Problemset - Codeforces

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Codeforces Round #605 (Div. 3)
33:12:45
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dsu

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Problems

#	Name
1249B1	Books Exchange (easy version) dsu, math	1000	x9750
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1400	x9533
277A	Learning Languages dfs and similar, dsu	1500	x8536
501B	Misha and Changing Handles data structures, dsu, strings	1100	x7838
1249B2	Books Exchange (hard version) dfs and similar, dsu, math	1300	x7250
771A	Bear and Friendship Condition dfs and similar, dsu, graphs	1500	x6699
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x6115
1167C	News Distribution dfs and similar, dsu, graphs	1400	x6098
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x5835
902B	Coloring a Tree dfs and similar, dsu, greedy	1300	x5834
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1500	x5762
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x5742
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1500	x5682
959B	Mahmoud and Ehab and the message dsu, greedy, implementation	1300	x5636
356A	Knight Tournament data structures, dsu	1700	x5604
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x5395
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x5325
515B	Drazil and His Happy Friends brute force, dsu, meet-in-the-middle, number theory	1400	x5303
1130C	Connect brute force, dfs and similar, dsu	1400	x4747
722C	Destroying Array data structures, dsu	1600	x4533
103B	Cthulhu dfs and similar, dsu, graphs	1600	x4491
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1700	x4472
723D	Lakes in Berland dfs and similar, dsu, graphs, greedy, implementation	1600	x4445
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x4420
1263D	Secret Passwords dfs and similar, dsu, graphs	1500	x4336
886C	Petya and Catacombs dsu, greedy, implementation, trees	1300	x4251
731C	Socks dfs and similar, dsu, graphs, greedy	1600	x4230
490B	Queue dsu, implementation	1500	x4114
547B	Mike and Feet binary search, data structures, dp, dsu	2100	x4066
843A	Sorting by Subsequences dfs and similar, dsu, implementation, math, sortings	1400	x4007
875B	Sorting the Coins dsu, implementation, sortings, two pointers	1500	x3973
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x3777
1209D	Cow and Snacks dfs and similar, dsu, graphs	1700	x3734
939D	Love Rescue dfs and similar, dsu, graphs, greedy, strings	1600	x3729
698B	Fix a Tree constructive algorithms, dfs and similar, dsu, graphs, trees	1700	x3695
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x3672
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1700	x3547
1131F	Asya And Kittens constructive algorithms, dsu	1700	x3493
25D	Roads not only in Berland dsu, graphs, trees	1900	x3441
1055B	Alice and Hairdresser dsu, implementation	1300	x3223
600E	Lomsat gelral data structures, dfs and similar, dsu, trees	2300	x3123
455C	Civilization dfs and similar, dp, dsu, ternary search, trees	2200	x3059
1242B	0-1 MST dfs and similar, dsu, graphs, sortings	1900	x2933
1245D	Shichikuji and Power Grid dsu, graphs, greedy, shortest paths, trees	1900	x2858
371D	Vessels data structures, dsu, implementation, trees	1900	x2812
472D	Design Tutorial: Inverse the Problem dfs and similar, dsu, shortest paths, trees	1900	x2741
60B	Serial Time! dfs and similar, dsu	1500	x2609
468B	Two Sets 2-sat, dfs and similar, dsu, graph matchings, greedy	2000	x2514
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	2000	x2496
776D	The Door Problem 2-sat, dfs and similar, dsu, graphs	2000	x2372
609E	Minimum spanning tree for each edge data structures, dfs and similar, dsu, graphs, trees	2100	x2330
