Problemset - Codeforces

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Problems

#	Name
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x15421
1514C	Product 1 Modulo N greedy, number theory	1600	x15366
1513C	Add One dp, matrices	1600	x14174
1512E	Permutation by Sum brute force, greedy, math	1600	x10564
1511D	Min Cost String brute force, constructive algorithms, graphs, greedy, strings	1600	x11583
1505B	DMCA *special problem, implementation, number theory	1600	x6198
1503A	Balance the Bits constructive algorithms, greedy	1600	x13492
1498C	Planar Reflections brute force, data structures, dp	1600	x9812
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x17464
1486C1	Guessing the Greatest (easy version) binary search, interactive	1600	x12364
1482C	Basic Diplomacy brute force, constructive algorithms, greedy, implementation	1600	x9436
1481C	Fence Painting brute force, constructive algorithms, greedy	1600	x11704
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11441
1475E	Advertising Agency combinatorics, math, sortings	1600	x13840
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x10799
1468K	The Robot brute force, implementation	1600	x5165
1461D	Divide and Summarize binary search, brute force, data structures, divide and conquer, implementation, sortings	1600	x9301
1458A	Row GCD math, number theory	1600	x18501
1455D	Sequence and Swaps dp, greedy, sortings	1600	x12372
1452D	Radio Towers combinatorics, dp, math	1600	x8021
1437D	Minimal Height Tree graphs, greedy, shortest paths, trees	1600	x12901
1431C	Black Friday *special problem, implementation	1600	x707
1423K	Lonely Numbers binary search, math, number theory, two pointers	1600	x4895
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x12167
1398C	Good Subarrays data structures, dp, math	1600	x27020
1396A	Multiples of Length constructive algorithms, greedy, number theory	1600	x15543
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x14203
1389B	Array Walk brute force, dp, greedy	1600	x16930
1374E1	Reading Books (easy version) data structures, greedy, sortings	1600	x14086
1373D	Maximum Sum on Even Positions divide and conquer, dp, greedy, implementation	1600	x15743
1371D	Grid-00100 constructive algorithms, greedy, implementation	1600	x13032
1364C	Ehab and Prefix MEXs brute force, constructive algorithms, greedy	1600	x13233
1363C	Game On Leaves games, trees	1600	x18929
1358C	Celex Update math	1600	x17460
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x18242
1352G	Special Permutation constructive algorithms	1600	x21537
1349A	Orac and LCM data structures, math, number theory	1600	x17318
1348C	Phoenix and Distribution constructive algorithms, greedy, sortings, strings	1600	x14682
1346D	Constructing the Dungeon *special problem, graphs, greedy	1600	x506
1346C	Spring Cleaning *special problem, greedy, sortings	1600	x608
1344A	Hilbert's Hotel math, number theory, sortings	1600	x15699
1342C	Yet Another Counting Problem math, number theory	1600	x14092
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x20615
1334C	Circle of Monsters brute force, constructive algorithms, greedy, math	1600	x16735
1327C	Game with Chips constructive algorithms, implementation	1600	x13458
1321C	Remove Adjacent brute force, constructive algorithms, greedy, strings	1600	x9885
1305C	Kuroni and Impossible Calculation brute force, combinatorics, math, number theory	1600	x14912
1303C	Perfect Keyboard dfs and similar, greedy, implementation	1600	x12215
1295C	Obtain The String dp, greedy, strings	1600	x13015
1294D	MEX maximizing data structures, greedy, implementation, math	1600	x11817
1290A	Mind Control brute force, data structures, implementation	1600	x8593
1288C	Two Arrays combinatorics, dp	1600	x13065
1284C	New Year and Permutation combinatorics, math	1600	x8095
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x10281
1281B	Azamon Web Services greedy	1600	x8327
1255C	League of Leesins constructive algorithms, implementation	1600	x6729
1252C	Even Path data structures, implementation	1600	x3752
1251C	Minimize The Integer greedy, two pointers	1600	x12526
1243B2	Character Swap (Hard Version) strings	1600	x7112
1238C	Standard Free2play dp, greedy, math	1600	x7448
1234D	Distinct Characters Queries data structures	1600	x15356
1227D1	Optimal Subsequences (Easy Version) data structures, greedy	1600	x6453
1225C	p-binary bitmasks, brute force, math	1600	x9037
1223C	Save the Nature binary search, greedy	1600	x8391
1217B	Zmei Gorynich greedy, math	1600	x11300
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11487
1203D1	Remove the Substring (easy version) greedy, implementation	1600	x8840
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9502
1198A	MP3 sortings, two pointers	1600	x9049
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9761
1188A1	Add on a Tree trees	1600	x8447
1184D1	Parallel Universes (Easy) implementation	1600	x2548
1184C1	Heidi and the Turing Test (Easy) implementation	1600	x2302
1175C	Electrification binary search, brute force, greedy	1600	x6840
1175B	Catch Overflow! data structures, expression parsing, implementation	1600	x10767
1165E	Two Arrays and Sum of Functions greedy, math, sortings	1600	x8411
1165D	Almost All Divisors math, number theory	1600	x16294
1163B2	Cat Party (Hard Edition) data structures, implementation	1600	x7267
1151D	Stas and the Queue at the Buffet greedy, math, sortings	1600	x8469
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x11314
1148B	Born This Way binary search, brute force, two pointers	1600	x7518
1140C	Playlist brute force, data structures, sortings	1600	x9623
1137B	Camp Schedule greedy, hashing, strings	1600	x6191
1137A	Skyscrapers implementation, sortings	1600	x4482
1133F1	Spanning Tree with Maximum Degree graphs	1600	x7896
1121C	System Testing implementation	1600	x2001
1115U2	Chessboard unitary *special problem	1600	x234
1115G3	Palindrome checker oracle *special problem	1600	x231
1115G2	OR oracle *special problem	1600	x312
1109A	Sasha and a Bit of Relax dp, implementation	1600	x8529
1098A	Sum in the tree constructive algorithms, dfs and similar, greedy, trees	1600	x8809
1096C	Polygon for the Angle brute force, geometry	1600	x6835
1095D	Circular Dance implementation	1600	x7586
1085C	Connect Three implementation, math	1600	x5449
1082C	Multi-Subject Competition greedy, sortings	1600	x5783
1082B	Vova and Trophies greedy	1600	x7591
1077D	Cutting Out binary search, sortings	1600	x8990
1065C	Make It Equal greedy	1600	x7861
1062C	Banh-mi greedy, implementation, math	1600	x5475
1060C	Maximum Subrectangle binary search, implementation, two pointers	1600	x4910