Problemset - Codeforces

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Codeforces Round 977 (Div. 2)
2 days
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Problems

#	Name
1594E1	Rubik's Cube Coloring (easy version) combinatorics, math	1300	x11090
1594C	Make Them Equal brute force, greedy, math, strings	1200	x19444
1594B	Special Numbers bitmasks, math	1100	x19888
1593D1	All are Same math, number theory	1100	x20150
1592B	Hemose Shopping constructive algorithms, dsu, math, sortings	1200	x15973
1585C	Minimize Distance greedy	1300	x12008
1583B	Omkar and Heavenly Tree constructive algorithms, trees	1200	x12240
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x15619
1581B	Diameter of Graph constructive algorithms, graphs, greedy, math	1200	x11363
1579B	Shifting Sort implementation, sortings	1100	x18139
1578E	Easy Scheduling implementation, math	1200	x3822
1575A	Another Sorting Problem data structures, sortings, strings	1100	x4559
1574C	Slay the Dragon binary search, greedy, sortings, ternary search	1300	x17086
1574B	Combinatorics Homework combinatorics, greedy, math	1100	x17296
1571B	Epic Novel *special problem, math	1300	x714
1566D1	Seating Arrangements (easy version) data structures, greedy, sortings	1100	x14000
1561C	Deep Down Below binary search, greedy, sortings	1300	x14604
1560D	Make a Power of Two greedy, math, strings	1300	x18189
1559C	Mocha and Hiking constructive algorithms, graphs	1200	x20445
1558A	Charmed by the Game brute force, math	1300	x11088
1557B	Moamen and k-subarrays greedy, sortings	1100	x23433
1556B	Take Your Places! implementation	1300	x12693
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x21708
1555B	Two Tables brute force	1300	x16058
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x17846
1553B	Reverse String brute force, dp, hashing, implementation, strings	1300	x14145
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x16679
1547C	Pair Programming greedy, two pointers	1100	x22629
1546B	AquaMoon and Stolen String interactive, math	1200	x13124
1541B	Pleasant Pairs brute force, implementation, math, number theory	1200	x28495
1539C	Stable Groups greedy, sortings	1200	x22881
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x28498
1537C	Challenging Cliffs constructive algorithms, greedy, implementation, math	1200	x27596
1536B	Prinzessin der Verurteilung brute force, constructive algorithms, strings	1200	x18757
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x12805
1534B	Histogram Ugliness greedy, implementation, math	1100	x12501
1530C	Pursuit binary search, brute force, greedy, sortings	1200	x14646
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x20564
1527B1	Palindrome Game (easy version) constructive algorithms, games	1200	x26079
1523B	Lord of the Values constructive algorithms	1100	x12093
1521B	Nastia and a Good Array constructive algorithms, math, number theory	1300	x21343
1520D	Same Differences data structures, hashing, math	1200	x46820
1517B	Morning Jogging constructive algorithms, greedy, sortings	1200	x13250
1514B	AND 0, Sum Big bitmasks, combinatorics, math	1200	x24883
1512D	Corrupted Array constructive algorithms, data structures, greedy	1200	x22547
1512C	A-B Palindrome constructive algorithms, implementation, strings	1200	x20172
1511C	Yet Another Card Deck brute force, data structures, implementation, trees	1100	x23781
1511B	GCD Length constructive algorithms, math, number theory	1100	x22885
1510K	King's Task brute force, graphs, implementation	1200	x5450
1509B	TMT Document greedy	1100	x21591
1506B	Partial Replacement greedy, implementation	1100	x20223
1504B	Flip the Bits constructive algorithms, greedy, implementation, math	1200	x18514
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x17173
1497C1	k-LCM (easy version) constructive algorithms, math	1200	x25756
1497B	M-arrays constructive algorithms, greedy, math	1200	x19909
1496B	Max and Mex math	1100	x17552
1495A	Diamond Miner geometry, greedy, math, sortings	1200	x17072
1493B	Planet Lapituletti brute force, implementation	1300	x11845
1492B	Card Deck data structures, greedy, math	1100	x18391
1491B	Minimal Cost brute force, math	1200	x13799
1490D	Permutation Transformation dfs and similar, divide and conquer, implementation	1200	x19514
1490C	Sum of Cubes binary search, brute force, brute force, math	1100	x33190
1487B	Cat Cycle math, number theory	1200	x21009
1485B	Replace and Keep Sorted dp, implementation, math	1200	x17079
1481B	New Colony brute force, greedy, implementation	1100	x19294
1478B	Nezzar and Lucky Number brute force, dp, greedy, math	1100	x18284
1476B	Inflation binary search, brute force, greedy, math	1300	x20017
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x27337
1472C	Long Jumps dp, graphs	1100	x31299
1471B	Strange List brute force, greedy, implementation, math	1100	x19328
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x22444
1466C	Canine poetry dp, greedy, strings	1300	x17644
1463A	Dungeon binary search, math	1100	x25550
1459B	Move and Turn dp, math	1300	x14793
1455C	Ping-pong constructive algorithms, games, math	1100	x19589
1455B	Jumps constructive algorithms, math	1200	x21829
1454D	Number into Sequence constructive algorithms, math, number theory	1300	x20438
1454C	Sequence Transformation greedy, implementation	1200	x21441
1446A	Knapsack constructive algorithms, greedy, sortings	1300	x15496
1443B	Saving the City dp, greedy, math, sortings	1300	x15774
1437B	Reverse Binary Strings constructive algorithms, greedy	1200	x19187
1433E	Two Round Dances combinatorics, math	1300	x18444
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x23147
1428C	ABBB brute force, data structures, greedy, strings	1100	x20214
1428B	Belted Rooms graphs, implementation	1200	x14377
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19385
1425H	Huge Boxes of Animal Toys constructive algorithms	1300	x4166
1424G	Years data structures, sortings	1300	x5864
1422B	Nice Matrix greedy, implementation, math	1300	x14404
1421B	Putting Bricks in the Wall constructive algorithms, implementation	1100	x13058
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x17584
1420B	Rock and Lever bitmasks, math	1200	x25701
1419B	Stairs brute force, constructive algorithms, greedy, implementation, math	1200	x16249
1418B	Negative Prefixes greedy, sortings	1300	x16666
1417B	Two Arrays greedy, math, sortings	1100	x14468
1415B	Repainting Street brute force, brute force, greedy	1100	x12182
1413B	A New Technique implementation	1100	x11717
1409C	Yet Another Array Restoration brute force, math, number theory	1200	x23305
1409B	Minimum Product brute force, greedy, math	1100	x28992
1407B	Big Vova brute force, greedy, math, number theory	1300	x17017