Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
1283E	New Year Parties dp, greedy	1800	x6265
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x9810
1282B1	K for the Price of One (Easy Version) dp, greedy, sortings	1400	x11162
1280D	Miss Punyverse dp, greedy, trees	2500	x918
1279F	New Year and Handle Change binary search, dp	2800	x831
1279E	New Year Permutations combinatorics, dp	2700	x354
1278F	Cards combinatorics, dp, math, number theory, probabilities	2600	x1709
1278C	Berry Jam data structures, dp, greedy, implementation	1700	x7594
1276D	Tree Elimination dp, trees	2900	x484
1276A	As Simple as One and Two dp, greedy	1400	x12023
1272F	Two Bracket Sequences dp, strings, two pointers	2200	x1744
1272D	Remove One Element brute force, dp	1500	x15750
1272C	Yet Another Broken Keyboard combinatorics, dp, implementation	1200	x25002
1271E	Common Number binary search, combinatorics, dp, math	2100	x3108
1271D	Portals data structures, dp, greedy, implementation, sortings	2100	x2745
1268E	Happy Cactus dp	3400	x219
1268B	Domino for Young dp, greedy, math	2000	x5605
1266H	Red-Blue Graph dp, graphs, math, matrices, meet-in-the-middle	3400	x99
1265E	Beautiful Mirrors data structures, dp, math, probabilities	2100	x3317
1264D1	Beautiful Bracket Sequence (easy version) combinatorics, dp, probabilities	2600	x1170
1263F	Economic Difficulties data structures, dfs and similar, dp, flows, graphs, trees	2400	x832
1260E	Tournament brute force, dp, greedy	2400	x1600
1260D	A Game with Traps binary search, dp, greedy, sortings	1900	x3580
1257E	The Contest data structures, dp, greedy	2000	x4113
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7198
1256E	Yet Another Division Into Teams dp, greedy, sortings	2000	x3867
1253E	Antenna Coverage data structures, dp, greedy, sortings	2200	x2617
1253C	Sweets Eating dp, greedy, math, sortings	1500	x13783
1252J	Tiling Terrace brute force, dp	2300	x680
1252D	Find String in a Grid data structures, dp, strings, trees	3000	x324
1252B	Cleaning Robots dp, trees	2300	x501
1251E1	Voting (Easy Version) data structures, dp, greedy	2300	x2090
1250G	Discarding Game dp, greedy, two pointers	2300	x707
1250D	Conference Problem dp	3000	x164
1249F	Maximum Weight Subset dp, trees	2200	x2083
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9197
1248D1	The World Is Just a Programming Task (Easy Version) brute force, dp, greedy, implementation	2000	x2286
1245F	Daniel and Spring Cleaning bitmasks, brute force, combinatorics, dp	2300	x1715
1245E	Hyakugoku and Ladders dp, probabilities, shortest paths	2300	x1107
1245C	Constanze's Machine dp	1400	x16726
1245B	Restricted RPS constructive algorithms, dp, greedy	1200	x13428
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7214
1242C	Sum Balance bitmasks, dfs and similar, dp, graphs	2400	x1465
1239E	Turtle dp, implementation	3100	x896
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7077
1238F	The Maximum Subtree dfs and similar, dp, graphs, trees	2200	x1684
1238E	Keyboard Purchase bitmasks, dp	2200	x2725
1238D	AB-string binary search, combinatorics, dp, strings	1900	x5726
1238C	Standard Free2play dp, greedy, math	1600	x7095
1237G	Balanced Distribution data structures, dp, greedy	3500	x119
1237F	Balanced Domino Placements combinatorics, dp	2600	x821
1237E	Balanced Binary Search Trees dp, math	2400	x1259
1236E	Alice and the Unfair Game binary search, data structures, dp, dsu	2500	x634
1234F	Yet Another Substring Reverse bitmasks, dp	2200	x2355
1234C	Pipes dp, implementation	1500	x12183
1228E	Another Filling the Grid combinatorics, dp, math	2300	x2485
1227F1	Wrong Answer on test 233 (Easy Version) dp	2200	x1751
1225G	To Make 1 bitmasks, constructive algorithms, dp, greedy, number theory	3100	x521
1225E	Rock Is Push binary search, dp	2200	x1785
1223F	Stack Exterminable Arrays data structures, divide and conquer, dp, hashing	2600	x1940
1223E	Paint the Tree dp, sortings, trees	2100	x2513
1223D	Sequence Sorting dp, greedy, two pointers	2000	x3923
1221G	Graph And Numbers bitmasks, brute force, combinatorics, dp, meet-in-the-middle	2900	x518
1221D	Make The Fence Great Again dp	1800	x8593
1220E	Tourism dfs and similar, dp, dsu, graphs, greedy, trees	2200	x2540
1218C	Jumping Transformers dp	2600	x171
1218A	BubbleReactor dp, graphs	2800	x106
1216F	Wi-Fi data structures, dp, greedy	2100	x2328
1215E	Marbles bitmasks, dp	2200	x2909
1215B	The Number of Products combinatorics, dp, implementation	1400	x12036
1214D	Treasure Island dfs and similar, dp, flows, hashing	1900	x4927
1211H	Road Repair in Treeland *special problem, binary search, dp, trees	3100	x41
1210G	Mateusz and Escape Room dp	3500	x155
1209E2	Rotate Columns (hard version) bitmasks, dp, greedy, sortings	2500	x1845
1209E1	Rotate Columns (easy version) bitmasks, brute force, dp, greedy, sortings	2000	x2712
1208F	Bits And Pieces bitmasks, dfs and similar, dp, greedy	2600	x2092
1207C	Gas Pipeline dp, greedy	1500	x9529
1206B	Make Product Equal One dp, implementation	900	x25932
1204E	Natasha, Sasha and the Prefix Sums combinatorics, dp, math, number theory	2300	x1574
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6425
1203F2	Complete the Projects (hard version) dp, greedy	2300	x2592
1202C	You Are Given a WASD-string... brute force, data structures, dp, greedy, implementation, math, strings	2100	x2350
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4355
1201D	Treasure Hunting binary search, dp, greedy, implementation	2100	x2147
1200F	Graph Traveler brute force, data structures, dfs and similar, dp, graphs, implementation, math, number theory	2300	x907
1200D	White Lines brute force, data structures, dp, implementation, two pointers	1900	x3909
1200B	Block Adventure dp, greedy	1200	x13586
1198D	Rectangle Painting 1 dp	2300	x2964
1197F	Coloring Game dp, games, matrices	2700	x237
1197E	Culture Code binary search, combinatorics, data structures, dp, shortest paths, sortings	2300	x1450
1197D	Yet Another Subarray Problem dp, greedy, math	1900	x5085
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9304
1195C	Basketball Exercise dp	1400	x23755
1194G	Another Meme Problem dp	2700	x212
1194F	Crossword Expert combinatorics, dp, number theory, probabilities, two pointers	2400	x965
1193B	Magic Tree *special problem, data structures, dp, trees		x415
1193A	Amusement Park *special problem, dp, math		x237
1192C	Cubeword *special problem, brute force, dp, meet-in-the-middle		x322
1189C	Candies! data structures, dp, implementation, math	1400	x10259
1188D	Make Equal dp	3100	x662