Problemset - Codeforces

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Codeforces Round (Div. 2)
29:13:20
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Problems

#	Name
1994H	Fortnite combinatorics, constructive algorithms, games, greedy, hashing, interactive, math, number theory, strings		x78
1994G	Minecraft bitmasks, brute force, dp, math		x542
1994F	Stardew Valley constructive algorithms, dfs and similar, dsu, graphs, trees		x745
1994E	Wooden Game bitmasks, greedy, math, trees		x2806
1994D	Funny Game constructive algorithms, dsu, graph matchings, graphs, greedy, math, number theory, trees		x3719
1994C	Hungry Games binary search, dp, two pointers		x7777
1994B	Fun Game bitmasks, constructive algorithms, greedy, math		x12934
1994A	Diverse Game constructive algorithms, greedy		x16458
1992G	Ultra-Meow combinatorics, dp, math	2000	x2098
1992F	Valuable Cards brute force, dp, greedy, number theory, two pointers	1900	x4351
1992E	Novice's Mistake brute force, constructive algorithms, implementation, math, strings	1700	x7327
1992D	Test of Love dp, greedy, implementation	1200	x16588
1992C	Gorilla and Permutation constructive algorithms, math	900	x24441
1992B	Angry Monk greedy, math, sortings	800	x28546
1992A	Only Pluses brute force, constructive algorithms, greedy, math, sortings	800	x33526
1990F	Polygonal Segments data structures, divide and conquer, two pointers		x78
1990E2	Catch the Mole(Hard Version) binary search, data structures, dfs and similar, implementation, interactive, trees		x438
1990E1	Catch the Mole(Easy Version) binary search, constructive algorithms, data structures, interactive, trees		x487
1990D	Grid Puzzle bitmasks, dp, greedy, math		x3571
1990C	Mad MAD Sum brute force, greedy, math		x7043
1990B	Array Craft constructive algorithms, greedy		x11386
1990A	Submission Bait brute force, games, greedy, sortings		x15662
1989F	Simultaneous Coloring dfs and similar, divide and conquer, graphs	3000	x262
1989E	Distance to Different combinatorics, dp, math	2300	x1511
1989D	Smithing Skill brute force, data structures, dp, greedy, math, sortings, two pointers	1900	x4863
1989C	Two Movies greedy, math	1400	x15228
1989B	Substring and Subsequence brute force, greedy, strings	1200	x17190
1989A	Catch the Coin implementation	800	x23193
1988F	Heartbeat combinatorics, dp, fft, math	3000	x86
1988E	Range Minimum Sum binary search, brute force, data structures, divide and conquer, implementation	2300	x962
1988D	The Omnipotent Monster Killer brute force, dfs and similar, dp, trees	2000	x3660
1988C	Increasing Sequence with Fixed OR bitmasks, constructive algorithms, greedy	1300	x13185
1988B	Make Majority greedy, implementation	900	x18404
1988A	Split the Multiset brute force, greedy, implementation, math	900	x18930
1987H	Fumo Temple interactive	3500	x67
1987G2	Spinning Round (Hard Version) divide and conquer, dp, trees	3500	x80
1987G1	Spinning Round (Easy Version) divide and conquer, dp, trees	2900	x195
1987F2	Interesting Problem (Hard Version) dp	2600	x811
1987F1	Interesting Problem (Easy Version) dp	2500	x920
1987E	Wonderful Tree! brute force, data structures, dfs and similar, dsu, greedy, trees	2000	x2713
1987D	World is Mine dp, games	1800	x5876
1987C	Basil's Garden dp, greedy	1200	x14828
1987B	K-Sort greedy	1000	x17527
1987A	Upload More RAM greedy, math	800	x22084
1986G2	Permutation Problem (Hard Version) brute force, data structures, hashing, math, number theory	2500	x846
1986G1	Permutation Problem (Simple Version) binary search, brute force, combinatorics, data structures, math, number theory	2200	x1199
1986F	Non-academic Problem dfs and similar, graphs, trees	1900	x3649
1986E	Beautiful Array greedy, math, number theory, sortings	1700	x7357
1986D	Mathematical Problem brute force, dp, greedy, implementation, math, two pointers	1400	x13223
1986C	Update Queries data structures, greedy, sortings	1100	x20626
1986B	Matrix Stabilization brute force, data structures, greedy, sortings	1000	x23956
1986A	X Axis brute force, geometry, math, sortings	800	x35840
