Problemset - Codeforces

→ Pay attention

Before contest
Educational Codeforces Round 166 (Rated for Div. 2)
3 days
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
161B	Discounts constructive algorithms, greedy, sortings	1700	x1924
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4691
160E	Buses and People binary search, data structures, sortings	2400	x576
160D	Edges in MST dfs and similar, dsu, graphs, sortings	2300	x2376
160C	Find Pair implementation, math, sortings	1700	x3386
160B	Unlucky Ticket greedy, sortings	1100	x13613
160A	Twins greedy, sortings	900	x111563
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x990
159D	Palindrome pairs *special problem, brute force, dp, strings	1500	x4256
159C	String Manipulation 1.0 *special problem, binary search, brute force, data structures, strings	1400	x2922
159B	Matchmaker *special problem, greedy, sortings	1100	x3684
159A	Friends or Not *special problem, greedy, implementation	1400	x2457
158E	Phone Talks *special problem, dp, sortings	1900	x1450
158D	Ice Sculptures *special problem, brute force, number theory	1300	x6181
158C	Cd and pwd commands *special problem, data structures, implementation	1400	x8914
158B	Taxi *special problem, greedy, implementation	1100	x82853
158A	Next Round *special problem, implementation	800	x234194
157B	Trace geometry, sortings	1000	x12879
157A	Game Outcome brute force	800	x7429
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x160
156D	Clues combinatorics, graphs	2500	x1477
156C	Cipher combinatorics, dp	2000	x2298
156B	Suspects constructive algorithms, data structures, implementation	1600	x2191
156A	Message brute force	1700	x2998
155B	Combination greedy, sortings	1100	x10040
155A	I_love_\%username\% brute force	800	x71072
154E	Martian Colony geometry	3000	x89
154D	Flatland Fencing games, math	2400	x418
154C	Double Profiles graphs, hashing, sortings	2300	x2697
154B	Colliders math, number theory	1600	x4288
154A	Hometask greedy	1600	x3999
153E	Euclidean Distance *special problem	2100	x73
153D	Date Change *special problem	2000	x80
153C	Caesar Cipher *special problem	2200	x361
153B	Binary notation *special problem	1800	x151
153A	A + B *special problem	1600	x760
152E	Garden bitmasks, dp, graphs, trees	2500	x462
152D	Frames brute force	2600	x239
152C	Pocket Book combinatorics	1400	x10306
152B	Steps binary search, implementation	1300	x6357
152A	Marks implementation	900	x16252
151B	Phone Numbers implementation, strings	1200	x6237
151A	Soft Drinking implementation, math	800	x66521
150E	Freezing with Style binary search, data structures, divide and conquer, trees	3000	x791
150D	Mission Impassable dp, strings	2600	x588
150C	Smart Cheater data structures, math, probabilities	2200	x630
150B	Quantity of Strings combinatorics, dfs and similar, graphs, math	1600	x3979
150A	Win or Freeze games, math, number theory	1400	x7604
149E	Martian Strings string suffix structures, strings	2300	x1972
149D	Coloring Brackets dp	1900	x3598
149C	Division into Teams greedy, math, sortings	1500	x5270
149B	Martian Clock implementation	1600	x2227
149A	Business trip greedy, implementation, sortings	900	x37990
148E	Porcelain dp	1900	x3798
148D	Bag of mice dp, games, math, probabilities	1800	x6819
148C	Terse princess constructive algorithms, greedy	1700	x3069
148B	Escape implementation, math	1500	x5290
148A	Insomnia cure constructive algorithms, implementation, math	800	x87701
147B	Smile House binary search, graphs, matrices	2500	x745
147A	Punctuation implementation, strings	1300	x3564
146B	Lucky Mask brute force, implementation	1300	x4243
146A	Lucky Ticket implementation	800	x14664
145E	Lucky Queries data structures	2400	x2955
145D	Lucky Pair combinatorics, data structures, implementation	2900	x241
145C	Lucky Subsequence combinatorics, dp, math	2100	x1889
145B	Lucky Number 2 constructive algorithms	1800	x2154
145A	Lucky Conversion greedy, implementation	1200	x6964
144E	Competition data structures, greedy	2200	x565
144D	Missile Silos data structures, dfs and similar, graphs, shortest paths	1900	x3813
144C	Anagram Search implementation, strings	1500	x3891
144B	Meeting implementation	1300	x5057
144A	Arrival of the General implementation	800	x89694
143B	Help Kingdom of Far Far Away 2 implementation, strings	1200	x4920
143A	Help Vasilisa the Wise 2 brute force, math	1000	x13120
142E	Help Greg the Dwarf 2 geometry	3000	x79
142D	Help Shrek and Donkey 2 games	2600	x338
142C	Help Caretaker brute force, dp	2300	x901
142B	Help General constructive algorithms, greedy, implementation	1800	x2138
142A	Help Farmer brute force, math	1600	x2580
141E	Clearing Up constructive algorithms, dp, dsu, graphs	2300	x864
141D	Take-off Ramps graphs, shortest paths	2300	x882
141C	Queue constructive algorithms, greedy, sortings	1800	x2374
141B	Hopscotch geometry, math	1400	x5150
141A	Amusing Joke implementation, sortings, strings	800	x78389
140F	New Year Snowflake geometry, sortings	2600	x361
140E	New Year Garland combinatorics, dp	2600	x874
140D	New Year Contest greedy, sortings	1800	x2196
140C	New Year Snowmen binary search, data structures, greedy	1800	x4205
140B	New Year Cards brute force, greedy, implementation	1800	x1479
140A	New Year Table geometry, math	1700	x4093
139B	Wallpaper implementation, math	1600	x1274
139A	Petr and Book implementation	1000	x28895
138E	Hellish Constraints brute force, dp, two pointers	2900	x167
138D	World of Darkraft dp, games	2500	x472
138C	Mushroom Gnomes - 2 binary search, data structures, probabilities, sortings	2200	x845
138B	Digits Permutations greedy	1900	x1008
138A	Literature Lesson implementation	1600	x2343
137E	Last Chance data structures, implementation, strings	2000	x1192
137D	Palindromes dp, strings	1900	x1477
137C	History sortings	1500	x7081