Problemset - Codeforces

Problems

#	Name
1611B	Team Composition: Programmers and Mathematicians binary search, constructive algorithms, math	800	x29848
1611A	Make Even constructive algorithms, math	800	x31627
1610I	Mashtali vs AtCoder games, trees	3100	x286
1610H	Squid Game data structures, dfs and similar, greedy, trees	3100	x503
1610G	AmShZ Wins a Bet data structures, greedy, hashing	3300	x466
1610F	Mashtali: a Space Oddysey constructive algorithms, dfs and similar, graphs	3000	x543
1610E	AmShZ and G.O.A.T. binary search, brute force, greedy, implementation, math	2300	x1714
1610D	Not Quite Lee combinatorics, dp, math, number theory	2000	x2743
1610C	Keshi Is Throwing a Party binary search, greedy	1600	x11770
1610B	Kalindrome Array greedy, two pointers	1100	x16236
1610A	Anti Light's Cell Guessing math	900	x16187
1609H	Pushing Robots	3500	x94
1609G	A Stroll Around the Matrix data structures, greedy, math	3000	x405
1609F	Interesting Sections data structures, divide and conquer, meet-in-the-middle, two pointers	2800	x803
1609E	William The Oblivious bitmasks, data structures, dp, matrices	2400	x2140
1609D	Social Network dsu, graphs, greedy, implementation, trees	1600	x7365
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9808
1609B	William the Vigilant implementation, strings	1100	x11734
1609A	Divide and Multiply greedy, implementation, math, number theory	900	x17221
1608G	Alphabetic Tree binary search, data structures, dfs and similar, hashing, string suffix structures, strings, trees	3500	x162
1608F	MEX counting combinatorics, dp, implementation	3200	x613
1608E	The Cells on the Paper binary search, implementation, sortings	2800	x444
1608D	Dominoes combinatorics, fft, graphs, math, number theory	2400	x1407
1608C	Game Master data structures, dfs and similar, dp, graphs, greedy, two pointers	1700	x6750
1608B	Build the Permutation constructive algorithms, greedy	1200	x11789
1608A	Find Array constructive algorithms, math	800	x19146
1607H	Banquet Preparations 2 greedy, sortings, two pointers	2200	x1260
1607G	Banquet Preparations 1 greedy	2200	x1574
1607F	Robot on the Board 2 brute force, dfs and similar, graphs, implementation	2300	x1964
1607E	Robot on the Board 1 implementation	1600	x9406
1607D	Blue-Red Permutation greedy, math, sortings	1300	x16990
1607C	Minimum Extraction brute force, sortings	1000	x25179
1607B	Odd Grasshopper math	900	x26894
1607A	Linear Keyboard implementation, strings	800	x37681
1606F	Tree Queries brute force, dp, trees	2800	x566
1606E	Arena combinatorics, dp, math	2100	x3589
1606D	Red-Blue Matrix brute force, constructive algorithms, implementation, sortings	2400	x1466
1606C	Banknotes greedy, number theory	1400	x14256
1606B	Update Files greedy, implementation, math	1100	x18748
1606A	AB Balance strings	900	x25274
1605F	PalindORme combinatorics, dp	2900	x307
1605E	Array Equalizer binary search, greedy, implementation, math, number theory, sortings, two pointers	2400	x1061
1605D	Treelabeling bitmasks, constructive algorithms, dfs and similar, games, greedy, implementation, trees	2100	x2964
1605C	Dominant Character brute force, greedy, implementation, strings	1400	x17149
1605B	Reverse Sort greedy, sortings	1000	x18152
1605A	A.M. Deviation math, number theory	800	x20708
1604B	XOR Specia-LIS-t	1100	x15750
1604A	Era greedy	800	x21650
1603F	October 18, 2017 combinatorics, dp, implementation, math	2700	x287
1603E	A Perfect Problem combinatorics, dp, math	3200	x484
1603D	Artistic Partition divide and conquer, dp, number theory	3000	x695
1603C	Extreme Extension dp, greedy, math, number theory	2300	x2066
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x13709
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x16781
1602B	Divine Array constructive algorithms, implementation	1100	x14166
1602A	Two Subsequences implementation	800	x19072
1601F	Two Sorts binary search, dfs and similar, math, meet-in-the-middle	3400	x188
1601E	Phys Ed Online data structures, dp, greedy	2900	x486
1601D	Difficult Mountain data structures, dp, greedy, sortings	2700	x1487
1601C	Optimal Insertion data structures, divide and conquer, dp, greedy, sortings	2300	x2063
1601B	Frog Traveler data structures, dfs and similar, dp, graphs, shortest paths, two pointers	1900	x5035
1601A	Array Elimination bitmasks, greedy, math, number theory	1300	x14889
1600J	Robot Factory bitmasks, dfs and similar	1400	x3971
1600F	Party Organization brute force, math, probabilities	2300	x499
1600E	Array Game games, greedy, two pointers	1900	x2132
1599J	Bob's Beautiful Array bitmasks, brute force, greedy	2600	x303
1599I	Desert data structures, graphs	2700	x121
1599H	Hidden Fortress interactive, math	2100	x1080
1599G	Shortest path brute force, geometry, math, shortest paths	2700	x371
1599F	Mars hashing	2700	x339
1599E	Two Arrays data structures, matrices	3200	x67
1599D	Bubble Popping	3200	x30
1599C	Bubble Strike combinatorics, math, probabilities, ternary search	2000	x1690
1599B	Restaurant Game	3100	x143
1599A	Weights constructive algorithms, greedy, two pointers	2600	x692
1598G	The Sum of Good Numbers hashing, math, string suffix structures, strings	3200	x341
1598F	RBS binary search, bitmasks, brute force, data structures, dp	2400	x1449
1598E	Staircases brute force, combinatorics, data structures, dfs and similar, dp, implementation, math	2100	x2335
1598D	Training Session combinatorics, data structures, geometry, implementation, math	1700	x8795
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x21147
1598B	Groups brute force, implementation	1000	x16159
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x23592
1594F	Ideal Farm constructive algorithms, math	2400	x1382
1594E2	Rubik's Cube Coloring (hard version) brute force, dp, implementation, math, trees	2300	x1496
1594E1	Rubik's Cube Coloring (easy version) combinatorics, math	1300	x11251
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x7614
1594C	Make Them Equal brute force, greedy, math, strings	1200	x19911
1594B	Special Numbers bitmasks, math	1100	x20105
1594A	Consecutive Sum Riddle math	800	x24908
1593G	Changing Brackets constructive algorithms, data structures, dp, greedy	2200	x1730
1593F	Red-Black Number dfs and similar, dp, implementation, math, meet-in-the-middle	2100	x2473
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x12596
1593D2	Half of Same brute force, math, number theory	1900	x5088
1593D1	All are Same math, number theory	1100	x20341
1593C	Save More Mice binary search, greedy, greedy	1000	x25110
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x27786
1593A	Elections math	800	x37163
1592F2	Alice and Recoloring 2 constructive algorithms, flows, graph matchings, greedy	2800	x778
1592F1	Alice and Recoloring 1 constructive algorithms, greedy	2600	x916
1592E	Bored Bakry bitmasks, greedy, math, two pointers	2400	x1670