1985H2	Maximize the Largest Component (Hard Version) data structures, dfs and similar, dp, dsu, implementation	2200	x1261
1985H1	Maximize the Largest Component (Easy Version) brute force, data structures, dfs and similar, dsu, graphs, implementation	1700	x4641
1985G	D-Function combinatorics, math, number theory	1600	x7816
1985F	Final Boss binary search, data structures	1500	x12859
1985E	Secret Box brute force, combinatorics, math	1200	x17551
1985D	Manhattan Circle implementation, math	900	x30580
1985C	Good Prefixes greedy	1000	x28135
1985B	Maximum Multiple Sum brute force, math, number theory	800	x40104
1985A	Creating Words implementation, strings	800	x44856
1984H	Tower Capturing combinatorics, dp, geometry	3300	x141
1984G	Magic Trick II constructive algorithms, implementation, sortings	3200	x201
1984F	Reconstruction brute force, dp, math	2500	x799
1984E	Shuffle dp, greedy, trees	2400	x1220
1984D	''a'' String Problem brute force, hashing, implementation, math, string suffix structures, strings	2000	x2834
1984C2	Magnitude (Hard Version) combinatorics, dp, greedy, math	1700	x6459
1984C1	Magnitude (Easy Version) dp, greedy, math	1300	x14470
1984B	Large Addition implementation, math	1100	x16518
1984A	Strange Splitting constructive algorithms	800	x19506
1983G	Your Loss bitmasks, brute force, dp, trees	3000	x161
1983F	array-value binary search, bitmasks, data structures, greedy, two pointers	2500	x935
1983E	I Love Balls combinatorics, math, probabilities	2300	x1656
1983D	Swap Dilemma constructive algorithms, data structures, divide and conquer, greedy, math, sortings	1700	x6924
1983C	Have Your Cake and Eat It Too binary search, brute force, greedy, implementation	1400	x10683
1983B	Corner Twist constructive algorithms, greedy, implementation, math	1200	x14213
1983A	Array Divisibility constructive algorithms, math	800	x23170
1982F	Sorting Problem Again binary search, data structures, sortings	2600	x787
1982E	Number of k-good subarrays bitmasks, brute force, combinatorics, divide and conquer, dp, math, meet-in-the-middle	2300	x1333
1982D	Beauty of the mountains brute force, data structures, implementation, math, number theory	1700	x6099
1982C	Boring Day binary search, data structures, dp, greedy, two pointers	1200	x15043
1982B	Collatz Conjecture brute force, implementation, math, number theory	1200	x15012
1982A	Soccer greedy, implementation, math, sortings	800	x22767
1981F	Turtle and Paths on a Tree data structures, dp, trees	3000	x208
1981E	Turtle and Intersected Segments data structures, dsu, graphs, greedy	2600	x701
1981D	Turtle and Multiplication constructive algorithms, dfs and similar, graphs, number theory	2400	x1363
1981C	Turtle and an Incomplete Sequence bitmasks, brute force, constructive algorithms, greedy, implementation, math	1800	x4558
1981B	Turtle and an Infinite Sequence bitmasks, math	1300	x12267
1981A	Turtle and Piggy Are Playing a Game brute force, greedy, math	800	x20583
1980G	Yasya and the Mysterious Tree bitmasks, data structures, dfs and similar, graphs, greedy, strings, trees	2300	x1017
1980F2	Field Division (hard version) math, sortings	2400	x852
1980F1	Field Division (easy version) data structures, math, sortings	1900	x3310
1980E	Permutation of Rows and Columns constructive algorithms, data structures, greedy, hashing, implementation, math, matrices, sortings	1600	x9185
1980D	GCD-sequence greedy, implementation, math, number theory	1400	x12778
1980C	Sofia and the Lost Operations constructive algorithms, greedy	1300	x16905
1980B	Choosing Cubes sortings, sortings	800	x32117
1980A	Problem Generator math	800	x37205
1979F	Kostyanych's Theorem brute force, constructive algorithms, graphs, interactive	2900	x248
1979E	Manhattan Triangle binary search, constructive algorithms, data structures, geometry, implementation, two pointers	2400	x1230
1979D	Fixing a Binary String bitmasks, brute force, constructive algorithms, dp, greedy, hashing, strings	1800	x5830

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