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Problemset

648 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1601B	Frog Traveler data structures dfs and similar dp graphs shortest paths two pointers	1900	5.6k
1600E	Array Game games greedy two pointers	1900	2.4k
1599A	Weights constructive algorithms greedy two pointers	2600	916
1598C	Delete Two Elements data structures dp implementation math two pointers	1200	23.9k
1592E	Bored Bakry bitmasks greedy math two pointers	2400	2k
1588F	Jumping Through the Array binary search data structures graphs two pointers	3500	359
1582C	Grandma Capa Knits a Scarf brute force data structures greedy strings two pointers	1200	25.2k
1582F2	Korney Korneevich and XOR (hard version) binary search brute force dp greedy two pointers	2400	2.2k
1572B	Xor of 3 brute force constructive algorithms greedy two pointers	2500	2k
1569D	Inconvenient Pairs binary search data structures implementation sortings two pointers	1900	4.6k
1566D2	Seating Arrangements (hard version) data structures greedy implementation sortings two pointers	1600	8.4k
1559D2	Mocha and Diana (Hard Version) brute force constructive algorithms dfs and similar dsu graphs greedy trees two pointers	2500	3.2k
1558B	Up the Strip brute force dp math number theory two pointers	1900	5.3k
1556G	Gates to Another World bitmasks data structures dsu two pointers	3300	471
1555E	Boring Segments data structures sortings trees two pointers	2100	4.7k
1553D	Backspace dp greedy strings two pointers	1500	15.3k
1550D	Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers	2300	2.1k
1550E	Stringforces binary search bitmasks brute force dp strings two pointers	2500	1.9k
1548B	Integers Have Friends binary search data structures divide and conquer math number theory two pointers	1800	11.6k
1547C	Pair Programming greedy two pointers	1100	24.6k
1547E	Air Conditioners data structures dp implementation shortest paths sortings two pointers	1500	16.6k
1547F	Array Stabilization (GCD version) binary search brute force data structures divide and conquer number theory two pointers	1900	7.2k
1539D	PriceFixed binary search greedy implementation sortings two pointers	1600	12.9k
1538C	Number of Pairs binary search data structures math two pointers	1300	35.6k
1537E1	Erase and Extend (Easy Version) binary search brute force dp greedy hashing implementation string suffix structures strings two pointers	1600	16.9k
1537E2	Erase and Extend (Hard Version) binary search data structures greedy hashing string suffix structures strings two pointers	2200	6.4k
1535C	Unstable String binary search dp greedy implementation strings two pointers	1400	17.9k
1525E	Assimilation IV combinatorics dp math probabilities two pointers	2100	2.5k
1519D	Maximum Sum of Products brute force dp implementation math two pointers	1600	17.9k
1517E	Group Photo binary search data structures implementation two pointers	2500	1.1k
1516D	Cut binary search data structures dp graphs number theory two pointers	2100	5.3k
1515D	Phoenix and Socks greedy sortings two pointers	1500	12.9k
1514E	Baby Ehab's Hyper Apartment binary search graphs interactive sortings two pointers	2700	712
1511G	Chips on a Board bitmasks brute force data structures dp games two pointers	2700	988
1508A	Binary Literature constructive algorithms greedy implementation strings two pointers	1900	6.7k
1503C	Travelling Salesman Problem binary search data structures dp greedy shortest paths sortings two pointers	2200	3.9k
1503D	Flip the Cards 2-sat constructive algorithms data structures greedy sortings two pointers	2600	1.3k
1500C	Matrix Sorting bitmasks brute force constructive algorithms greedy two pointers	2600	983
1500D	Tiles for Bathroom data structures sortings two pointers	2900	640
1497E1	Square-Free Division (easy version) data structures dp greedy math number theory two pointers	1700	9.2k
1497E2	Square-Free Division (hard version) data structures dp greedy math number theory two pointers	2500	2k
1494C	1D Sokoban binary search dp greedy implementation two pointers	1900	5.8k
1493D	GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers	2100	5.9k
1493E	Enormous XOR bitmasks constructive algorithms greedy math strings two pointers	2600	1.1k
1492C	Maximum width binary search data structures dp greedy two pointers	1500	17.6k
1487E	Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers	2000	5.2k
1476G	Minimum Difference data structures hashing sortings two pointers	3100	871
1475D	Cleaning the Phone binary search dp sortings two pointers	1800	11.3k
1472E	Correct Placement binary search data structures dp sortings two pointers	1700	9.1k
