Problemset - Codeforces

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Educational Codeforces Round 168 (Rated for Div. 2)
28:14:30
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Problems

#	Name
1774A	Add Plus Minus Sign constructive algorithms, math	800	x22259
1773F	Football constructive algorithms	800	x4028
1772B	Matrix Rotation brute force, implementation	800	x28782
1772A	A+B? implementation	800	x45970
1769A	Узкая дорога *special problem, math	800	x1928
1768A	Greatest Convex greedy, math, number theory	800	x28506
1767B	Block Towers data structures, greedy, sortings	800	x20120
1767A	Cut the Triangle implementation	800	x20356
1766A	Extremely Round brute force, implementation	800	x25278
1765B	Broken Keyboard greedy	800	x8858
1764A	Doremy's Paint greedy	800	x16497
1763A	Absolute Maximization bitmasks, constructive algorithms, greedy, math	800	x15553
1762A	Divide and Conquer greedy, math, number theory	800	x18849
1761A	Two Permutations brute force, constructive algorithms	800	x18542
1760C	Advantage data structures, implementation, sortings	800	x36187
1760B	Atilla's Favorite Problem greedy, implementation, strings	800	x43356
1760A	Medium Number implementation, sortings	800	x56787
1759B	Lost Permutation math	800	x22024
1759A	Yes-Yes? implementation, strings	800	x29522
1758A	SSeeeeiinngg DDoouubbllee constructive algorithms, strings	800	x24947
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x18790
1754A	Technical Support greedy	800	x22962
1750B	Maximum Substring brute force, greedy, implementation	800	x16143
1750A	Indirect Sort constructive algorithms, implementation, math	800	x16959
1749A	Cowardly Rooks greedy, implementation	800	x22211
1748A	The Ultimate Square math	800	x23858
1747A	Two Groups constructive algorithms, greedy	800	x24679
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x17020
1746A	Maxmina constructive algorithms, greedy	800	x19723
1744B	Even-Odd Increments implementation, math	800	x23256
1744A	Number Replacement greedy, implementation	800	x26877
1743B	Permutation Value constructive algorithms, greedy	800	x22083
1743A	Password brute force, combinatorics, implementation, math	800	x26513
1742B	Increasing greedy, implementation, sortings	800	x46255
1742A	Sum implementation	800	x68258
1741B	Funny Permutation constructive algorithms, math	800	x25157
1741A	Compare T-Shirt Sizes implementation, implementation, strings	800	x30429
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x13680
1740A	Factorise N+M constructive algorithms, number theory	800	x19931
1739A	Immobile Knight implementation	800	x22490
1738A	Glory Addicts greedy, implementation, sortings	800	x13456
1736A	Make A Equal to B brute force, greedy, sortings	800	x22619
1735A	Working Week constructive algorithms, greedy, math	800	x20068
1734B	Bright, Nice, Brilliant constructive algorithms	800	x15685
1734A	Select Three Sticks brute force, greedy, sortings	800	x20961
1733A	Consecutive Sum greedy, sortings	800	x20802
1731A	Joey Takes Money greedy, math	800	x22348
1730A	Planets data structures, greedy, sortings	800	x22764
1729B	Decode String greedy, strings	800	x29811
1729A	Two Elevators math	800	x39761
1728B	Best Permutation constructive algorithms, greedy	800	x20032
1728A	Colored Balls: Revisited brute force, greedy, implementation, sortings	800	x24498
1725A	Accumulation of Dominoes math	800	x9170
1722C	Word Game data structures, implementation	800	x30271
1722B	Colourblindness implementation	800	x44628
1722A	Spell Check implementation	800	x48874
1721A	Image greedy, implementation	800	x26833
1720B	Interesting Sum brute force, data structures, greedy, math, sortings	800	x20943
1719B	Mathematical Circus constructive algorithms, math	800	x18406
1719A	Chip Game games, math	800	x25253
1717A	Madoka and Strange Thoughts math, number theory	800	x19313
1716B	Permutation Chain constructive algorithms, math	800	x21318
1716A	2-3 Moves greedy, math	800	x32383
1715A	Crossmarket constructive algorithms, greedy, math	800	x23355
1714C	Minimum Varied Number greedy	800	x30685
1714B	Remove Prefix data structures, greedy, implementation	800	x29888
1713A	Traveling Salesman Problem geometry, greedy, implementation	800	x21795
1712B	Woeful Permutation constructive algorithms, greedy, number theory	800	x21423
1712A	Wonderful Permutation greedy, implementation	800	x23896
1711A	Perfect Permutation constructive algorithms	800	x24985
1709A	Three Doors brute force, greedy, implementation, math	800	x29353
1708A	Difference Operations greedy, math	800	x21604
1706A	Another String Minimization Problem 2-sat, constructive algorithms, greedy, string suffix structures, strings	800	x22728
1705A	Mark the Photographer greedy, sortings	800	x24990
1704A	Two 0-1 Sequences constructive algorithms, greedy	800	x15905
1703C	Cypher brute force, implementation, strings	800	x34918
1703B	ICPC Balloons data structures, implementation	800	x47422
1703A	YES or YES? brute force, implementation, strings	800	x66086
1702B	Polycarp Writes a String from Memory greedy	800	x27340
1702A	Round Down the Price constructive algorithms	800	x34206
1701B	Permutation greedy	800	x20092
1701A	Grass Field implementation	800	x26044
1700A	Optimal Path constructive algorithms, greedy, math	800	x22728
1699A	The Third Three Number Problem constructive algorithms, math	800	x23832
1698B	Rising Sand constructive algorithms, greedy, implementation	800	x20826
1698A	XOR Mixup bitmasks, brute force	800	x28559
1697A	Parkway Walk greedy, implementation	800	x25589
1696A	NIT orz! bitmasks, greedy	800	x18605
1695A	Subrectangle Guess games	800	x16241
1694A	Creep greedy, implementation	800	x22340
1692C	Where's the Bishop? implementation	800	x33266
1692B	All Distinct greedy, sortings	800	x33530
1692A	Marathon implementation	800	x62610
1691A	Beat The Odds brute force, greedy, math	800	x30222
1690C	Restoring the Duration of Tasks data structures, greedy, implementation	800	x25791
1690B	Array Decrements greedy, implementation	800	x25051
1690A	Print a Pedestal (Codeforces logo?) constructive algorithms, greedy	800	x33035
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16508
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x18081
1688A	Cirno's Perfect Bitmasks Classroom bitmasks, brute force	800	x21289