Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 987 (Div. 2)
10:47:26
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
144C	Anagram Search implementation, strings	1500	x4015
144B	Meeting implementation	1300	x5281
144A	Arrival of the General implementation	800	x97186
143B	Help Kingdom of Far Far Away 2 implementation, strings	1200	x4994
143A	Help Vasilisa the Wise 2 brute force, math	1000	x13928
142E	Help Greg the Dwarf 2 geometry	3000	x80
142D	Help Shrek and Donkey 2 games	2600	x347
142C	Help Caretaker brute force, dp	2300	x926
142B	Help General constructive algorithms, greedy, implementation	1800	x2219
142A	Help Farmer brute force, math	1600	x2625
141E	Clearing Up constructive algorithms, dp, dsu, graphs	2300	x1096
141D	Take-off Ramps graphs, shortest paths	2300	x899
141C	Queue constructive algorithms, greedy, sortings	1800	x2469
141B	Hopscotch geometry, math	1400	x5402
141A	Amusing Joke implementation, sortings, strings	800	x84034
140F	New Year Snowflake geometry, sortings	2600	x370
140E	New Year Garland combinatorics, dp	2600	x947
140D	New Year Contest greedy, sortings	1800	x2216
140C	New Year Snowmen binary search, data structures, greedy	1800	x4383
140B	New Year Cards brute force, greedy, implementation	1800	x1683
140A	New Year Table geometry, math	1700	x4151
139B	Wallpaper implementation, math	1600	x1310
139A	Petr and Book implementation	1000	x31491
138E	Hellish Constraints brute force, dp, two pointers	2900	x174
138D	World of Darkraft dp, games	2500	x496
138C	Mushroom Gnomes - 2 binary search, data structures, probabilities, sortings	2200	x871
138B	Digits Permutations greedy	1900	x1038
138A	Literature Lesson implementation	1600	x2395
137E	Last Chance data structures, implementation, strings	2000	x1220
137D	Palindromes dp, strings	1900	x1521
137C	History sortings	1500	x7226
137B	Permutation greedy	1000	x13752
137A	Postcards and photos implementation	900	x7212
136B	Ternary Logic implementation, math	1100	x4877
136A	Presents implementation	800	x119100
135E	Weak Subsequence combinatorics	3000	x306
135D	Cycle brute force, dfs and similar, implementation	2500	x301
135C	Zero-One constructive algorithms, games, greedy	1900	x1348
135B	Rectangle and Square brute force, geometry, math	1600	x2356
135A	Replacement greedy, implementation, sortings	1300	x7647
134C	Swaps constructive algorithms, graphs, greedy	2200	x474
134B	Pairs of Numbers brute force, dfs and similar, math, number theory	1900	x2048
134A	Average Numbers brute force, implementation	1200	x3998
133B	Unary implementation	1200	x8822
133A	HQ9+ implementation	900	x106402
132E	Bits of merry old England flows, graphs	2700	x533
132D	Constants in the language of Shakespeare constructive algorithms, dp, greedy	2100	x618
132C	Logo Turtle dp	1800	x2352
132B	Piet implementation	2100	x663
132A	Turing Tape implementation	1300	x2781
131F	Present to Mom binary search, two pointers	2000	x649
131E	Yet Another Task with Queens sortings	1700	x1856
131D	Subway dfs and similar, graphs	1600	x4698
131C	The World is a Theatre combinatorics, math	1400	x11204
131B	Opposites Attract implementation, math	1200	x7053
131A	cAPS lOCK implementation, strings	1000	x86381
130J	Date calculation *special problem	1800	x341
130I	Array sorting *special problem, sortings	2300	x167
130H	Balanced brackets *special problem	1600	x605
130G	CAPS LOCK ON *special problem	1700	x284
130F	Prime factorization *special problem	1600	x278
130E	Tribonacci numbers *special problem	1600	x296
130D	Exponentiation *special problem	1500	x393
130C	Decimal sum *special problem	1500	x501
130B	Gnikool Ssalg *special problem, implementation, strings	1400	x531
130A	Hexagonal numbers *special problem, implementation	900	x1630
129B	Students and Shoelaces brute force, dfs and similar, graphs, implementation	1200	x12330
129A	Cookies implementation	900	x22845
128E	Birthday geometry, math	2900	x99
128D	Numbers constructive algorithms, implementation	2000	x1147
128C	Games with Rectangle combinatorics, dp	2000	x2968
128B	String brute force, constructive algorithms, hashing, implementation, string suffix structures, strings	2100	x2598
128A	Statues dfs and similar	1500	x3211
127B	Canvas Frames implementation	1000	x8878
127A	Wasted Time geometry	900	x11292
126E	Pills brute force, flows	2900	x83
126D	Fibonacci Sums dp, math	2300	x835
126C	E-reader Display constructive algorithms, greedy	2000	x723
126B	Password binary search, dp, hashing, string suffix structures, strings	1700	x19665
126A	Hot Bath binary search, brute force, math	1900	x1436
125E	MST Company binary search, graphs	2400	x1090
125D	Two progressions constructive algorithms, greedy	2200	x416
125C	Hobbits' Party constructive algorithms, greedy	1600	x932
125B	Simple XML implementation	1000	x2945
125A	Measuring Lengths in Baden math	1400	x2735
124B	Permutations brute force, combinatorics, implementation	1400	x3946
124A	The number of positions math	1000	x38712
123E	Maze dfs and similar, dp, probabilities, trees	2500	x725
123D	String string suffix structures	2300	x1231
123C	Brackets combinatorics, dp, greedy	2300	x612
123B	Squares math	1800	x1132
123A	Prime Permutation implementation, number theory, strings	1300	x3635
122B	Lucky Substring brute force, implementation	1000	x12372
122A	Lucky Division brute force, number theory	1000	x124961
121E	Lucky Array data structures	2400	x1731
121D	Lucky Segments binary search, implementation, two pointers	2500	x277
121C	Lucky Permutation brute force, combinatorics, number theory	1900	x1288
121B	Lucky Transformation strings	1500	x2577
121A	Lucky Sum implementation	1100	x9272
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x923