Problemset - Codeforces

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Codeforces Round 976 (Div. 2) and Divide By Zero 9.0
10:18:08
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Problems

#	Name
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2763
1863D	Two-Colored Dominoes constructive algorithms, greedy	1400	x9479
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2863
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x6229
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x10672
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x203
1861E	Non-Intersecting Subpermutations combinatorics, dp, implementation, math	2300	x1719
1861D	Sorting By Multiplication dp, greedy	1800	x6747
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x10091
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x274
1860E	Fast Travel Text Editor data structures, dfs and similar, graphs, shortest paths	2400	x1394
1860D	Balanced String dp	2200	x2975
1860C	Game on Permutation data structures, dp, games, greedy	1400	x13288
1859F	Teleportation in Byteland data structures, dfs and similar, divide and conquer, graphs, shortest paths, trees	3200	x398
1859E	Maximum Monogonosity brute force, dp, math	2500	x1769
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6980
1858E2	Rollbacks (Hard Version) data structures, interactive, trees	2600	x1064
1858E1	Rollbacks (Easy Version) brute force, data structures, dfs and similar, trees	2500	x1326
1858D	Trees and Segments brute force, data structures, dp, greedy, two pointers	2200	x2816
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x11284
1857G	Counting Graphs combinatorics, divide and conquer, dsu, graphs, greedy, sortings, trees	2000	x4432
1857F	Sum and Product binary search, data structures, math	1600	x11487
1857E	Power of Points math, sortings	1500	x12404
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1377
1856E1	PermuTree (easy version) dfs and similar, dp, trees	1800	x5282
1856D	More Wrong divide and conquer, interactive	2100	x3246
1856C	To Become Max binary search, brute force, data structures, dp	1600	x12293
1854F	Mark and Spaceship brute force, dp	3500	x120
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x427
1854D	Michael and Hotel binary search, interactive, trees	3000	x542
1854C	Expected Destruction combinatorics, dp, math, probabilities	2500	x1482
1854B	Earn or Unlock bitmasks, brute force, dp	2200	x3519
1854A2	Dual (Hard Version) constructive algorithms, math	1900	x6986
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x14078
1852F	Panda Meetups data structures, dp, flows	3500	x106
1852E	Rivalries constructive algorithms, data structures, greedy	3400	x166
1852D	Miriany and Matchstick constructive algorithms, dp, greedy	2800	x459
1852C	Ina of the Mountain data structures, dp, greedy, math	2400	x1557
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4459
1852A	Ntarsis' Set binary search, math, number theory	1800	x8033
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x3215
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5813
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x10297
1850H	The Third Letter dfs and similar, dsu, graphs, greedy, implementation	1700	x8176
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x12350
1849F	XOR Partition binary search, bitmasks, data structures, divide and conquer, greedy, trees	2700	x717
1849E	Max to the Right of Min binary search, data structures, divide and conquer, dp, dsu, two pointers	2300	x1643
1849D	Array Painting constructive algorithms, greedy, two pointers	1700	x8451
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x10492
1848F	Vika and Wiki binary search, bitmasks, combinatorics, divide and conquer, dp, math	2400	x1541
1848E	Vika and Stone Skipping brute force, implementation, math, number theory	2600	x784
1848D	Vika and Bonuses binary search, brute force, math, ternary search	2200	x2612
1848C	Vika and Price Tags math, number theory	1800	x6285
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x892
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x329
1847D	Professor Higashikata data structures, dsu, greedy, implementation, strings	1900	x3773
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12846
1846G	Rudolf and CodeVid-23 bitmasks, dp, graphs, greedy, shortest paths	1900	x4379
1846F	Rudolph and Mimic constructive algorithms, implementation, interactive	1800	x3104
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x7017
1845F	Swimmers in the Pool dp, fft, math, number theory	2800	x371
1845E	Boxes and Balls dp, implementation, math	2500	x1318
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7802
1845C	Strong Password binary search, dp, greedy, strings	1400	x14209
1844H	Multiple of Three Cycles combinatorics, data structures, dp, dsu, math	3400	x137
1844G	Tree Weights bitmasks, constructive algorithms, data structures, dfs and similar, implementation, math, matrices, number theory, trees	3000	x722
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x401
1844F1	Min Cost Permutation (Easy Version) brute force, constructive algorithms, greedy, math	2600	x778
1844E	Great Grids 2-sat, constructive algorithms, dfs and similar, dsu, graphs	2400	x1876
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x12266
1843F2	Omsk Metro (hard version) data structures, dfs and similar, divide and conquer, dp, math, trees	2300	x1595
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x5299
1843E	Tracking Segments binary search, brute force, data structures, two pointers	1600	x12289
1842I	Tenzing and Necklace divide and conquer, dp, greedy	3500	x119
1842H	Tenzing and Random Real Numbers bitmasks, dp, graphs, math, probabilities	3000	x665
1842G	Tenzing and Random Operations combinatorics, dp, math, probabilities	2800	x1031
1842F	Tenzing and Tree dfs and similar, greedy, shortest paths, sortings, trees	2500	x1315
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1613
1842D	Tenzing and His Animal Friends constructive algorithms, graphs, greedy	1900	x4075
1842C	Tenzing and Balls dp	1500	x12761
1841F	Monocarp and a Strategic Game geometry, sortings, two pointers	2700	x487
1841E	Fill the Matrix data structures, greedy, math	2200	x2012
1841D	Pairs of Segments data structures, greedy, sortings, two pointers	2000	x4391
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7814
1840G2	In Search of Truth (Hard Version) constructive algorithms, interactive, math, meet-in-the-middle, probabilities	2500	x958
1840G1	In Search of Truth (Easy Version) constructive algorithms, interactive, math, meet-in-the-middle, probabilities	2200	x2366
1840F	Railguns brute force, dfs and similar, dp, graphs	2200	x1789
1840E	Character Blocking data structures, hashing, implementation	1600	x8022
1840D	Wooden Toy Festival binary search, greedy, sortings	1400	x13720
1839E	Decreasing Game constructive algorithms, dfs and similar, dp, greedy, interactive	2400	x1213
1839D	Ball Sorting data structures, dp, sortings	2100	x2305
1838F	Stuck Conveyor binary search, constructive algorithms, interactive	3000	x315
1838E	Count Supersequences combinatorics, dp, math	2500	x1476
1838D	Bracket Walk data structures, greedy, strings	2100	x3251
1838C	No Prime Differences constructive algorithms, math, number theory	1400	x14414
1837F	Editorial for Two binary search, data structures, greedy, implementation	2400	x2192
1837E	Playoff Fixing combinatorics, trees	2200	x2178
1837D	Bracket Coloring constructive algorithms, greedy	1400	x14704
1835F	Good Graph bitmasks, dfs and similar, graph matchings, graphs, implementation	3500	x164
1835E	Old Mobile combinatorics, dp, probabilities	3500	x225