Problemset - Codeforces

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Codeforces Round #630 (Div. 2)
39:04:13
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Problems

#	Name
1285B	Just Eat It! dp, greedy, implementation	1300	x9431
1285A	Mezo Playing Zoma math	700	x15158
1284G	Seollal graphs	3300	x45
1284F	New Year and Social Network data structures, graph matchings, graphs, math, trees	3100	x110
1284E	New Year and Castle Construction combinatorics, geometry, math, sortings	2500	x667
1284D	New Year and Conference binary search, data structures, hashing, sortings	2100	x1980
1284C	New Year and Permutation combinatorics, math	1700	x4848
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1500	x6712
1284A	New Year and Naming implementation, strings	600	x12530
1283F	DIY Garland constructive algorithms, greedy, trees	2400	x741
1283E	New Year Parties dp, greedy	1800	x3199
1283D	Christmas Trees graphs, greedy, shortest paths	1800	x3572
1283C	Friends and Gifts constructive algorithms, data structures, math	1500	x6269
1283B	Candies Division math	1000	x11834
1283A	Minutes Before the New Year math	800	x15781
1282E	The Cake Is a Lie constructive algorithms, data structures, dfs and similar, graphs	2400	x624
1282D	Enchanted Artifact constructive algorithms, interactive, strings	2300	x1318
1282C	Petya and Exam greedy, sortings, two pointers	1800	x2638
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x5293
1282B1	K for the Price of One (Easy Version) dp, greedy, sortings	1400	x6287
1282A	Temporarily unavailable implementation, math	900	x9602
1281B	Azamon Web Services greedy	1500	x4230
1281A	Suffix Three implementation	600	x10273
1280F	Intergalactic Sliding Puzzle combinatorics, constructive algorithms, math	3400	x29
1280E	Kirchhoff's Current Loss math	2900	x92
1280D	Miss Punyverse dp, greedy, trees	2700	x353
1280C	Jeremy Bearimy dfs and similar, graphs, greedy, trees	2000	x1240
1280B	Beingawesomeism implementation, math	1800	x2199
1280A	Cut and Paste implementation, math	1700	x2787
1279F	New Year and Handle Change binary search, dp	2800	x325
1279E	New Year Permutations combinatorics, dp	2700	x183
1279D	Santa's Bot combinatorics, math, probabilities	1700	x3032
1279C	Stack of Presents data structures, implementation	1400	x6193
1279B	Verse For Santa binary search, brute force, implementation	1300	x7533
1279A	New Year Garland math	1000	x10308
1278F	Cards combinatorics, dp, math, number theory, probabilities	2600	x466
1278E	Tests for problem D constructive algorithms, dfs and similar, divide and conquer, trees	2200	x1019
1278D	Segment Tree data structures, dsu, graphs, trees	2100	x2013
1278C	Berry Jam data structures, dp, greedy, implementation	1600	x4261
1278B	A and B greedy, math	1500	x6628
1278A	Shuffle Hashing brute force, implementation, strings	1000	x8655
1277D	Let's Play the Words? data structures, hashing, implementation, math	1800	x1818
1277B	Make Them Odd greedy, number theory	1200	x6530
1277A	Happy Birthday, Polycarp! implementation	1000	x7557
1276F	Asterisk Substrings string suffix structures	3300	x54
1276E	Four Stones constructive algorithms	3400	x22
1276D	Tree Elimination dp, trees	2600	x154
1276C	Beautiful Rectangle brute force, combinatorics, constructive algorithms, data structures, greedy, math	2300	x852
1276B	Two Fairs combinatorics, dfs and similar, dsu, graphs	1900	x2514
1276A	As Simple as One and Two dp, greedy	1300	x6300
1275F	Шардирование постов *special problem, binary search, interactive		x91
1275E3	Контрольная сумма *special problem		x56
1275E2	Контрольная сумма *special problem		x130
1275E1	Контрольная сумма *special problem		x254
1275D	Storage2 *special problem		x419
1275C	#define Задача B ... *special problem		x652
1275B	Code Review *special problem		x802
1275A	Скрытый друг *special problem		x862
1272F	Two Bracket Sequences dp, strings, two pointers	2400	x816
1272E	Nearest Opposite Parity dfs and similar, graphs, shortest paths	2000	x2486
1272D	Remove One Element brute force, dp	1500	x6091
1272C	Yet Another Broken Keyboard combinatorics, dp, implementation	1100	x9019
1272B	Snow Walking Robot constructive algorithms, greedy, implementation	1200	x7593
1272A	Three Friends brute force, greedy, math, sortings	900	x11194
1271F	Divide The Students brute force	3000	x89
1271E	Common Number binary search, combinatorics, dp, math	2100	x1651
1271D	Portals data structures, dp, greedy, implementation, sortings	2100	x1255
1271C	Shawarma Tent brute force, geometry, greedy, implementation	1300	x5893
1271B	Blocks greedy, math	1300	x6165
1271A	Suits brute force, greedy, math	900	x9444
1270I	Xor on Figures constructive algorithms, fft, math	3400	x54
1270H	Number of Components data structures	3200	x130
1270G	Subset with Zero Sum constructive algorithms, dfs and similar, graphs, math	2700	x696
1270F	Awesome Substrings math, strings	2600	x537
1270E	Divide Points constructive algorithms, geometry, math	2300	x1356
1270D	Strange Device constructive algorithms, interactive, math, sortings	1900	x3063
1270C	Make Good bitmasks, constructive algorithms, math	1500	x7308
1270B	Interesting Subarray constructive algorithms, greedy, math	1300	x9057
1270A	Card Game games, greedy, math	700	x11904
1269B	Modulo Equality brute force, sortings	1500	x5265
1269A	Equation brute force, math	800	x10429
1268E	Happy Cactus dp	3400	x69
1268D	Invertation in Tournament brute force, divide and conquer, graphs, math	3100	x111
1268C	K Integers binary search, data structures	2300	x950
1268B	Domino for Young dp, greedy, math	2000	x3112
1268A	Long Beautiful Integer constructive algorithms, greedy, implementation, strings	1700	x4827
1267L	Lexicography constructive algorithms, strings	1800	x1427
1267K	Key Storage combinatorics, math	2200	x921
1267J	Just Arrange the Icons greedy, implementation, math	1900	x1249
1267I	Intriguing Selection brute force, constructive algorithms, implementation, interactive, sortings	2700	x420
1267H	Help BerLine constructive algorithms	3500	x40
1267G	Game Relics math, probabilities	3100	x119
1267F	Foolprüf Security graphs	2800	x270
1267E	Elections greedy	1700	x1475
1267D	DevOps Best Practices constructive algorithms	3200	x127
1267C	Cactus Revenge constructive algorithms	3400	x326
1267B	Balls of Buma	1300	x1862
1267A	Apprentice Learning Trajectory	2500	x480
1266H	Red-Blue Graph dp, graphs, math, matrices, meet-in-the-middle	3400	x17
1266G	Permutation Concatenation string suffix structures	3300	x21