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Problemset

1,984 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1659E	AND-MEX Walk bitmasks brute force constructive algorithms dfs and similar dsu graphs	2200	2k
1658D2	388535 (Hard Version) bitmasks brute force data structures math	2300	3.2k
1658F	Juju and Binary String brute force constructive algorithms greedy math	2700	1k
1657A	Integer Moves brute force math	800	25k
1657D	For Gamers. By Gamers. binary search brute force greedy math sortings	2000	5.4k
1654A	Maximum Cake Tastiness brute force greedy implementation sortings	800	19.4k
1654E	Arithmetic Operations brute force data structures graphs math	2300	2.4k
1651C	Fault-tolerant Network brute force data structures implementation	1500	11.6k
1651E	Sum of Matchings brute force combinatorics constructive algorithms dfs and similar graph matchings greedy math	2600	670
1651F	Tower Defense binary search brute force data structures	3000	516
1650D	Twist the Permutation brute force constructive algorithms implementation math	1300	15.3k
1648B	Integral Array brute force constructive algorithms data structures math	1800	7.4k
1647B	Madoka and the Elegant Gift brute force constructive algorithms graphs implementation	1200	17.2k
1646B	Quality vs Quantity brute force constructive algorithms greedy sortings two pointers	800	22.9k
1646C	Factorials and Powers of Two bitmasks brute force constructive algorithms dp math	1500	20.5k
1646E	Power Board brute force dp math number theory	2200	2.8k
1644B	Anti-Fibonacci Permutation brute force constructive algorithms implementation	800	21.4k
1644C	Increase Subarray Sums brute force dp greedy implementation	1400	15.1k
1644E	Expand the Path brute force combinatorics data structures implementation math	1900	3.5k
1641A	Great Sequence brute force greedy sortings	1200	19.1k
1641C	Anonymity Is Important binary search brute force data structures dsu greedy sortings	2200	2.9k
1641D	Two Arrays bitmasks brute force combinatorics greedy hashing math two pointers	2700	1.6k
1638E	Colorful Operations brute force data structures implementation	2400	2.5k
1638F	Two Posters brute force data structures greedy two pointers	3200	277
1637A	Sorting Parts brute force sortings	800	24.2k
1637B	MEX and Array brute force dp greedy math	1100	15.5k
1637E	Best Pair binary search brute force implementation	2100	3.9k
1634F	Fibonacci Additions brute force data structures hashing implementation math	2700	2k
1633A	Div. 7 brute force	800	36.3k
1633C	Kill the Monster brute force math	1100	21.4k
1632C	Strange Test binary search bitmasks brute force dp math	1600	14.2k
1629A	Download More RAM brute force greedy sortings	800	31.1k
1627D	Not Adding brute force dp math number theory	1900	9.5k
1626D	Martial Arts Tournament binary search brute force greedy math	2100	4.4k
1625B	Elementary Particles brute force greedy sortings	1100	16.9k
1625E1	Cats on the Upgrade (easy version) brute force data structures dfs and similar divide and conquer dp graphs trees	2500	1.2k
1624E	Masha-forgetful brute force constructive algorithms dp hashing implementation strings	2000	4.7k
1623A	Robot Cleaner brute force implementation math	800	20.8k
1623B	Game on Ranges brute force dfs and similar implementation sortings	1100	14.7k
1622C	Set or Decrease binary search brute force greedy sortings	1600	15.8k
1622E	Math Test bitmasks brute force greedy	2200	2.3k
1620C	BA-String brute force dp greedy implementation math	1800	7.3k
1620D	Exact Change brute force constructive algorithms greedy	2000	4.9k
1619F	Let's Play the Hat? brute force constructive algorithms greedy math	2000	2.4k
1619H	Permutation and Queries brute force data structures divide and conquer two pointers	2400	1.5k
1617B	GCD Problem brute force constructive algorithms math number theory	900	27.3k
1616C	Representative Edges brute force geometry implementation math	1500	13.3k
1616E	Lexicographically Small Enough brute force data structures greedy strings	2200	2.8k
1616F	Tricolor Triangles brute force graphs math matrices	2900	767
1615C	Menorah brute force graphs greedy math	1600	9.3k
