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Problemset

261 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1793C	Dora and Search constructive algorithms data structures two pointers	1200	35.2k
1793E	Velepin and Marketing binary search data structures dp greedy sortings two pointers	2600	1.4k
1787I	Treasure Hunt data structures divide and conquer two pointers	3400	424
1781E	Rectangle Shrinking binary search brute force data structures greedy implementation two pointers	2300	1.5k
1766E	Decomposition binary search brute force data structures divide and conquer dp two pointers	2300	1.5k
1736C1	Good Subarrays (Easy Version) binary search data structures schedules two pointers	1300	16.6k
1736C2	Good Subarrays (Hard Version) binary search data structures dp two pointers	2400	1.5k
1734D	Slime Escape data structures dp greedy two pointers	1800	7.1k
1731D	Valiant's New Map binary search brute force data structures dp two pointers	1700	8.7k
1719C	Fighting Tournament binary search data structures implementation two pointers	1400	14.5k
1712E2	LCM Sum (hard version) brute force data structures math number theory two pointers	2500	1.7k
1706D2	Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers	2400	2k
1701D	Permutation Restoration binary search data structures greedy math sortings two pointers	1900	6.3k
1699E	Three Days Grace data structures dp greedy math number theory two pointers	2600	1.4k
1697C	awoo's Favorite Problem binary search constructive algorithms data structures greedy implementation strings two pointers	1400	15.9k
1692G	2^Sort data structures dp sortings two pointers	1400	27.8k
1691D	Max GEQ Sum binary search constructive algorithms data structures divide and conquer implementation two pointers	1800	7.7k
1684E	MEX vs DIFF binary search brute force constructive algorithms data structures greedy two pointers	2100	3.7k
1684F	Diverse Segments data structures two pointers	2600	1.2k
1682F	MCMF? data structures flows graphs greedy sortings two pointers	2700	471
1676F	Longest Strike data structures greedy implementation sortings two pointers	1300	20.6k
1669F	Eating Candies binary search data structures greedy two pointers	1100	42.1k
1665E	MinimizOR bitmasks brute force data structures divide and conquer greedy implementation two pointers	2500	1.9k
1659D	Reverse Sort Sum constructive algorithms data structures greedy implementation math two pointers	1900	4.5k
1656B	Subtract Operation data structures greedy math two pointers	1100	28.3k
1638F	Two Posters brute force data structures greedy two pointers	3200	277
1632D	New Year Concert binary search data structures greedy math number theory two pointers	2000	5.4k
1630B	Range and Partition binary search constructive algorithms data structures greedy two pointers	1800	6.5k
1627E	Not Escaping data structures dp implementation shortest paths two pointers	2200	2.9k
1626C	Monsters And Spells binary search data structures dp greedy implementation math two pointers	1700	12k
1619H	Permutation and Queries brute force data structures divide and conquer two pointers	2400	1.5k
1611F	ATM and Students binary search data structures two pointers	1800	7.5k
1609F	Interesting Sections data structures divide and conquer meet-in-the-middle two pointers	2800	1.1k
1608C	Game Master data structures dfs and similar dp graphs greedy two pointers	1700	7.4k
1601B	Frog Traveler data structures dfs and similar dp graphs shortest paths two pointers	1900	5.6k
1598C	Delete Two Elements data structures dp implementation math two pointers	1200	23.9k
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
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
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
1548B	Integers Have Friends binary search data structures divide and conquer math number theory two pointers	1800	11.6k
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
1538C	Number of Pairs binary search data structures math two pointers	1300	35.6k
1537E2	Erase and Extend (Hard Version) binary search data structures greedy hashing string suffix structures strings two pointers	2200	6.4k
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
1511G	Chips on a Board bitmasks brute force data structures dp games two pointers	2700	988
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
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
1493D	GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers	2100	5.9k
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
1472E	Correct Placement binary search data structures dp sortings two pointers	1700	9.1k
1470E	Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers	3200	981
1454F	Array Partition binary search data structures greedy two pointers	2100	4.8k
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
1436E	Complicated Computations binary search data structures two pointers	2400	2.9k
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
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
1408D	Searchlights binary search brute force data structures dp implementation sortings two pointers	2000	4.7k
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
1398F	Controversial Rounds binary search data structures dp greedy two pointers	2500	1.5k
1396D	Rainbow Rectangles data structures sortings two pointers	3300	351
1381A2	Prefix Flip (Hard Version) constructive algorithms data structures implementation strings two pointers	1700	14.5k
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
1374E2	Reading Books (hard version) data structures greedy implementation sortings ternary search two pointers	2500	1.1k
1367F2	Flying Sort (Hard Version) binary search data structures dp greedy sortings two pointers	2400	2k
1364A	XXXXX brute force data structures number theory two pointers	1200	31.9k
1359D	Yet Another Yet Another Task data structures dp implementation two pointers	2000	10.9k
1343D	Constant Palindrome Sum brute force data structures greedy two pointers	1700	13.6k
1342D	Multiple Testcases binary search constructive algorithms data structures greedy sortings two pointers	1900	6.4k
1335E1	Three Blocks Palindrome (easy version) binary search brute force data structures dp two pointers	1700	11.8k
1335E2	Three Blocks Palindrome (hard version) brute force data structures dp two pointers	1800	9.5k
1333C	Eugene and an array binary search data structures implementation two pointers	1700	13.7k
1327F	AND Segments bitmasks combinatorics data structures dp two pointers	2500	2.1k
1326E	Bombs data structures two pointers	2400	2.6k
1324D	Pair of Topics binary search data structures sortings two pointers	1400	35k
1313E	Concatenation with intersection data structures hashing strings two pointers	2700	778
1290B	Irreducible Anagrams binary search constructive algorithms data structures strings two pointers	1800	7.4k
1285E	Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers	2300	2k
1266D	Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers	2000	3.9k
1265B	Beautiful Numbers data structures implementation math two pointers	1300	13.7k
1257D	Yet Another Monster Killing Problem binary search data structures dp greedy sortings two pointers	1700	8.2k
1237B	Balanced Tunnel data structures sortings two pointers	1300	24.1k
1209G1	Into Blocks (easy version) data structures dsu greedy implementation two pointers	2000	4.1k
1200D	White Lines brute force data structures dp implementation two pointers	1900	4.4k

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