Problemset - Codeforces

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Codeforces Round 1134 (Div. 4)
5 days
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Problems

#	Name
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x11643
1284A	New Year and Naming implementation, strings	800	x18644
1283F	DIY Garland constructive algorithms, greedy, trees	2200	x2192
1283E	New Year Parties dp, greedy	1800	x7596
1283D	Christmas Trees graphs, greedy, shortest paths	1800	x10358
1283C	Friends and Gifts constructive algorithms, data structures, math	1500	x14366
1283B	Candies Division math	900	x23334
1283A	Minutes Before the New Year math	800	x63233
1282E	The Cake Is a Lie constructive algorithms, data structures, dfs and similar, graphs	2400	x1259
1282D	Enchanted Artifact constructive algorithms, interactive, strings	2300	x2507
1282C	Petya and Exam greedy, sortings, two pointers	1800	x4729
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x11245
1282B1	K for the Price of One (Easy Version) dp, greedy, sortings	1400	x12300
1282A	Temporarily unavailable implementation, math	900	x15606
1281B	Azamon Web Services greedy	1600	x8787
1281A	Suffix Three implementation	800	x19051
1280F	Intergalactic Sliding Puzzle combinatorics, constructive algorithms, math	3400	x116
1280E	Kirchhoff's Current Loss math	2900	x275
1280D	Miss Punyverse dp, greedy, trees	2500	x1332
1280C	Jeremy Bearimy dfs and similar, graphs, greedy, trees	2000	x3147
1280B	Beingawesomeism implementation, math	1800	x4236
1280A	Cut and Paste implementation, math	1700	x5927
1279F	New Year and Handle Change binary search, dp	2800	x1416
1279E	New Year Permutations combinatorics, dp	2700	x492
1279D	Santa's Bot combinatorics, math, probabilities	1700	x7715
1279C	Stack of Presents data structures, implementation	1400	x12597
1279B	Verse For Santa binary search, brute force, implementation	1300	x14563
1279A	New Year Garland math	900	x18068
1278F	Cards combinatorics, dp, math, number theory, probabilities	2600	x2962
1278E	Tests for problem D constructive algorithms, dfs and similar, divide and conquer, trees	2200	x2111
1278D	Segment Tree data structures, dsu, graphs, trees	2100	x4523
1278C	Berry Jam data structures, dp, greedy, implementation	1700	x8867
1278B	A and B greedy, math	1500	x14496
1278A	Shuffle Hashing brute force, implementation, strings	1000	x18671
1277D	Let's Play the Words? data structures, hashing, implementation, math	1900	x3292
1277B	Make Them Odd greedy, number theory	1200	x17666
1277A	Happy Birthday, Polycarp! implementation	1000	x14699
1276F	Asterisk Substrings string suffix structures	3400	x609
1276E	Four Stones constructive algorithms	3500	x129
1276D	Tree Elimination dp, trees	2900	x801
1276C	Beautiful Rectangle brute force, combinatorics, constructive algorithms, data structures, greedy, math	2300	x1810
1276B	Two Fairs combinatorics, dfs and similar, dsu, graphs	1900	x5844
1276A	As Simple as One and Two dp, greedy	1400	x13095
1275F	Шардирование постов *special problem, binary search, interactive		x95
1275E3	Контрольная сумма *special problem		x63
1275E2	Контрольная сумма *special problem		x140
1275E1	Контрольная сумма *special problem		x267
1275D	Storage2 *special problem		x424
1275C	#define Задача B ... *special problem		x702
1275B	Code Review *special problem		x850
1275A	Скрытый друг *special problem		x896
1272F	Two Bracket Sequences dp, strings, two pointers	2200	x2453
1272E	Nearest Opposite Parity dfs and similar, graphs, shortest paths	1900	x8691
1272D	Remove One Element brute force, dp	1500	x19916
1272C	Yet Another Broken Keyboard combinatorics, dp, implementation	1200	x31901
1272B	Snow Walking Robot constructive algorithms, greedy, implementation	1200	x14883
1272A	Three Friends brute force, greedy, math, sortings	900	x22389
1271F	Divide The Students brute force	2700	x325
1271E	Common Number binary search, combinatorics, dp, math	2100	x3862
1271D	Portals data structures, dp, greedy, implementation, sortings	2100	x3526
1271C	Shawarma Tent brute force, geometry, greedy, implementation	1300	x11247
1271B	Blocks greedy, math	1300	x12199
1271A	Suits brute force, greedy, math	800	x15786
1270I	Xor on Figures constructive algorithms, fft, math	3500	x418
1270H	Number of Components data structures	3300	x1058
1270G	Subset with Zero Sum constructive algorithms, dfs and similar, graphs, math	2700	x3531
1270F	Awesome Substrings math, strings	2600	x1407
1270E	Divide Points constructive algorithms, geometry, math	2300	x2816
1270D	Strange Device constructive algorithms, interactive, math, sortings	1900	x5025
1270C	Make Good bitmasks, constructive algorithms, math	1400	x15290
1270B	Interesting Subarray constructive algorithms, greedy, math	1200	x17672
1270A	Card Game games, greedy, math	800	x17968
1269B	Modulo Equality brute force, sortings	1500	x9798
1269A	Equation brute force, math	800	x24900
1268E	Happy Cactus dp	3400	x352
1268D	Invertation in Tournament brute force, divide and conquer, graphs, math	3200	x967
1268C	K Integers binary search, data structures	2300	x2056
1268B	Domino for Young dp, greedy, math	2000	x6644
1268A	Long Beautiful Integer constructive algorithms, greedy, implementation, strings	1700	x9227
1267L	Lexicography constructive algorithms, strings	1800	x3427
1267K	Key Storage combinatorics, math	2100	x2215
1267J	Just Arrange the Icons greedy, implementation, math	1800	x3170
1267I	Intriguing Selection brute force, constructive algorithms, implementation, interactive, sortings	2600	x1087
1267H	Help BerLine constructive algorithms	3200	x242
1267G	Game Relics math, probabilities	3000	x882
1267F	Foolprüf Security graphs	2600	x729
1267E	Elections greedy	1700	x3674
1267D	DevOps Best Practices constructive algorithms	2800	x312
1267C	Cactus Revenge constructive algorithms	3500	x394
1267B	Balls of Buma	900	x4823
1267A	Apprentice Learning Trajectory	2400	x1085
1266H	Red-Blue Graph dp, graphs, math, matrices, meet-in-the-middle	3400	x146
1266G	Permutation Concatenation string suffix structures	3300	x143
1266F	Almost Same Distance dfs and similar, graphs	2900	x452
1266E	Spaceship Solitaire data structures, greedy, implementation	2100	x2464
1266D	Decreasing Debts constructive algorithms, data structures, graphs, greedy, implementation, math, two pointers	2000	x3992
1266C	Diverse Matrix constructive algorithms, greedy, math, number theory	1400	x10146
1266B	Dice Tower constructive algorithms, math	1000	x16809
1266A	Competitive Programmer chinese remainder theorem, math	1000	x17951
1265E	Beautiful Mirrors data structures, dp, math, probabilities	2100	x4884

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