1614A	Divan and a Store brute force constructive algorithms greedy	800	24.7k
1612A	Distance brute force constructive algorithms	800	18.3k
1612E	Messages brute force dp greedy probabilities sortings	2000	2.9k
1612F	Armor and Weapons brute force dp greedy shortest paths	2800	722
1610E	AmShZ and G.O.A.T. binary search brute force greedy implementation math	2300	2.1k
1607C	Minimum Extraction brute force sortings	1000	27.1k
1607F	Robot on the Board 2 brute force dfs and similar graphs implementation	2300	2.2k
1606D	Red-Blue Matrix brute force constructive algorithms implementation sortings	2400	1.6k
1606F	Tree Queries brute force dp trees	2800	782
1605C	Dominant Character brute force greedy implementation strings	1400	19.1k
1600F	Party Organization brute force math probabilities	2300	640
1599G	Shortest path brute force geometry math shortest paths	2700	436
1599J	Bob's Beautiful Array bitmasks brute force greedy	2600	352
1598A	Computer Game brute force dfs and similar dp implementation	800	25.9k
1598B	Groups brute force implementation	1000	17k
1598E	Staircases brute force combinatorics data structures dfs and similar dp implementation math	2100	2.5k
1598F	RBS binary search bitmasks brute force data structures dp	2400	1.7k
1594C	Make Them Equal brute force greedy math strings	1200	30.1k
1594E2	Rubik's Cube Coloring (hard version) brute force dp implementation math trees	2300	1.7k
1593D2	Half of Same brute force math number theory	1900	5.6k
1593E	Gardener and Tree brute force data structures dfs and similar greedy implementation trees	1600	15.1k
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
1580A	Portal brute force data structures dp greedy implementation	1700	3.9k
1580B	Mathematics Curriculum brute force combinatorics dp trees	2600	1.4k
1580C	Train Maintenance brute force data structures implementation	2200	2.3k
1580D	Subsequence brute force divide and conquer dp greedy trees	2900	1.2k
1580E	Railway Construction brute force constructive algorithms data structures graphs shortest paths	3400	126
1579F	Array Stabilization (AND version) brute force graphs math number theory shortest paths	1700	5.4k
1578J	Just Kingdom brute force data structures dfs and similar	3100	381
1578K	Kingdom of Islands brute force graphs implementation	2800	435
1575D	Divisible by Twenty-Five brute force dfs and similar dp	1800	2.9k
1575J	Jeopardy of Dropped Balls binary search brute force dsu implementation	1500	4.3k
1574D	The Strongest Build binary search brute force data structures dfs and similar graphs greedy hashing implementation	2000	4.9k
1572A	Book binary search brute force data structures dp graphs implementation sortings	1800	10.6k
1572B	Xor of 3 brute force constructive algorithms greedy two pointers	2500	2.1k
1571D	Sweepstake *special brute force constructive algorithms implementation math	1800	373
1569E	Playoff Restoration bitmasks brute force hashing implementation meet-in-the-middle	2600	903
1569F	Palindromic Hamiltonian Path brute force dfs and similar dp graphs hashing	3000	493
1562B	Scenes From a Memory brute force constructive algorithms implementation math number theory	1000	20.7k
1561A	Simply Strange Sort brute force implementation sortings	800	17.2k
1561D1	Up the Strip (simplified version) brute force data structures dp math number theory	1700	6.2k
1560F1	Nearest Beautiful Number (easy version) binary search bitmasks brute force constructive algorithms dfs and similar greedy	1900	6.8k
1560F2	Nearest Beautiful Number (hard version) bitmasks brute force constructive algorithms dfs and similar dp greedy	2100	5.1k
1559D1	Mocha and Diana (Easy Version) brute force constructive algorithms dsu graphs greedy trees	1400	16.5k
1559D2	Mocha and Diana (Hard Version) brute force constructive algorithms dfs and similar dsu graphs greedy trees two pointers	2500	3.2k
1558A	Charmed by the Game brute force math	1300	11.5k
1558B	Up the Strip brute force dp math number theory two pointers	1900	5.3k
1557A	Ezzat and Two Subsequences brute force math sortings	800	29.3k
1557E	Assiut Chess brute force constructive algorithms interactive	2800	774

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