670E	Correct Bracket Sequence Editor data structures, dsu, strings	1700	x2317
1012B	Chemical table constructive algorithms, dfs and similar, dsu, graphs, matrices	1900	x2274
691D	Swaps in Permutation dfs and similar, dsu, math	1700	x2267
920E	Connected Components? data structures, dfs and similar, dsu, graphs	2100	x2244
1095F	Make It Connected dsu, graphs, greedy	2000	x2239
920F	SUM and REPLACE brute force, data structures, dsu, number theory	2000	x2237
437D	The Child and Zoo dsu, sortings	2100	x2149
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x2029
765D	Artsem and Saunders constructive algorithms, dsu, math	1700	x2028
436C	Dungeons and Candies dsu, graphs, greedy, trees	1800	x1988
28B	pSort dfs and similar, dsu, graphs	1600	x1944
1131D	Gourmet choice dfs and similar, dp, dsu, graphs, greedy	2000	x1932
766D	Mahmoud and a Dictionary data structures, dfs and similar, dp, dsu, graphs	2000	x1927
603B	Moodular Arithmetic combinatorics, dfs and similar, dsu, math, number theory	2000	x1924
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1600	x1846
400D	Dima and Bacteria dsu, graphs, shortest paths	2000	x1720
13E	Holes data structures, dsu	2700	x1680
6E	Exposition binary search, data structures, dsu, trees, two pointers	1900	x1674
109C	Lucky Tree dp, dsu, trees	2000	x1666
817D	Imbalanced Array data structures, divide and conquer, dsu, sortings	2000	x1655
1209G1	Into Blocks (easy version) data structures, dsu, greedy, implementation, two pointers	2000	x1621
788B	Weird journey combinatorics, constructive algorithms, dfs and similar, dsu, graphs	2200	x1590
292D	Connected Components data structures, dfs and similar, dp, dsu	1900	x1502
566D	Restructuring Company data structures, dsu	1900	x1499
982D	Shark brute force, data structures, dsu, trees	1900	x1489
1156D	0-1-Tree dfs and similar, divide and conquer, dp, dsu, trees	2300	x1471
650C	Table Compression dfs and similar, dp, dsu, graphs, greedy	2300	x1346
228E	The Road to Berland is Paved With Good Intentions 2-sat, dfs and similar, dsu, graphs	2000	x1346
1133F2	Spanning Tree with One Fixed Degree constructive algorithms, dfs and similar, dsu, graphs, greedy	2200	x1311
553C	Love Triangles dfs and similar, dsu, graphs	2300	x1264
1220E	Tourism dfs and similar, dp, dsu, graphs, greedy, trees	2200	x1255
899E	Segments Removal data structures, dsu, flows, implementation, two pointers	2100	x1241
659F	Polycarp and Hay dfs and similar, dsu, graphs, greedy, sortings	2100	x1231
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2300	x1230
1213F	Unstable String Sort data structures, dfs and similar, dsu, graphs, greedy, implementation, strings	2400	x1225
1108F	MST Unification binary search, dsu, graphs, greedy	2300	x1209
1156E	Special Segments of Permutation data structures, divide and conquer, dsu, two pointers	2400	x1205
177C2	Party brute force, dfs and similar, dsu, graphs	1500	x1205
177C1	Party dfs and similar, dsu, graphs	1500	x1182
986C	AND Graph bitmasks, dfs and similar, dsu, graphs	2300	x1178
1009F	Dominant Indices data structures, dsu, trees	2300	x1163
466E	Information Graph dfs and similar, dsu, graphs, trees	2400	x1123
160D	Edges in MST dfs and similar, dsu, graphs, sortings	2500	x1044
859E	Desk Disorder combinatorics, dfs and similar, dsu, graphs, trees	2100	x1029
723F	st-Spanning Tree dsu, graphs, greedy, implementation	2200	x992
506D	Mr. Kitayuta's Colorful Graph brute force, dfs and similar, dsu, graphs	2300	x985
500E	New Year Domino data structures, dp, dsu	2200	x962
979D	Kuro and GCD and XOR and SUM binary search, bitmasks, brute force, data structures, dp, dsu, greedy, math, number theory, strings, trees	2200	x945
891C	Envy data structures, dsu, graphs	2500	x921

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