Problemset - Codeforces

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Educational Codeforces Round 189 (Rated for Div. 2)
4 days
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Problems

#	Name
2113B	Good Start constructive algorithms, math	1200	x14528
2113A	Shashliks greedy, math	800	x20428
2112B	Shrinking Array brute force, greedy	1100	x20983
2112A	Race implementation, math	800	x29107
2111C	Equal Values brute force, greedy, two pointers	1100	x19303
2111B	Fibonacci Cubes brute force, dp, implementation, math	1100	x17794
2111A	Energy Crystals greedy, implementation, math	800	x20653
2110B	Down with Brackets strings	900	x27180
2110A	Fashionable Array implementation, sortings	800	x29699
2109B	Slice to Survive bitmasks, greedy, math	1200	x17232
2109A	It's Time To Duel implementation	800	x26864
2108A	Permutation Warm-Up combinatorics, greedy, math	800	x22088
2107B	Apples in Boxes games, greedy, math	1100	x19652
2107A	LRC and VIP greedy, number theory	800	x22136
2106C	Cherry Bomb greedy, math, sortings	1000	x25501
2106B	St. Chroma constructive algorithms, greedy, math	900	x28287
2106A	Dr. TC brute force, math	800	x36256
2104C	Card Game brute force, constructive algorithms, games, greedy, math	1100	x17271
2104B	Move to the End brute force, data structures, dp, greedy, implementation	1000	x20608
2104A	Three Decks math	800	x26170
2103B	Binary Typewriter greedy, math	1100	x17610
2103A	Common Multiple brute force, greedy, implementation, math	800	x24865
2102B	The Picky Cat implementation, sortings	900	x19717
2102A	Dinner Time constructive algorithms, math	900	x21339
2098A	Vadim's Collection brute force, greedy	800	x14681
2096B	Wonderful Gloves greedy, math, sortings	1100	x16491
2096A	Wonderful Sticks constructive algorithms, greedy	800	x20461
2094E	Boneca Ambalabu bitmasks	1200	x18479
2094D	Tung Tung Sahur greedy, strings, two pointers	1100	x23743
2094C	Brr Brrr Patapim math	900	x30355
2094B	Bobritto Bandito brute force, constructive algorithms	800	x32923
2094A	Trippi Troppi strings	800	x55787
2093C	Simple Repetition math, number theory	1000	x30722
2093B	Expensive Number greedy, math	900	x30729
2093A	Ideal Generator math	800	x40678
2092C	Asuna and the Mosquitoes constructive algorithms, greedy, math	1200	x22475
2092B	Lady Bug brute force, constructive algorithms, implementation, math	1000	x24690
2092A	Kamilka and the Sheep greedy, math, number theory, sortings	800	x28254
2091D	Place of the Olympiad binary search, greedy, math	1200	x23309
2091C	Combination Lock constructive algorithms, greedy	1000	x28623
2091B	Team Training dp, greedy, sortings	800	x32474
2091A	Olympiad Date greedy, strings	800	x38818
2090B	Pushing Balls brute force, dp, implementation	1000	x16328
2090A	Treasure Hunt implementation, math	800	x21264
2086B	Large Array and Segments binary search, brute force, greedy	1100	x18937
2086A	Cloudberry Jam math	800	x33449
2085B	Serval and Final MEX constructive algorithms, implementation	1200	x17011
2085A	Serval and String Theory constructive algorithms, implementation	900	x23380
2084B	MIN = GCD greedy, math, number theory	1100	x16506
2084A	Max and Mod constructive algorithms, math	800	x17371
2082A	Binary Matrix constructive algorithms, greedy	800	x11177
2078B	Vicious Labyrinth constructive algorithms, graphs, greedy, implementation, math	1100	x18220
2078A	Final Verdict math	800	x23245
2075A	To Zero greedy, math	800	x27823
2074C	XOR and Triangle bitmasks, brute force, geometry, greedy, probabilities	1100	x21908
2074B	The Third Side geometry, greedy, math	800	x34660
2074A	Draw a Square geometry, implementation	800	x44184
2072C	Creating Keys for StORages Has Become My Main Skill bitmasks, constructive algorithms, greedy	1200	x19458
2072B	Having Been a Treasurer in the Past, I Help Goblins Deceive combinatorics, constructive algorithms, strings	900	x30864
2072A	New World, New Me, New Array greedy, implementation, math	800	x40564
2071B	Perfecto brute force, constructive algorithms, greedy, math	1100	x20784
2071A	The Play Never Ends math, number theory	800	x27787
2070B	Robot Program brute force, implementation, math	1100	x19599
2070A	FizzBuzz Remixed brute force, math	800	x26416
2069B	Set of Strangers greedy, matrices	1200	x18723
2069A	Was there an Array? graph matchings, greedy	800	x26483
2067B	Two Large Bags brute force, dp, greedy, sortings	1200	x18891
2067A	Adjacent Digit Sums brute force, constructive algorithms, math	800	x25606
2065D	Skibidus and Sigma greedy, sortings	1200	x20551
2065C1	Skibidus and Fanum Tax (easy version) binary search, dp, greedy	1100	x27646
2065B	Skibidus and Ohio strings	800	x41860
2065A	Skibidus and Amog'u brute force, constructive algorithms, greedy, implementation, strings	800	x55214
2064B	Variety is Discouraged binary search, constructive algorithms, greedy, two pointers	1100	x20017
2064A	Brogramming Contest greedy, strings	800	x27016
2063B	Subsequence Update constructive algorithms, data structures, greedy, sortings	1100	x23072
2063A	Minimal Coprime math, number theory	800	x31645
2062C	Cirno and Operations brute force, math	1200	x18288
2062B	Clockwork greedy, math	900	x23648
2062A	String constructive algorithms, greedy, math, strings	800	x28218
2061B	Kevin and Geometry binary search, geometry	1100	x14621
2061A	Kevin and Arithmetic math	800	x22245
2060D	Subtract Min Sort greedy	1100	x26129
2060C	Game of Mathletes games, greedy, sortings, two pointers	900	x31979
2060B	Farmer John's Card Game greedy, sortings	1000	x28507
2060A	Fibonacciness brute force	800	x40972
2059A	Milya and Two Arrays constructive algorithms, greedy, sortings	800	x29089
2057B	Gorilla and the Exam greedy, sortings	1000	x23158
2057A	MEX Table constructive algorithms, math	800	x27441
2056C	Palindromic Subsequences brute force, constructive algorithms, math	1200	x19323
2056A	Shape Perimeter constructive algorithms, math	800	x26722
2055B	Crafting constructive algorithms, greedy, sortings	1000	x27188
2055A	Two Frogs constructive algorithms, games, greedy, math	800	x33516
2053B	Outstanding Impressionist binary search, brute force, data structures, greedy	1200	x16894
2053A	Tender Carpenter dp, geometry, greedy, math	800	x21240
2051D	Counting Pairs binary search, sortings, two pointers	1200	x23806
2051C	Preparing for the Exam constructive algorithms, implementation	1000	x27913
2051B	Journey binary search, math	800	x39571
2051A	Preparing for the Olympiad greedy	800	x34925
2050C	Uninteresting Number brute force, dp, math	1200	x24900
2050B	Transfusion brute force, greedy, math	1100	x26940

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