Problemset - Codeforces

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Codeforces Round 1134 (Div. 4)
5 days
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Problems

#	Name
1245B	Restricted RPS constructive algorithms, dp, greedy	1200	x14657
1245A	Good ol' Numbers Coloring math, number theory	1000	x15095
1244G	Running in Pairs constructive algorithms, greedy, math	2400	x1586
1244F	Chips constructive algorithms, implementation	2300	x1676
1244E	Minimizing Difference binary search, constructive algorithms, greedy, sortings, ternary search, two pointers	2000	x7130
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x8492
1244C	The Football Season brute force, math, number theory	2000	x8585
1244B	Rooms and Staircases brute force, implementation	1000	x17996
1244A	Pens and Pencils math	800	x20248
1243B2	Character Swap (Hard Version) strings	1600	x7457
1243B1	Character Swap (Easy Version) strings	1000	x15491
1243A	Maximum Square implementation	800	x16489
1242E	Planar Perimeter constructive algorithms, graphs	3200	x176
1242D	Number Discovery math	3400	x255
1242C	Sum Balance bitmasks, dfs and similar, dp, graphs	2400	x2018
1242B	0-1 MST dfs and similar, dsu, graphs, sortings	1900	x10018
1242A	Tile Painting constructive algorithms, math, number theory	1500	x13400
1240F	Football graphs	3100	x426
1239F	Swiper, no swiping! graphs, implementation	3400	x329
1239E	Turtle dp, implementation	3100	x1357
1239D	Catowice City 2-sat, dfs and similar, graph matchings, graphs	2400	x2845
1239C	Queue in the Train data structures, greedy, implementation	2300	x1841
1239B	The World Is Just a Programming Task (Hard Version) implementation	2500	x1204
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7939
1238G	Adilbek and the Watering System data structures, greedy, sortings	2700	x546
1238F	The Maximum Subtree dfs and similar, dp, graphs, trees	2200	x2275
1238E	Keyboard Purchase bitmasks, dp	2200	x3741
1238D	AB-string binary search, combinatorics, dp, strings	1900	x6614
1238C	Standard Free2play dp, greedy, math	1600	x7920
1238B	Kill `Em All greedy, sortings	1300	x15999
1238A	Prime Subtraction math, number theory	900	x28969
1237H	Balanced Reversals constructive algorithms	3300	x693
1237G	Balanced Distribution data structures, dp, greedy	3500	x169
1237F	Balanced Domino Placements combinatorics, dp	2600	x1202
1237E	Balanced Binary Search Trees dp, math	2400	x1759
1237D	Balanced Playlist binary search, data structures, implementation	2000	x5020
1237C2	Balanced Removals (Harder) binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings	1900	x4625
1237C1	Balanced Removals (Easier) constructive algorithms, geometry, greedy	1700	x6359
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x25286
1237A	Balanced Rating Changes implementation, math	1000	x22730
1236F	Alice and the Cactus dfs and similar, graphs, math, probabilities	3000	x439
1236E	Alice and the Unfair Game binary search, data structures, dp, dsu	2500	x822
1236D	Alice and the Doll brute force, data structures, greedy, implementation	2300	x1775
1236C	Labs constructive algorithms, greedy, implementation	1300	x10626
1236B	Alice and the List of Presents combinatorics, math	1500	x12319
1236A	Stones brute force, greedy, math	800	x17410
1234F	Yet Another Substring Reverse bitmasks, dp	2200	x3288
1234E	Special Permutations math	2000	x3119
1234D	Distinct Characters Queries data structures	1600	x20147
1234C	Pipes dp, implementation	1500	x13779
1234B2	Social Network (hard version) data structures, implementation	1300	x18869
1234B1	Social Network (easy version) implementation	1000	x20029
1234A	Equalize Prices Again math	800	x29907
1231E	Middle-Out constructive algorithms, greedy, strings	2200	x957
1231C	Increasing Matrix greedy	1100	x4477
1230B	Ania and Minimizing greedy, implementation	1000	x19856
1230A	Dawid and Bags of Candies brute force, implementation	800	x23276
1228F	One Node is Gone constructive algorithms, implementation, trees	2500	x628
1228E	Another Filling the Grid combinatorics, dp, math	2300	x3807
1228D	Complete Tripartite brute force, constructive algorithms, graphs, hashing, implementation	1900	x5487
1228C	Primes and Multiplication math, number theory	1700	x9840
1228B	Filling the Grid implementation, math	1400	x11996
1228A	Distinct Digits brute force, implementation	800	x23545
1227G	Not Same constructive algorithms	2600	x1347
1227F2	Wrong Answer on test 233 (Hard Version) combinatorics, math	2400	x2000
1227F1	Wrong Answer on test 233 (Easy Version) dp	2200	x2111
1227E	Arson In Berland Forest binary search, graphs, graphs, shortest paths	2200	x1846
1227D2	Optimal Subsequences (Hard Version) data structures, greedy	1800	x4800
1227D1	Optimal Subsequences (Easy Version) data structures, greedy	1600	x6890
1227C	Messy constructive algorithms	1700	x5837
1227B	Box constructive algorithms	1200	x10593
1227A	Math Problem math	1100	x10370
1225G	To Make 1 bitmasks, constructive algorithms, dp, greedy, number theory	3100	x727
1225F	Tree Factory constructive algorithms, greedy, trees	2500	x1164
1225E	Rock Is Push binary search, dp	2200	x2207
1225D	Power Products hashing, math, number theory	1800	x10778
1225C	p-binary bitmasks, brute force, math	1600	x9993
1225B2	TV Subscriptions (Hard Version) implementation, two pointers	1300	x12435
1225B1	TV Subscriptions (Easy Version) implementation	1000	x12662
1225A	Forgetting Things math	900	x16834
1223G	Wooden Raft binary search, math, number theory	3200	x434
1223F	Stack Exterminable Arrays data structures, divide and conquer, dp, hashing	2600	x2358
1223E	Paint the Tree dp, sortings, trees	2100	x3058
1223D	Sequence Sorting dp, greedy, two pointers	2000	x4604
1223C	Save the Nature binary search, greedy	1600	x10042
1223B	Strings Equalization strings	1000	x16316
1223A	CME math	800	x22495
1221G	Graph And Numbers bitmasks, brute force, combinatorics, dp, meet-in-the-middle	2900	x1062
1221F	Choose a Square binary search, data structures, sortings	2400	x1318
1221E	Game With String games	2500	x1205
1221D	Make The Fence Great Again dp	1800	x10657
1221C	Perfect Team binary search, math	1200	x25616
1221B	Knights constructive algorithms, greedy	1100	x12621
1221A	2048 Game brute force, greedy, math	1000	x18480
1220G	Geolocation geometry	3400	x129
1220F	Gardener Alex binary search, data structures	2700	x917
1220E	Tourism dfs and similar, dp, dsu, graphs, greedy, trees	2200	x3105
1220D	Alex and Julian bitmasks, math, number theory	1900	x4171
1220C	Substring Game in the Lesson games, greedy, strings	1300	x10890
1220B	Multiplication Table math, number theory	1300	x12237

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