Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
40:30:10
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Problems

#	Name
1956E2	Nene vs. Monsters (Hard Version) brute force, greedy, implementation, math	2700	x477
1956E1	Nene vs. Monsters (Easy Version) brute force, implementation, math	2500	x944
1956D	Nene and the Mex Operator bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math	2000	x2410
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x8677
1955G	GCD on a grid brute force, dfs and similar, dp, implementation, math, number theory	1900	x2795
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x5059
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x15502
1955A	Yogurt Sale math	800	x31998
1954F	Unique Strings combinatorics, dp, math	3100	x149
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1371
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4102
1954C	Long Multiplication greedy, math, number theory	1200	x13336
1954B	Make It Ugly implementation, math	1200	x13421
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x17929
1952G	Mathematician Takeover binary search, dfs and similar, math		x873
1952E	Sweep Line combinatorics, games, math		x193
1951G	Clacking Balls combinatorics, math, probabilities	3100	x191
1951E	No Palindromes brute force, constructive algorithms, divide and conquer, greedy, hashing, implementation, math, strings	2000	x2740
1951D	Buying Jewels constructive algorithms, greedy, math	2000	x4340
1951C	Ticket Hoarding greedy, math, sortings	1400	x8648
1951A	Dual Trigger constructive algorithms, greedy, math	900	x15135
1950C	Clock Conversion implementation, math	800	x32958
1949K	Make Triangle constructive algorithms, math		x215
1949H	Division Avoidance greedy, math		x63
1949E	Damage per Second brute force, math		x73
1948F	Rare Coins combinatorics, math, probabilities	2500	x1042
1946E	Girl Permutation combinatorics, dp, math, number theory	2200	x1960
1946B	Maximum Sum dp, greedy, math	1100	x17166
1945H	GCD is Greater brute force, data structures, math, number theory	2600	x449
1945B	Fireworks math, number theory	900	x18768
1945A	Setting up Camp greedy, math	800	x23603
1944A	Destroying Bridges graphs, greedy, math	800	x20441
1943D1	Counting Is Fun (Easy Version) brute force, combinatorics, dp, math	2400	x1155
1943B	Non-Palindromic Substring hashing, implementation, math, strings	2000	x3088
1942G	Bessie and Cards combinatorics, dp, math	2800	x336
1942F	Farmer John's Favorite Function brute force, data structures, implementation, math	2700	x505
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x5229
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x9035
1942B	Bessie and MEX constructive algorithms, math	1100	x11763
1942A	Farmer John's Challenge constructive algorithms, math	800	x15014
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x25708
1941A	Rudolf and the Ticket brute force, math	800	x38102
1937A	Shuffle Party implementation, math	800	x21057
1936E	Yet Yet Another Permutation Problem divide and conquer, fft, math	3400	x90
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x2340
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x6391
1935E	Distance Learning Courses in MAC bitmasks, brute force, data structures, greedy, math	2400	x1123
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x7125
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x5901
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x16222
1934A	Too Min Too Max greedy, math	800	x22946
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks, brute force, combinatorics, constructive algorithms, dfs and similar, math	2300	x838
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9426
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x17360
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x20067
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x29392
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x34827
1932G	Moving Platforms graphs, math, number theory, shortest paths	2300	x850
1932E	Final Countdown implementation, math, number theory	1600	x6531
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x13279
1931G	One-Dimensional Puzzle combinatorics, math, number theory	2000	x2389
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x13014
1931D	Divisible Pairs combinatorics, math, number theory	1300	x15480
1931C	Make Equal Again brute force, greedy, math	1000	x25608
1930E	2..3...4.... Wonderful! Wonderful! combinatorics, dp, math	2400	x963
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x13291
1929F	Sasha and the Wedding Binary Search Tree brute force, combinatorics, data structures, dfs and similar, math, trees	2300	x1592
1929E	Sasha and the Happy Tree Cutting bitmasks, brute force, dfs and similar, dp, graphs, greedy, math, trees	2300	x1466
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x4068
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x12996
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x23519
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x28536
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x202
1928E	Modular Sequence brute force, constructive algorithms, dp, graphs, greedy, math, number theory	2300	x1493
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x3666
1928C	Physical Education Lesson brute force, math, number theory	1600	x7289
1928A	Rectangle Cutting geometry, math	800	x20883
1927G	Paint Charges data structures, dp, greedy, math	2300	x1461
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12150
1927C	Choose the Different Ones! brute force, greedy, math	1000	x25184
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9682
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3165
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x17991
1924D	Balanced Subsequences combinatorics, dp, math	2700	x739
1924C	Fractal Origami geometry, math, matrices	2400	x1021
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2229
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x6931
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5101
1922C	Closest Cities greedy, implementation, math	1300	x16633
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x18775
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3378
1921E	Eat the Chip brute force, games, greedy, math	1600	x8763
1921C	Sending Messages greedy, math	900	x26969
1921A	Square greedy, math	800	x39469
1920E	Counting Binary Strings combinatorics, dp, math	2100	x2311
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5026
1920C	Partitioning the Array brute force, math, number theory	1600	x11619
1920B	Summation Game games, greedy, math, sortings	1100	x19058
1920A	Satisfying Constraints brute force, greedy, math	800	x26283
1919E	Counting Prefixes combinatorics, constructive algorithms, dp, implementation, math	2600	x757

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