Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round (Div. 2)
6 days

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
156A	Message brute force	1700	x3015
154E	Martian Colony geometry	3000	x92
154D	Flatland Fencing games, math	2400	x420
154C	Double Profiles graphs, hashing, sortings	2300	x2713
154B	Colliders math, number theory	1600	x4376
154A	Hometask greedy	1600	x4007
153E	Euclidean Distance *special problem	2100	x75
153D	Date Change *special problem	2000	x82
153C	Caesar Cipher *special problem	2200	x370
153B	Binary notation *special problem	1800	x154
153A	A + B *special problem	1600	x765
152E	Garden bitmasks, dp, graphs, trees	2500	x466
152D	Frames brute force	2600	x240
152C	Pocket Book combinatorics	1400	x10418
150E	Freezing with Style binary search, data structures, divide and conquer, trees	3000	x814
150D	Mission Impassable dp, strings	2600	x591
150C	Smart Cheater data structures, math, probabilities	2200	x636
150B	Quantity of Strings combinatorics, dfs and similar, graphs, math	1600	x4028
150A	Win or Freeze games, math, number theory	1400	x7632
149E	Martian Strings string suffix structures, strings	2300	x2050
149D	Coloring Brackets dp	1900	x3622
149C	Division into Teams greedy, math, sortings	1500	x5302
149B	Martian Clock implementation	1600	x2235
148E	Porcelain dp	1900	x3837
148D	Bag of mice dp, games, math, probabilities	1800	x6889
148C	Terse princess constructive algorithms, greedy	1700	x3079
148B	Escape implementation, math	1500	x5333
147B	Smile House binary search, graphs, matrices	2500	x755
145E	Lucky Queries data structures	2400	x2984
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
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
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	x894
141D	Take-off Ramps graphs, shortest paths	2300	x887
141C	Queue constructive algorithms, greedy, sortings	1800	x2404
141B	Hopscotch geometry, math	1400	x5176
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
138E	Hellish Constraints brute force, dp, two pointers	2900	x171
138D	World of Darkraft dp, games	2500	x474
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	x1482
137C	History sortings	1500	x7118
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
134C	Swaps constructive algorithms, graphs, greedy	2200	x462
134B	Pairs of Numbers brute force, dfs and similar, math, number theory	1900	x1935
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
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	x4546
131C	The World is a Theatre combinatorics, math	1400	x10772
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
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	x2480
128A	Statues dfs and similar	1500	x3140
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	x18355
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
125A	Measuring Lengths in Baden math	1400	x2655
124B	Permutations brute force, combinatorics, implementation	1400	x3821
123E	Maze dfs and similar, dp, probabilities, trees	2500	x697
123D	String string suffix structures	2300	x1188
123C	Brackets combinatorics, dp, greedy	2300	x596