Problemset - Codeforces

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Codeforces Round (Div. 2)
6 days

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Problems

#	Name
146A	Lucky Ticket implementation	800	x14780
145E	Lucky Queries data structures	2400	x2985
145D	Lucky Pair combinatorics, data structures, implementation	2900	x242
145C	Lucky Subsequence combinatorics, dp, math	2100	x1895
145B	Lucky Number 2 constructive algorithms	1800	x2166
145A	Lucky Conversion greedy, implementation	1200	x6996
144E	Competition data structures, greedy	2200	x569
144D	Missile Silos data structures, dfs and similar, graphs, shortest paths	1900	x3843
144C	Anagram Search implementation, strings	1500	x3921
144B	Meeting implementation	1300	x5109
144A	Arrival of the General implementation	800	x91268
143B	Help Kingdom of Far Far Away 2 implementation, strings	1200	x4938
143A	Help Vasilisa the Wise 2 brute force, math	1000	x13348
142E	Help Greg the Dwarf 2 geometry	3000	x80
142D	Help Shrek and Donkey 2 games	2600	x340
142C	Help Caretaker brute force, dp	2300	x906
142B	Help General constructive algorithms, greedy, implementation	1800	x2148
142A	Help Farmer brute force, math	1600	x2588
141E	Clearing Up constructive algorithms, dp, dsu, graphs	2300	x898
141D	Take-off Ramps graphs, shortest paths	2300	x887
141C	Queue constructive algorithms, greedy, sortings	1800	x2404
141B	Hopscotch geometry, math	1400	x5176
141A	Amusing Joke implementation, sortings, strings	800	x79593
140F	New Year Snowflake geometry, sortings	2600	x364
140E	New Year Garland combinatorics, dp	2600	x878
140D	New Year Contest greedy, sortings	1800	x2198
140C	New Year Snowmen binary search, data structures, greedy	1800	x4227
140B	New Year Cards brute force, greedy, implementation	1800	x1526
140A	New Year Table geometry, math	1700	x4107
139B	Wallpaper implementation, math	1600	x1284
139A	Petr and Book implementation	1000	x29599
138E	Hellish Constraints brute force, dp, two pointers	2900	x171
138D	World of Darkraft dp, games	2500	x475
138C	Mushroom Gnomes - 2 binary search, data structures, probabilities, sortings	2200	x847
138B	Digits Permutations greedy	1900	x1013
138A	Literature Lesson implementation	1600	x2349
137E	Last Chance data structures, implementation, strings	2000	x1199
137D	Palindromes dp, strings	1900	x1483
137C	History sortings	1500	x7118
137B	Permutation greedy	1000	x13426
137A	Postcards and photos implementation	900	x7002
136B	Ternary Logic implementation, math	1100	x4784
136A	Presents implementation	800	x111880
135E	Weak Subsequence combinatorics	3000	x268
135D	Cycle brute force, dfs and similar, implementation	2500	x295
135C	Zero-One constructive algorithms, games, greedy	1900	x1325
135B	Rectangle and Square brute force, geometry, math	1600	x2314
135A	Replacement greedy, implementation, sortings	1300	x7472
134C	Swaps constructive algorithms, graphs, greedy	2200	x462
134B	Pairs of Numbers brute force, dfs and similar, math, number theory	1900	x1935
134A	Average Numbers brute force, implementation	1200	x3833
133B	Unary implementation	1200	x8705
133A	HQ9+ implementation	900	x101905
132E	Bits of merry old England flows, graphs	2700	x526
132D	Constants in the language of Shakespeare constructive algorithms, dp, greedy	2100	x608
132C	Logo Turtle dp	1800	x2284
132B	Piet implementation	2100	x513
132A	Turing Tape implementation	1300	x2748
131F	Present to Mom binary search, two pointers	2000	x635
131E	Yet Another Task with Queens sortings	1700	x1823
131D	Subway dfs and similar, graphs	1600	x4547
131C	The World is a Theatre combinatorics, math	1400	x10773
131B	Opposites Attract implementation, math	1200	x6907
131A	cAPS lOCK implementation, strings	1000	x82830
130J	Date calculation *special problem	1800	x327
130I	Array sorting *special problem, sortings	2300	x166
130H	Balanced brackets *special problem	1600	x542
130G	CAPS LOCK ON *special problem	1700	x275
130F	Prime factorization *special problem	1600	x275
130E	Tribonacci numbers *special problem	1600	x294
130D	Exponentiation *special problem	1500	x388
130C	Decimal sum *special problem	1500	x489
130B	Gnikool Ssalg *special problem, implementation, strings	1400	x520
130A	Hexagonal numbers *special problem, implementation	900	x1565
129B	Students and Shoelaces brute force, dfs and similar, graphs, implementation	1200	x11846
129A	Cookies implementation	900	x22038
128E	Birthday geometry, math	2900	x97
128D	Numbers constructive algorithms, implementation	2000	x1094
128C	Games with Rectangle combinatorics, dp	2000	x2740
128B	String brute force, constructive algorithms, hashing, implementation, string suffix structures, strings	2100	x2481
128A	Statues dfs and similar	1500	x3140
127B	Canvas Frames implementation	1000	x8393
127A	Wasted Time geometry	900	x10866
126E	Pills brute force, flows	2900	x83
126D	Fibonacci Sums dp, math	2300	x813
126C	E-reader Display constructive algorithms, greedy	2000	x713
126B	Password binary search, dp, hashing, string suffix structures, strings	1700	x18357
126A	Hot Bath binary search, brute force, math	1900	x1422
125E	MST Company binary search, graphs	2400	x1033
125D	Two progressions constructive algorithms, greedy	2200	x394
125C	Hobbits' Party constructive algorithms, greedy	1600	x907
125B	Simple XML implementation	1000	x2802
125A	Measuring Lengths in Baden math	1400	x2655
124B	Permutations brute force, combinatorics, implementation	1400	x3821
124A	The number of positions math	1000	x36915
123E	Maze dfs and similar, dp, probabilities, trees	2500	x697
123D	String string suffix structures	2300	x1188
123C	Brackets combinatorics, dp, greedy	2300	x596
123B	Squares math	1800	x1102
123A	Prime Permutation implementation, number theory, strings	1300	x3536