Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
25:45:57
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Codeforces Round 941 (Div. 2)
25:45:57
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Problems

#	Name
1606B	Update Files greedy, implementation, math	1100	x18200
1606A	AB Balance strings	900	x22664
1605F	PalindORme combinatorics, dp	2900	x284
1605E	Array Equalizer binary search, greedy, implementation, math, number theory, sortings, two pointers	2400	x995
1605D	Treelabeling bitmasks, constructive algorithms, dfs and similar, games, greedy, implementation, trees	2100	x2832
1605C	Dominant Character brute force, greedy, implementation, strings	1400	x16284
1605B	Reverse Sort greedy, sortings	1000	x17612
1605A	A.M. Deviation math, number theory	800	x20315
1604B	XOR Specia-LIS-t	1100	x15430
1604A	Era greedy	800	x21093
1603F	October 18, 2017 combinatorics, dp, implementation, math	2700	x266
1603E	A Perfect Problem combinatorics, dp, math	3200	x399
1603D	Artistic Partition divide and conquer, dp, number theory	3000	x609
1603C	Extreme Extension dp, greedy, math, number theory	2300	x1971
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x13045
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x16082
1602B	Divine Array constructive algorithms, implementation	1100	x13815
1602A	Two Subsequences implementation	800	x18724
1601F	Two Sorts binary search, dfs and similar, math, meet-in-the-middle	3400	x167
1601E	Phys Ed Online data structures, dp, greedy	2900	x461
1601D	Difficult Mountain data structures, dp, greedy, sortings	2700	x1363
1601C	Optimal Insertion data structures, divide and conquer, dp, greedy, sortings	2300	x1913
1601B	Frog Traveler data structures, dfs and similar, dp, graphs, shortest paths, two pointers	1900	x4759
1601A	Array Elimination bitmasks, greedy, math, number theory	1300	x13140
1600J	Robot Factory bitmasks, dfs and similar	1400	x3770
1600F	Party Organization brute force, math, probabilities	2300	x432
1600E	Array Game games, greedy, two pointers	1900	x1912
1599J	Bob's Beautiful Array bitmasks, brute force, greedy	2600	x283
1599I	Desert data structures, graphs	2700	x112
1599H	Hidden Fortress interactive, math	2100	x1007
1599G	Shortest path brute force, geometry, math, shortest paths	2700	x357
1599F	Mars hashing	2700	x302
1599E	Two Arrays data structures, matrices	3200	x66
1599D	Bubble Popping	3200	x28
1599C	Bubble Strike combinatorics, math, probabilities, ternary search	2000	x1549
1599B	Restaurant Game	3100	x132
1599A	Weights constructive algorithms, greedy, two pointers	2600	x633
1598G	The Sum of Good Numbers hashing, math, string suffix structures, strings	3200	x323
1598F	RBS binary search, bitmasks, brute force, data structures, dp	2400	x1322
1598E	Staircases brute force, combinatorics, data structures, dfs and similar, dp, implementation, math	2100	x2231
1598D	Training Session combinatorics, data structures, geometry, implementation, math	1700	x8387
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x19995
1598B	Groups brute force, implementation	1000	x15772
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x22704
1594F	Ideal Farm constructive algorithms, math	2400	x1258
1594E2	Rubik's Cube Coloring (hard version) brute force, dp, implementation, math, trees	2300	x1445
1594E1	Rubik's Cube Coloring (easy version) combinatorics, math	1300	x10843
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x7071
1594C	Make Them Equal brute force, greedy, math, strings	1200	x17826
1594B	Special Numbers bitmasks, math	1100	x18774
1594A	Consecutive Sum Riddle math	800	x23768
1593G	Changing Brackets constructive algorithms, data structures, dp, greedy	2200	x1612
1593F	Red-Black Number dfs and similar, dp, implementation, math, meet-in-the-middle	2100	x2323
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x11619
1593D2	Half of Same brute force, math, number theory	1900	x4786
1593D1	All are Same math, number theory	1100	x19536
1593C	Save More Mice binary search, greedy, greedy	1000	x23837
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x25060
1593A	Elections math	800	x35441
1592F2	Alice and Recoloring 2 constructive algorithms, flows, graph matchings, greedy	2800	x663
1592F1	Alice and Recoloring 1 constructive algorithms, greedy	2600	x760
1592E	Bored Bakry bitmasks, greedy, math, two pointers	2400	x1542
1592D	Hemose in ICPC ? binary search, dfs and similar, implementation, interactive, math, number theory, trees	2300	x2156
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x7582
1592B	Hemose Shopping constructive algorithms, dsu, math, sortings	1200	x15556
1592A	Gamer Hemose binary search, greedy, math, sortings	800	x21554
1588F	Jumping Through the Array binary search, data structures, graphs, two pointers	3500	x266
1586I	Omkar and Mosaic combinatorics, constructive algorithms, math	3500	x156
1585G	Poachers dp, games, graphs, trees	2500	x169
1585F	Non-equal Neighbours combinatorics, dp, math	2400	x1149
1585E	Frequency Queries data structures, dfs and similar, trees	2400	x1011
1585D	Yet Another Sorting Problem data structures, math	1900	x3619
1585C	Minimize Distance greedy	1300	x11481
1585B	Array Eversion greedy	900	x14784
1585A	Life of a Flower implementation	800	x17481
1584G	Eligible Segments geometry	3200	x201
1584F	Strange LCS bitmasks, dp, graphs, greedy, strings	2600	x836
1584E	Game with Stones binary search, data structures, games, greedy	2300	x1216
1584D	Guess the Permutation binary search, combinatorics, interactive, math	2000	x3514
1584C	Two Arrays greedy, math, sortings	900	x15839
1584B	Coloring Rectangles greedy, math	1000	x13057
1584A	Mathematical Addition math	800	x14606
1583H	Omkar and Tours data structures, divide and conquer, sortings, trees	3300	x313
1583G	Omkar and Time Travel data structures, math	3000	x400
1583F	Defender of Childhood Dreams bitmasks, constructive algorithms, divide and conquer	2500	x1219
1583E	Moment of Bloom constructive algorithms, dfs and similar, graph matchings, graphs, greedy, trees	2200	x2160
1583D	Omkar and the Meaning of Life constructive algorithms, greedy, interactive	1800	x5223
1583C	Omkar and Determination data structures, dp	1700	x6791
1583B	Omkar and Heavenly Tree constructive algorithms, trees	1200	x11920
1583A	Windblume Ode math, number theory	800	x13526
1582G	Kuzya and Homework data structures, number theory	2600	x560
1582F2	Korney Korneevich and XOR (hard version) binary search, brute force, dp, greedy, two pointers	2400	x1709
1582F1	Korney Korneevich and XOR (easy version) bitmasks, dp, greedy	1800	x5237
1582E	Pchelyonok and Segments binary search, data structures, dp, greedy, math	2000	x3576
1582D	Vupsen, Pupsen and 0 constructive algorithms, math	1600	x10095
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x14258
1582B	Luntik and Subsequences combinatorics, math	900	x18715
1582A	Luntik and Concerts math	800	x18248
1581B	Diameter of Graph constructive algorithms, graphs, greedy, math	1200	x11013
1581A	CQXYM Count Permutations combinatorics, math, number theory	800	x13237