1470A	Strange Birthday Party binary search dp greedy sortings two pointers	1300	30.7k
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
1469E	A Bit Similar bitmasks brute force hashing string suffix structures strings two pointers	2400	2.2k
1463D	Pairs binary search constructive algorithms greedy two pointers	1900	4.9k
1462A	Favorite Sequence implementation two pointers	800	49.9k
1462E1	Close Tuples (easy version) binary search combinatorics math sortings two pointers	1500	15.4k
1462E2	Close Tuples (hard version) binary search combinatorics implementation math sortings two pointers	1700	11.6k
1454F	Array Partition binary search data structures greedy two pointers	2100	4.8k
1452E	Two Editorials brute force dp greedy sortings two pointers	2500	1.8k
1450D	Rating Compression binary search data structures greedy implementation two pointers	1800	5.9k
1446D2	Frequency Problem (Hard Version) data structures greedy two pointers	3000	1.9k
1443E	Long Permutation brute force math two pointers	2400	1.6k
1438E	Yurii Can Do Everything binary search bitmasks brute force constructive algorithms divide and conquer two pointers	2500	1.5k
1437F	Emotional Fishermen combinatorics dp math two pointers	2600	1.7k
1436E	Complicated Computations binary search data structures two pointers	2400	2.9k
1431B	Polycarp and the Language of Gods *special implementation two pointers	1400	1.1k
1431H	Rogue-like Game *special brute force greedy two pointers	2600	82
1430D	String Deletion binary search data structures greedy two pointers	1700	9.4k
1428F	Fruit Sequences binary search data structures divide and conquer dp two pointers	2400	2.6k
1423K	Lonely Numbers binary search math number theory two pointers	1600	5.5k
1419D2	Sage's Birthday (hard version) binary search brute force constructive algorithms greedy sortings two pointers	1500	17.6k
1418F	Equal Product data structures math number theory two pointers	3000	518
1418G	Three Occurrences data structures divide and conquer hashing two pointers	2500	2.9k
1416A	k-Amazing Numbers binary search data structures implementation two pointers	1500	17.4k
1413C	Perform Easily binary search brute force dp implementation sortings two pointers	1900	6.3k
1409E	Two Platforms binary search dp sortings two pointers	1800	8.5k
1408C	Discrete Acceleration binary search dp implementation math two pointers	1500	9.3k
1408D	Searchlights binary search brute force data structures dp implementation sortings two pointers	2000	4.7k
1407C	Chocolate Bunny constructive algorithms interactive math two pointers	1600	15.3k
1404C	Fixed Point Removal binary search constructive algorithms data structures greedy two pointers	2300	3.1k
1403A	The Potion of Great Power *special 2-sat binary search data structures graphs interactive sortings two pointers	2400	359
1400D	Zigzags brute force combinatorics data structures math two pointers	1900	11.5k
1400G	Mercenaries bitmasks brute force combinatorics dp dsu math two pointers	2600	1.2k
1399C	Boats Competition brute force greedy two pointers	1200	33.2k
1399E2	Weights Division (hard version) binary search dfs and similar greedy sortings trees two pointers	2200	2.6k
1398F	Controversial Rounds binary search data structures dp greedy two pointers	2500	1.5k
1396D	Rainbow Rectangles data structures sortings two pointers	3300	351
1394A	Boboniu Chats with Du dp greedy sortings two pointers	1800	7.2k
1393E2	Twilight and Ancient Scroll (harder version) dp hashing implementation string suffix structures strings two pointers	3200	521
1389C	Good String brute force dp greedy two pointers	1500	20.8k
1383A	String Transformation 1 dsu graphs greedy sortings strings trees two pointers	1700	11.4k
1381A2	Prefix Flip (Hard Version) constructive algorithms data structures implementation strings two pointers	1700	14.5k
1381C	Mastermind constructive algorithms graph matchings greedy implementation sortings two pointers	2500	1.7k
1381D	The Majestic Brown Tree Snake dfs and similar dp greedy trees two pointers	3000	832
1380D	Berserk And Fireball constructive algorithms greedy implementation math two pointers	2000	5.1k
1379C	Choosing flowers binary search brute force data structures dfs and similar dp greedy sortings two pointers	2000	6.2k
1379D	New Passenger Trams binary search brute force data structures sortings two pointers	2300	1.2k
1374D	Zero Remainder Array math sortings two pointers	1400	32.3k
1374E2	Reading Books (hard version) data structures greedy implementation sortings ternary search two pointers	2500	1.1k
1372E	Omkar and Last Floor dp greedy two pointers	2900	1.5k

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