Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
00:18:08
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Problems

#	Name
1612C	Chat Ban binary search, math	1300	x17223
1612B	Special Permutation constructive algorithms, greedy	900	x17167
1612A	Distance brute force, constructive algorithms	800	x17641
1611G	Robot and Candies data structures, graph matchings, greedy	2500	x639
1611F	ATM and Students binary search, data structures, two pointers	1800	x6426
1611E2	Escape The Maze (hard version) dfs and similar, dp, greedy, shortest paths, trees	1900	x3807
1611E1	Escape The Maze (easy version) dfs and similar, greedy, shortest paths, trees, two pointers	1700	x7247
1611D	Weights Assignment For Tree Edges constructive algorithms, trees	1500	x9825
1611C	Polycarp Recovers the Permutation constructive algorithms	1000	x18316
1611B	Team Composition: Programmers and Mathematicians binary search, constructive algorithms, math	800	x29434
1611A	Make Even constructive algorithms, math	800	x31360
1610I	Mashtali vs AtCoder games, trees	3100	x283
1610H	Squid Game data structures, dfs and similar, greedy, trees	3100	x492
1610G	AmShZ Wins a Bet data structures, greedy, hashing	3300	x440
1610F	Mashtali: a Space Oddysey constructive algorithms, dfs and similar, graphs	3000	x531
1610E	AmShZ and G.O.A.T. binary search, brute force, greedy, implementation, math	2300	x1668
1610D	Not Quite Lee combinatorics, dp, math, number theory	2000	x2696
1610C	Keshi Is Throwing a Party binary search, greedy	1600	x11505
1610B	Kalindrome Array greedy, two pointers	1100	x15790
1610A	Anti Light's Cell Guessing math	900	x16070
1609H	Pushing Robots	3500	x92
1609G	A Stroll Around the Matrix data structures, greedy, math	3000	x398
1609F	Interesting Sections data structures, divide and conquer, meet-in-the-middle, two pointers	2800	x776
1609E	William The Oblivious bitmasks, data structures, dp, matrices	2400	x2068
1609D	Social Network dsu, graphs, greedy, implementation, trees	1600	x7277
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9709
1609B	William the Vigilant implementation, strings	1100	x11679
1609A	Divide and Multiply greedy, implementation, math, number theory	900	x17069
1608G	Alphabetic Tree binary search, data structures, dfs and similar, hashing, string suffix structures, strings, trees	3500	x157
1608F	MEX counting combinatorics, dp, implementation	3200	x584
1608E	The Cells on the Paper binary search, implementation, sortings	2800	x434
1608D	Dominoes combinatorics, fft, graphs, math, number theory	2400	x1384
1608C	Game Master data structures, dfs and similar, dp, graphs, greedy, two pointers	1700	x6624
1608B	Build the Permutation constructive algorithms, greedy	1200	x11662
1608A	Find Array constructive algorithms, math	800	x19022
1607H	Banquet Preparations 2 greedy, sortings, two pointers	2200	x1229
1607G	Banquet Preparations 1 greedy	2200	x1551
1607F	Robot on the Board 2 brute force, dfs and similar, graphs, implementation	2300	x1935
1607E	Robot on the Board 1 implementation	1600	x9293
1607D	Blue-Red Permutation greedy, math, sortings	1300	x16806
1607C	Minimum Extraction brute force, sortings	1000	x24906
1607B	Odd Grasshopper math	900	x26170
1607A	Linear Keyboard implementation, strings	800	x37282
1606F	Tree Queries brute force, dp, trees	2800	x558
1606E	Arena combinatorics, dp, math	2100	x3509
1606D	Red-Blue Matrix brute force, constructive algorithms, implementation, sortings	2400	x1434
1606C	Banknotes greedy, number theory	1400	x14111
1606B	Update Files greedy, implementation, math	1100	x18638
1606A	AB Balance strings	900	x24486
1605F	PalindORme combinatorics, dp	2900	x302
1605E	Array Equalizer binary search, greedy, implementation, math, number theory, sortings, two pointers	2400	x1029
1605D	Treelabeling bitmasks, constructive algorithms, dfs and similar, games, greedy, implementation, trees	2100	x2923
1605C	Dominant Character brute force, greedy, implementation, strings	1400	x16906
1605B	Reverse Sort greedy, sortings	1000	x17998
1605A	A.M. Deviation math, number theory	800	x20583
1604B	XOR Specia-LIS-t	1100	x15627
1604A	Era greedy	800	x21428
1603F	October 18, 2017 combinatorics, dp, implementation, math	2700	x279
1603E	A Perfect Problem combinatorics, dp, math	3200	x421
1603D	Artistic Partition divide and conquer, dp, number theory	3000	x672
1603C	Extreme Extension dp, greedy, math, number theory	2300	x2034
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x13503
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x16597
1602B	Divine Array constructive algorithms, implementation	1100	x14061
1602A	Two Subsequences implementation	800	x18959
1601F	Two Sorts binary search, dfs and similar, math, meet-in-the-middle	3400	x176
1601E	Phys Ed Online data structures, dp, greedy	2900	x474
1601D	Difficult Mountain data structures, dp, greedy, sortings	2700	x1445
1601C	Optimal Insertion data structures, divide and conquer, dp, greedy, sortings	2300	x2005
1601B	Frog Traveler data structures, dfs and similar, dp, graphs, shortest paths, two pointers	1900	x4935
1601A	Array Elimination bitmasks, greedy, math, number theory	1300	x14510
1600J	Robot Factory bitmasks, dfs and similar	1400	x3890
1600F	Party Organization brute force, math, probabilities	2300	x485
1600E	Array Game games, greedy, two pointers	1900	x2086
1599J	Bob's Beautiful Array bitmasks, brute force, greedy	2600	x298
1599I	Desert data structures, graphs	2700	x119
1599H	Hidden Fortress interactive, math	2100	x1048
1599G	Shortest path brute force, geometry, math, shortest paths	2700	x370
1599F	Mars hashing	2700	x335
1599E	Two Arrays data structures, matrices	3200	x67
1599D	Bubble Popping	3200	x30
1599C	Bubble Strike combinatorics, math, probabilities, ternary search	2000	x1645
1599B	Restaurant Game	3100	x139
1599A	Weights constructive algorithms, greedy, two pointers	2600	x675
1598G	The Sum of Good Numbers hashing, math, string suffix structures, strings	3200	x331
1598F	RBS binary search, bitmasks, brute force, data structures, dp	2400	x1417
1598E	Staircases brute force, combinatorics, data structures, dfs and similar, dp, implementation, math	2100	x2295
1598D	Training Session combinatorics, data structures, geometry, implementation, math	1700	x8634
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x20743
1598B	Groups brute force, implementation	1000	x16042
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x23249
1594F	Ideal Farm constructive algorithms, math	2400	x1338
1594E2	Rubik's Cube Coloring (hard version) brute force, dp, implementation, math, trees	2300	x1480
1594E1	Rubik's Cube Coloring (easy version) combinatorics, math	1300	x11073
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x7462
1594C	Make Them Equal brute force, greedy, math, strings	1200	x19306
1594B	Special Numbers bitmasks, math	1100	x19843
1594A	Consecutive Sum Riddle math	800	x24409
1593G	Changing Brackets constructive algorithms, data structures, dp, greedy	2200	x1682
1593F	Red-Black Number dfs and similar, dp, implementation, math, meet-in-the-middle	2100	x2432