bitmasks brute force constructive algorithms math number theory	2100	3k
1163E	Magical Permutation bitmasks brute force constructive algorithms data structures graphs math	2400	1.1k
1157G	Inverse of Rows and Columns brute force constructive algorithms	2200	1k
1151B	Dima and a Bad XOR bitmasks brute force constructive algorithms dp	1600	13.1k
1098B	Nice table brute force constructive algorithms greedy math	2100	1.8k
1091B	New Year and the Treasure Geolocation brute force constructive algorithms greedy implementation	1200	11k
1088A	Ehab and another construction problem brute force constructive algorithms	800	17.7k
1034B	Little C Loves 3 II brute force constructive algorithms flows graph matchings	2200	2.3k
1009D	Relatively Prime Graph brute force constructive algorithms graphs greedy math	1700	6.7k
1004D	Sonya and Matrix brute force constructive algorithms implementation	2300	1.5k
982A	Row brute force constructive algorithms	1200	9.8k
938C	Constructing Tests binary search brute force constructive algorithms	1700	3.5k
932C	Permutation Cycle brute force constructive algorithms	1600	4.3k
911C	Three Garlands brute force constructive algorithms	1400	7.4k
906B	Seating of Students brute force constructive algorithms math	2200	1.3k
868C	Qualification Rounds bitmasks brute force constructive algorithms dp	1500	5.1k
856A	Set Theory brute force constructive algorithms	1600	1.6k
854A	Fraction brute force constructive algorithms math	800	14.7k
831C	Jury Marks brute force constructive algorithms	1700	5.7k
815B	Karen and Test brute force combinatorics constructive algorithms math	2200	1.7k
798A	Mike and palindrome brute force constructive algorithms strings	1000	24.1k
761A	Dasha and Stairs brute force constructive algorithms implementation math	1000	15.2k
761D	Dasha and Very Difficult Problem binary search brute force constructive algorithms greedy sortings	1700	4.2k
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
753C	Interactive Bulls and Cows (Hard) brute force constructive algorithms interactive	2500	473
749B	Parallelogram is Back brute force constructive algorithms geometry	1200	9k
743C	Vladik and fractions brute force constructive algorithms math number theory	1500	13.6k
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
675B	Restoring Painting brute force constructive algorithms math	1400	7.8k
670A	Holidays brute force constructive algorithms greedy math	900	18.8k
670F	Restore a Number brute force constructive algorithms strings	2300	940
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
633B	A Trivial Problem brute force constructive algorithms math number theory	1300	7.3k
632B	Alice, Bob, Two Teams brute force constructive algorithms	1400	4.4k
629A	Far Relative’s Birthday Cake brute force combinatorics constructive algorithms implementation	800	14.9k
621D	Rat Kwesh and Cheese brute force constructive algorithms math	2400	1.1k
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
488B	Candy Boxes brute force constructive algorithms math	1900	2.3k
479B	Towers brute force constructive algorithms greedy implementation sortings	1400	8.5k
475C	Kamal-ol-molk's Painting brute force constructive algorithms greedy	2100	856
467B	Fedor and New Game bitmasks brute force constructive algorithms implementation	1100	43.7k

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