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Problemset

3,040 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1550C	Manhattan Subarrays brute force geometry greedy implementation	1700	10.9k
1550D	Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers	2300	2.1k
1549B	Gregor and the Pawn Game dfs and similar dp flows graph matchings graphs greedy implementation	800	27.2k
1547A	Shortest Path with Obstacle implementation math	800	32.5k
1547B	Alphabetical Strings greedy implementation strings	800	28.1k
1547E	Air Conditioners data structures dp implementation shortest paths sortings two pointers	1500	16.6k
1543C	Need for Pink Slips bitmasks brute force dfs and similar implementation math probabilities	1900	5.7k
1542D	Priority Queue combinatorics dp implementation math ternary search	2200	3k
1541A	Pretty Permutations constructive algorithms greedy implementation	800	30.9k
1541B	Pleasant Pairs brute force implementation math number theory	1200	40.3k
1539B	Love Song dp implementation strings	800	26.9k
1539D	PriceFixed binary search greedy implementation sortings two pointers	1600	12.9k
1539E	Game with Cards binary search constructive algorithms data structures dp greedy implementation	2500	1.1k
1538E	Funny Substrings data structures hashing implementation matrices strings	2100	3.3k
1537C	Challenging Cliffs constructive algorithms greedy implementation math	1200	30.7k
1537E1	Erase and Extend (Easy Version) binary search brute force dp greedy hashing implementation string suffix structures strings two pointers	1600	16.9k
1536D	Omkar and Medians data structures greedy implementation	2000	5.2k
1535A	Fair Playoff brute force implementation	800	58.1k
1535C	Unstable String binary search dp greedy implementation strings two pointers	1400	17.9k
1535D	Playoff Tournament data structures dfs and similar dp implementation trees	1800	8.6k
1535F	String Distance binary search brute force data structures hashing implementation strings	3000	701
1534A	Colour the Flag brute force implementation	800	13.3k
1534B	Histogram Ugliness greedy implementation math	1100	13k
1533A	Travel to Bertown *special implementation math	unrated	1.1k
1533B	Nearest Point Function *special implementation	unrated	816
1533C	Sweets *special data structures implementation	unrated	484
1532C	Uniform String *special implementation	unrated	642
1531A	Зингер \| color *special implementation	unrated	1.5k
1530B	Putting Plates constructive algorithms implementation	800	16.3k
1527C	Sequence Pair Weight hashing implementation math	1600	15.3k
1527D	MEX Tree combinatorics dfs and similar implementation math trees	2400	2.3k
1525C	Robot Collisions data structures greedy implementation sortings	2000	5k
1523A	Game of Life implementation	800	14.1k
1523C	Compression and Expansion brute force data structures greedy implementation trees	1600	9.2k
1521D	Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees	2500	2.4k
1520A	Do Not Be Distracted! brute force implementation	800	59.3k
1520G	To Go Or Not To Go? brute force dfs and similar graphs greedy implementation shortest paths	2200	4.4k
1519D	Maximum Sum of Products brute force dp implementation math two pointers	1600	17.9k
1517C	Fillomino 2 constructive algorithms dfs and similar greedy implementation	1400	14.3k
1517E	Group Photo binary search data structures implementation two pointers	2500	1.1k
1514D	Cut and Stick binary search data structures greedy implementation sortings	2000	5.1k
1513A	Array and Peaks constructive algorithms implementation	800	20.1k
1512A	Spy Detected! brute force implementation	800	82.4k
1512B	Almost Rectangle implementation	800	26.7k
1512C	A-B Palindrome constructive algorithms implementation strings	1200	22k
1512F	Education brute force dp greedy implementation	1900	6.9k
1511C	Yet Another Card Deck brute force data structures implementation trees	1100	34.4k
1510K	King's Task brute force graphs implementation	1200	6.1k
1508A	Binary Literature constructive algorithms greedy implementation strings two pointers	1900	6.7k
1508B	Almost Sorted binary search combinatorics constructive algorithms implementation	1800	4.5k
1506B	Partial Replacement greedy implementation	1100	21.3k
1506C	Double-ended Strings brute force implementation strings	1000	37.6k
1506E	Restoring the Permutation constructive algorithms implementation	1500	14.3k
1505A	Is it rated - 2 *special implementation interactive	900	16.2k
1505B	DMCA *special implementation number theory	1600	6.6k
1505C	Fibonacci Words *special implementation	1400	6.7k
1505E	Cakewalk *special greedy implementation shortest paths	1800	1.9k
1505G	Encoded message *special implementation	2600	369
1504B	Flip the Bits constructive algorithms greedy implementation math	1200	27.1k
1503F	Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation	3500	239
1501A	Alexey and Train implementation	800	12.4k
1501B	Napoleon Cake dp implementation sortings	900	21.3k
1500A	Going Home brute force hashing implementation math	1800	9.6k
1499B	Binary Removals brute force dp greedy implementation	1000	22.1k
1498D	Bananas in a Microwave dfs and similar dp graphs implementation	2200	2.5k
1495E	Qingshan and Daniel brute force data structures greedy implementation	3200	548
1494A	ABC String bitmasks brute force implementation	900	23k
1494B	Berland Crossword bitmasks brute force greedy implementation	1400	15.4k
1494C	1D Sokoban binary search dp greedy implementation two pointers	1900	5.8k
1494F	Delete The Edges brute force constructive algorithms dfs and similar graphs implementation	2900	531
1493B	Planet Lapituletti brute force implementation	1300	12.6k
1493D	GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers	2100	5.9k
1492E	Almost Fault-Tolerant Database brute force constructive algorithms dfs and similar greedy implementation	2500	1.3k
1491A	K-th Largest Value brute force greedy implementation	800	19.1k
1491C	Pekora and Trampoline brute force data structures dp greedy implementation	1700	8.4k
1490D	Permutation Transformation dfs and similar divide and conquer implementation	1200	22k
1487A	Arena implementation sortings	800	27.7k
1487C	Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math	1500	15.6k
1487E	Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers	2000	5.2k
1486A	Shifting Stacks greedy implementation	900	27.2k
1485B	Replace and Keep Sorted dp implementation math	1200	18k
1482B	Restore Modulo implementation math	1500	9.7k
1482C	Basic Diplomacy brute force constructive algorithms greedy implementation	1600	10.1k
1482D	Playlist data structures dsu implementation shortest paths	1900	4.1k
1481B	New Colony brute force greedy implementation	1100	20k
1481D	AB Graph brute force constructive algorithms graphs greedy implementation	2000	4.9k
1480B	The Great Hero greedy implementation sortings	900	18k
1479B1	Painting the Array I constructive algorithms data structures dp greedy implementation	1900	7.5k
1479B2	Painting the Array II constructive algorithms data structures dp greedy implementation	2100	4.5k
1478C	Nezzar and Symmetric Array implementation math sortings	1700	10.7k
1476D	Journey dfs and similar dp dsu implementation	1700	9.3k
1474C	Array Destruction brute force constructive algorithms data structures greedy implementation sortings	1700	14.3k
1473A	Replacing Elements greedy implementation math sortings	800	37.8k
1473D	Program data structures dp implementation strings	1700	11.1k
1471B	Strange List brute force greedy implementation math	1100	20k
1470E	Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers	3200	981
1469C	Building a Fence dp greedy implementation two pointers	1600	11.8k
1468C	Berpizza data structures implementation	1400	11.5k
1468I	Plane Tiling geometry implementation math	2500	651
1468K	The Robot brute force implementation	1600	5.6k

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