Problemset - Codeforces

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Problems

#	Name
1618E	Singers' Tour constructive algorithms, math	1700	x7257
1611E1	Escape The Maze (easy version) dfs and similar, greedy, shortest paths, trees, two pointers	1700	x7376
1608C	Game Master data structures, dfs and similar, dp, graphs, greedy, two pointers	1700	x6739
1598D	Training Session combinatorics, data structures, geometry, implementation, math	1700	x8787
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x7600
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x8083
1583C	Omkar and Determination data structures, dp	1700	x6974
1580A	Portal brute force, data structures, dp, greedy, implementation	1700	x3698
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4826
1579E2	Array Optimization by Deque data structures, greedy	1700	x6714
1578H	Higher Order Functions implementation, strings	1700	x2037
1571E	Fix the String *special problem, bitmasks, dp, greedy	1700	x340
1562D1	Two Hundred Twenty One (easy version) data structures, dp, math	1700	x6373
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5655
1557C	Moamen and XOR bitmasks, combinatorics, dp, math, matrices	1700	x8661
1554B	Cobb bitmasks, brute force, greedy, math	1700	x12872
1551D1	Domino (easy version) constructive algorithms, math	1700	x7136
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x10239
1543D1	RPD and Rap Sheet (Easy Version) bitmasks, constructive algorithms, interactive, math	1700	x7645
1538D	Another Problem About Dividing Numbers constructive algorithms, math, number theory	1700	x13735
1537D	Deleting Divisors games, math, number theory	1700	x12510
1528B	Kavi on Pairing Duty combinatorics, dp, math	1700	x8767
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x12031
1512G	Short Task brute force, dp, math, number theory	1700	x8310
1503B	3-Coloring constructive algorithms, games, interactive	1700	x7088
1497E1	Square-Free Division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x8414
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x7992
1485C	Floor and Mod binary search, brute force, math, number theory	1700	x10053
1479A	Searching Local Minimum binary search, interactive, ternary search	1700	x11775
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9847
1476D	Journey dfs and similar, dp, dsu, implementation	1700	x8675
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12810
1473D	Program data structures, dp, implementation, strings	1700	x9747
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x8140
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x9499
1468F	Full Turn geometry, hashing, number theory	1700	x3781
1468D	Firecrackers binary search, sortings	1700	x4734
1467B	Hills And Valleys brute force, implementation	1700	x11010
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9855
1453C	Triangles greedy, implementation	1700	x6060
1451D	Circle Game games, geometry, math	1700	x9580
1430D	String Deletion binary search, data structures, greedy, two pointers	1700	x8841
1422C	Bargain combinatorics, dp, math	1700	x8286
1413D	Shurikens data structures, greedy, implementation	1700	x6528
1411C	Peaceful Rooks dfs and similar, dsu, graphs	1700	x8036
1406C	Link Cut Centroids constructive algorithms, dfs and similar, graphs, trees	1700	x10381
1400B	RPG Protagonist brute force, greedy, math	1700	x11240
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10658
1392D	Omkar and Bed Wars dp, greedy	1700	x8988
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x10715
1381A2	Prefix Flip (Hard Version) constructive algorithms, data structures, implementation, strings, two pointers	1700	x13358
1368D	AND, OR and square sum bitmasks, greedy, math	1700	x11951
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x17577
1361A	Johnny and Contribution constructive algorithms, graphs, greedy, sortings	1700	x8443
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x12510
1359C	Mixing Water binary search, math	1700	x13932
1346E	Magic Tricks *special problem, dp, graphs	1700	x380
1343D	Constant Palindrome Sum brute force, data structures, greedy, two pointers	1700	x12766
1340B	Nastya and Scoreboard bitmasks, dp, graphs, greedy	1700	x7875
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x11419
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10898
1333C	Eugene and an array binary search, data structures, implementation, two pointers	1700	x12644
1332D	Walk on Matrix bitmasks, constructive algorithms, math	1700	x8201
1329B	Dreamoon Likes Sequences bitmasks, combinatorics, math	1700	x6716
1325D	Ehab the Xorcist bitmasks, constructive algorithms, greedy, number theory	1700	x12196
1324E	Sleeping Schedule dp, implementation	1700	x13746
1320B	Navigation System dfs and similar, graphs, shortest paths	1700	x6058
1313B	Different Rules constructive algorithms, greedy, implementation, math	1700	x6715
1312D	Count the Arrays combinatorics, math	1700	x9556
1310A	Recommendations data structures, greedy, sortings	1700	x5191
1301C	Ayoub's function binary search, combinatorics, greedy, math, strings	1700	x9385
1295B	Infinite Prefixes math, strings	1700	x9348
1292B	Aroma's Search brute force, constructive algorithms, geometry, greedy, implementation	1700	x6409
1280A	Cut and Paste implementation, math	1700	x5466
1279D	Santa's Bot combinatorics, math, probabilities	1700	x6409
1278C	Berry Jam data structures, dp, greedy, implementation	1700	x8100
1268A	Long Beautiful Integer constructive algorithms, greedy, implementation, strings	1700	x8681
1267E	Elections greedy	1700	x3304
1260C	Infinite Fence greedy, math, number theory	1700	x8273
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7620
1256C	Platforms Jumping greedy	1700	x6933
1254A	Feeding Chicken constructive algorithms, greedy, implementation	1700	x5250
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x9320
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9802
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7380
1237C1	Balanced Removals (Easier) constructive algorithms, geometry, greedy	1700	x6115
1228C	Primes and Multiplication math, number theory	1700	x9080
1227C	Messy constructive algorithms	1700	x5536
1219C	Periodic integer number implementation, strings	1700	x1802
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1700	x7480
1216C	White Sheet geometry, math	1700	x9331
1215D	Ticket Game games, greedy, math	1700	x6205
1211C	Ice Cream *special problem, greedy, sortings	1700	x489
1210B	Marcin and Training Camp brute force, greedy	1700	x5833
1210A	Anadi and Domino brute force, graphs	1700	x5172
1209D	Cow and Snacks dfs and similar, dsu, graphs	1700	x9470
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6738
1203D2	Remove the Substring (hard version) binary search, greedy, implementation, two pointers	1700	x7468
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4579
1194D	1-2-K Game games, math	1700	x6601