Problemset - Codeforces

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Educational Codeforces Round 167 (Rated for Div. 2)
27:16:29
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Problems

#	Name
1985C	Good Prefixes greedy	1000	x25165
1979B	XOR Sequences bitmasks, greedy	1000	x19568
1975B	378QAQ and Mocha's Array brute force, greedy, math, sortings	1000	x15198
1970A1	Balanced Shuffle (Easy) implementation, sortings	1000	x3382
1969B	Shifts and Sorting constructive algorithms, greedy	1000	x16650
1968C	Assembly via Remainders constructive algorithms, number theory	1000	x22193
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x25486
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x27632
1931C	Make Equal Again brute force, greedy, math	1000	x27128
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x14203
1927C	Choose the Different Ones! brute force, greedy, math	1000	x26376
1916B	Two Divisors constructive algorithms, math, number theory	1000	x24317
1913B	Swap and Delete strings	1000	x23288
1907B	YetnotherrokenKeoard data structures, implementation, strings	1000	x24043
1906A	Easy As ABC brute force	1000	x3698
1894B	Two Out of Three constructive algorithms	1000	x15102
1883C	Raspberries dp, math	1000	x24203
1876A	Helmets in Night Light greedy, sortings	1000	x15715
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x20614
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x25174
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x22345
1851C	Tiles Comeback greedy	1000	x22686
1849B	Monsters greedy, math, sortings	1000	x23673
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x19414
1844B	Permutations & Primes constructive algorithms, math	1000	x17695
1841B	Keep it Beautiful implementation	1000	x20924
1840C	Ski Resort combinatorics, math, two pointers	1000	x25611
1837C	Best Binary String constructive algorithms, greedy	1000	x21402
1834B	Maximum Strength greedy, math	1000	x14778
1831B	Array merging constructive algorithms, greedy	1000	x19259
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x24892
1825B	LuoTianyi and the Table greedy, math	1000	x14329
1816B	Grid Reconstruction constructive algorithms, greedy	1000	x14917
1811B	Conveyor Belts implementation, math	1000	x19904
1809B	Points on Plane binary search, greedy, math	1000	x19263
1804B	Vaccination greedy, implementation	1000	x13911
1802B	Settlement of Guinea Pigs greedy, implementation, math	1000	x13043
1800C1	Powering the Hero (easy version) data structures, greedy	1000	x22696
1800B	Count the Number of Pairs greedy, strings	1000	x24298
1798B	Three Sevens brute force, data structures, greedy, implementation	1000	x16135
1796B	Asterisk-Minor Template implementation, strings	1000	x16180
1791D	Distinct Split brute force, greedy, strings	1000	x27954
1790C	Premutation brute force, implementation, math	1000	x23258
1784A	Monsters (easy version) brute force, greedy	1000	x14695
1781B	Going to the Cinema brute force, greedy, sortings	1000	x13341
1772C	Different Differences constructive algorithms, greedy, math	1000	x22976
1770B	Koxia and Permutation constructive algorithms	1000	x19135
1770A	Koxia and Whiteboards brute force, greedy	1000	x23074
1769B1	Копирование файлов I *special problem, brute force, implementation, math	1000	x1322
1766B	Notepad# implementation	1000	x20493
1765M	Minimum LCM math, number theory	1000	x13537
1765E	Exchange brute force, math	1000	x9711
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x13135
1760D	Challenging Valleys implementation, two pointers	1000	x22842
1744C	Traffic Light binary search, implementation, two pointers	1000	x25299
1732A	Bestie brute force, combinatorics, constructive algorithms, implementation, math, number theory	1000	x14606
1725B	Basketball Together binary search, greedy, sortings	1000	x12342
1721B	Deadly Laser implementation	1000	x21688
1715B	Beautiful Array constructive algorithms, greedy, math	1000	x20635
1713B	Optimal Reduction constructive algorithms, sortings	1000	x20851
1704B	Luke is a Foodie brute force, greedy, implementation	1000	x16879
1702D	Not a Cheap String greedy	1000	x23212
1695B	Circle Game games, greedy	1000	x18143
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x21848
1690D	Black and White Stripe implementation, two pointers	1000	x27660
1676D	X-Sum brute force, greedy, implementation	1000	x24410
1674C	Infinite Replacement combinatorics, implementation, strings	1000	x23117
1671B	Consecutive Points Segment brute force, math, sortings	1000	x18245
1659A	Red Versus Blue constructive algorithms, greedy, implementation, math	1000	x17489
1634C	OKEA constructive algorithms	1000	x18013
1632B	Roof Construction bitmasks, constructive algorithms	1000	x21373
1622B	Berland Music data structures, greedy, math, sortings	1000	x20678
1620B	Triangles on a Rectangle geometry, greedy, math	1000	x20093
1614B	Divan and a New Project constructive algorithms, sortings	1000	x18298
1613B	Absent Remainder greedy, implementation, sortings	1000	x21319
1611C	Polycarp Recovers the Permutation constructive algorithms	1000	x18081
1607C	Minimum Extraction brute force, sortings	1000	x24531
1605B	Reverse Sort greedy, sortings	1000	x17781
1598B	Groups brute force, implementation	1000	x15844
1593C	Save More Mice binary search, greedy, greedy	1000	x24313
1584B	Coloring Rectangles greedy, math	1000	x13174
1579E1	Permutation Minimization by Deque constructive algorithms, greedy, math	1000	x21092
1569B	Chess Tournament constructive algorithms	1000	x18667
1567B	MEXor Mixup bitmasks, greedy	1000	x22038
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x17192
1562B	Scenes From a Memory brute force, constructive algorithms, implementation, math, number theory	1000	x19280
1550B	Maximum Cost Deletion greedy, math	1000	x25945
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x19740
1521A	Nastia and Nearly Good Numbers constructive algorithms, math, number theory	1000	x35942
1520C	Not Adjacent Matrix constructive algorithms	1000	x30988
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x24422
1506C	Double-ended Strings brute force, implementation, strings	1000	x23914
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x20401
1490B	Balanced Remainders brute force, constructive algorithms, math	1000	x25801
1485A	Add and Divide brute force, greedy, math, number theory	1000	x21313
1476A	K-divisible Sum binary search, constructive algorithms, greedy, math	1000	x35718
1474B	Different Divisors binary search, constructive algorithms, greedy, math, number theory	1000	x27122
1473B	String LCM brute force, math, number theory, strings	1000	x30398
1469B	Red and Blue dp, greedy	1000	x26401
1469A	Regular Bracket Sequence constructive algorithms, greedy	1000	x26771

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