Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
17:13:49
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Problems

#	Name
1678B2	Tokitsukaze and Good 01-String (hard version) dp, greedy, implementation	1800	x6415
1677A	Tokitsukaze and Strange Inequality brute force, data structures, dp	1600	x8153
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x14394
1675F	Vlad and Unfinished Business dfs and similar, dp, greedy, trees	1800	x5056
1673C	Palindrome Basis brute force, dp, math, number theory	1500	x11993
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x17099
1660C	Get an Even String dp, greedy, strings	1300	x18900
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x9821
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x13351
1644C	Increase Subarray Sums brute force, dp, greedy, implementation	1400	x13431
1637D	Yet Another Minimization Problem dp, greedy, math	1800	x7415
1635D	Infinite Set bitmasks, dp, math, matrices, number theory, strings	1800	x6042
1633D	Make Them Equal dp, greedy	1600	x13187
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12328
1626C	Monsters And Spells binary search, data structures, dp, greedy, implementation, math, two pointers	1700	x10673
1625C	Road Optimization dp	1700	x10152
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6395
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x8750
1618D	Array and Operations dp, greedy, math	1300	x18391
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x9966
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9534
1608C	Game Master data structures, dfs and similar, dp, graphs, greedy, two pointers	1700	x6449
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x20165
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x7153
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x7665
1583C	Omkar and Determination data structures, dp	1700	x6836
1582F1	Korney Korneevich and XOR (easy version) bitmasks, dp, greedy	1800	x5309
1580A	Portal brute force, data structures, dp, greedy, implementation	1700	x3575
1575D	Divisible by Twenty-Five brute force, dfs and similar, dp	1800	x2427
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8586
1571E	Fix the String *special problem, bitmasks, dp, greedy	1700	x327
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x11884
1562D1	Two Hundred Twenty One (easy version) data structures, dp, math	1700	x6202
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5408
1557C	Moamen and XOR bitmasks, combinatorics, dp, math, matrices	1700	x8363
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x11832
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x21005
1553D	Backspace dp, greedy, strings, two pointers	1500	x13389
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x17397
1553B	Reverse String brute force, dp, hashing, implementation, strings	1300	x13870
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6735
1547E	Air Conditioners data structures, dp, implementation, shortest paths, sortings, two pointers	1500	x13942
1538F	Interesting Function binary search, dp, math, number theory	1500	x18500
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x12361
1536C	Diluc and Kaeya data structures, dp, hashing, number theory	1500	x13653
1535D	Playoff Tournament data structures, dfs and similar, dp, implementation, trees	1800	x7523
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16159
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x12557
1528B	Kavi on Pairing Duty combinatorics, dp, math	1700	x8509
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x14013
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x21416
1526B	I Hate 1111 dp, math, number theory	1400	x29046
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9431
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14662
1517D	Explorer Space dp, graphs, shortest paths	1800	x7384
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x11580
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x18269
1513C	Add One dp, matrices	1600	x13337
1512G	Short Task brute force, dp, math, number theory	1700	x7870
1509C	The Sports Festival dp, greedy	1800	x11917
1498C	Planar Reflections brute force, data structures, dp	1600	x9288
1497E1	Square-Free Division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x8067
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x15654
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x6934
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x7739
1485B	Replace and Keep Sorted dp, implementation, math	1200	x16726
1476D	Journey dfs and similar, dp, dsu, implementation	1700	x8418
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11098
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9792
1473D	Program data structures, dp, implementation, strings	1700	x9361
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x7752
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x26218
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21431
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x10523
1466C	Canine poetry dp, greedy, strings	1300	x17351
1461C	Random Events dp, math, probabilities	1500	x10891
1461B	Find the Spruce brute force, dp, implementation	1400	x12393
1459B	Move and Turn dp, math	1300	x14051
1455D	Sequence and Swaps dp, greedy, sortings	1600	x12026
1452D	Radio Towers combinatorics, dp, math	1600	x7790
1451C	String Equality dp, greedy, hashing, implementation, strings	1400	x15251
1446B	Catching Cheaters dp, strings	1800	x7588
1443B	Saving the City dp, greedy, math, sortings	1300	x15541
1442A	Extreme Subtraction constructive algorithms, dp, greedy	1800	x8594
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10163
1422C	Bargain combinatorics, dp, math	1700	x8103
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x17118
1418C	Mortal Kombat Tower dp, graphs, greedy, shortest paths	1500	x18440
1415C	Bouncing Ball brute force, dp, implementation	1400	x10689
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7597
1408C	Discrete Acceleration binary search, dp, implementation, math, two pointers	1500	x8663
1406B	Maximum Product brute force, dp, greedy, implementation, sortings	1200	x22118
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8887
1398D	Colored Rectangles dp, greedy, sortings	1800	x11055
1398C	Good Subarrays data structures, dp, math	1600	x24457
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x13577
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6475
1392D	Omkar and Bed Wars dp, greedy	1700	x8475
1391C	Cyclic Permutations combinatorics, dp, graphs, math	1500	x14584
1389C	Good String brute force, dp, greedy, two pointers	1500	x18451