Problemset - Codeforces

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Problems

#	Name
1673C	Palindrome Basis brute force, dp, math, number theory	1500	x11700
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x16979
1660C	Get an Even String dp, greedy, strings	1300	x18764
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x9661
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x13154
1644C	Increase Subarray Sums brute force, dp, greedy, implementation	1400	x13346
1637D	Yet Another Minimization Problem dp, greedy, math	1800	x7363
1635D	Infinite Set bitmasks, dp, math, matrices, number theory, strings	1800	x5996
1633D	Make Them Equal dp, greedy	1600	x13009
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12242
1626C	Monsters And Spells binary search, data structures, dp, greedy, implementation, math, two pointers	1700	x10610
1625C	Road Optimization dp	1700	x10050
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6350
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x8670
1618D	Array and Operations dp, greedy, math	1300	x18280
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x9909
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9483
1608C	Game Master data structures, dfs and similar, dp, graphs, greedy, two pointers	1700	x6413
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x20034
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x7103
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x7609
1583C	Omkar and Determination data structures, dp	1700	x6801
1582F1	Korney Korneevich and XOR (easy version) bitmasks, dp, greedy	1800	x5251
1580A	Portal brute force, data structures, dp, greedy, implementation	1700	x3544
1575D	Divisible by Twenty-Five brute force, dfs and similar, dp	1800	x2403
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8529
1571E	Fix the String *special problem, bitmasks, dp, greedy	1700	x322
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x11835
1562D1	Two Hundred Twenty One (easy version) data structures, dp, math	1700	x6183
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5388
1557C	Moamen and XOR bitmasks, combinatorics, dp, math, matrices	1700	x8328
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x11746
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x20862
1553D	Backspace dp, greedy, strings, two pointers	1500	x13324
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x17310
1553B	Reverse String brute force, dp, hashing, implementation, strings	1300	x13820
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6688
1547E	Air Conditioners data structures, dp, implementation, shortest paths, sortings, two pointers	1500	x13836
1538F	Interesting Function binary search, dp, math, number theory	1500	x18334
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x12257
1536C	Diluc and Kaeya data structures, dp, hashing, number theory	1500	x13552
1535D	Playoff Tournament data structures, dfs and similar, dp, implementation, trees	1800	x7484
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16084
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x12485
1528B	Kavi on Pairing Duty combinatorics, dp, math	1700	x8462
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x13865
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x21196
1526B	I Hate 1111 dp, math, number theory	1400	x28684
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9375
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14582
1517D	Explorer Space dp, graphs, shortest paths	1800	x7315
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x11523
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x18082
1513C	Add One dp, matrices	1600	x13207
1512G	Short Task brute force, dp, math, number theory	1700	x7800
1509C	The Sports Festival dp, greedy	1800	x11800
1498C	Planar Reflections brute force, data structures, dp	1600	x9182
1497E1	Square-Free Division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x8032
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x15569
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x6887
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x7713
1485B	Replace and Keep Sorted dp, implementation, math	1200	x16653
1476D	Journey dfs and similar, dp, dsu, implementation	1700	x8382
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11043
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9715
1473D	Program data structures, dp, implementation, strings	1700	x9314
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x7720
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x26066
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21243
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x10492
1466C	Canine poetry dp, greedy, strings	1300	x17304
1461C	Random Events dp, math, probabilities	1500	x10847
1461B	Find the Spruce brute force, dp, implementation	1400	x12355
1459B	Move and Turn dp, math	1300	x13895
1455D	Sequence and Swaps dp, greedy, sortings	1600	x11985
1452D	Radio Towers combinatorics, dp, math	1600	x7756
1451C	String Equality dp, greedy, hashing, implementation, strings	1400	x15206
1446B	Catching Cheaters dp, strings	1800	x7533
1443B	Saving the City dp, greedy, math, sortings	1300	x15491
1442A	Extreme Subtraction constructive algorithms, dp, greedy	1800	x8566
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10115
1422C	Bargain combinatorics, dp, math	1700	x8074
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x17015
1418C	Mortal Kombat Tower dp, graphs, greedy, shortest paths	1500	x18182
1415C	Bouncing Ball brute force, dp, implementation	1400	x10651
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7553
1408C	Discrete Acceleration binary search, dp, implementation, math, two pointers	1500	x8626
1406B	Maximum Product brute force, dp, greedy, implementation, sortings	1200	x22034
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8859
1398D	Colored Rectangles dp, greedy, sortings	1800	x10994
1398C	Good Subarrays data structures, dp, math	1600	x24170
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x13503
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6455
1392D	Omkar and Bed Wars dp, greedy	1700	x8439
1391C	Cyclic Permutations combinatorics, dp, graphs, math	1500	x14549
1389C	Good String brute force, dp, greedy, two pointers	1500	x18359
1389B	Array Walk brute force, dp, greedy	1600	x15801
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x18335
1381B	Unmerge dp	1800	x8487
1380C	Create The Teams brute force, dp, greedy, implementation, sortings	1400	x19884