Problemset - Codeforces

Problems

#	Name
1738H	Palindrome Addicts data structures, strings	3300	x228
1270I	Xor on Figures constructive algorithms, fft, math	3500	x228
1116D2	Pattern of increasing blocks		x228
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x228
406E	Hamming Triples implementation, math, two pointers	2800	x228
89D	Space mines geometry	2500	x228
952G	Puzzling Language constructive algorithms	2200	x227
883L	Berland.Taxi data structures	2500	x227
1666K	Kingdom Partition flows	3200	x226
1223G	Wooden Raft binary search, math, number theory	3200	x226
1083D	The Fair Nut's getting crazy data structures, implementation	3500	x226
475F	Meta-universe data structures	2900	x226
178E2	The Beaver's Problem - 2	2000	x226
1830F	The Third Grace data structures, dp	3200	x225
1750G	Doping combinatorics, dp, math	3300	x225
1515I	Phoenix and Diamonds binary search, data structures, sortings	3400	x225
1268E	Happy Cactus dp	3400	x225
1115G3	Palindrome checker oracle *special problem	1600	x225
1086F	Forest Fires math	3500	x225
497D	Gears brute force, geometry, math	2900	x225
162D	Remove digits *special problem	1900	x225
1211D	Teams *special problem, binary search, greedy, math	2000	x224
1188E	Problem from Red Panda combinatorics	3300	x224
720D	Slalom data structures, dp, sortings	3100	x224
661B	Seasons *special problem	1900	x224
207A2	Beaver's Calculator 1.0 greedy	1800	x224
926F	Mobile Communications	2000	x223
1578J	Just Kingdom brute force, data structures, dfs and similar	3100	x221
1368H2	Breadboard Capacity (hard version)	3500	x221
1194G	Another Meme Problem dp	2700	x221
1190E	Tokitsukaze and Explosion binary search, greedy	3100	x221
1103E	Radix sum fft, math, number theory	3400	x221
648D	Собачки и миски data structures, greedy, sortings	1900	x221
62E	World Evil dp, flows	2700	x221
618G	Combining Slimes dp, math, matrices, probabilities	3300	x220
1431E	Chess Match *special problem	2000	x219
1346F	Dune II: Battle For Arrakis *special problem, data structures, greedy, math	2000	x219
1178H	Stock Exchange binary search, flows, graphs	3500	x219
1735F	Pebbles and Beads data structures, geometry	2900	x218
815E	Karen and Neighborhood binary search, constructive algorithms, implementation	2900	x218
335E	Counting Skyscrapers dp, math, probabilities	2800	x218
1098F	Ж-function string suffix structures, strings	3500	x217
309E	Sheep binary search, greedy	2900	x217
1687E	Become Big For Me combinatorics, constructive algorithms, greedy, math, number theory	3500	x216
1532F	Prefixes and Suffixes *special problem, strings		x216
819D	Mister B and Astronomers number theory	2900	x216
774B	Significant Cups *special problem, binary search, data structures, two pointers	2100	x216
533D	Landmarks data structures, dp	3000	x216
331E2	Deja Vu constructive algorithms, dp	3100	x216
82E	Corridor geometry	2600	x216
1781G	Diverse Coloring constructive algorithms, trees	3200	x215
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x215
1439E	Cheat and Win bitmasks, data structures, games, trees	3500	x215
1089B	Bimatching graphs	3200	x215
1043G	Speckled Band data structures, divide and conquer, hashing, string suffix structures, strings	3500	x215
1954F	Unique Strings combinatorics, dp, math	3100	x214
1815F	OH NO1 (-2-3-4) constructive algorithms, graphs, math	3500	x214
1098E	Fedya the Potter binary search, implementation, math, number theory	3400	x214
833E	Caramel Clouds data structures, dp, sortings	3400	x214
528E	Triangles 3000 geometry, sortings	3100	x214
1952E	Sweep Line combinatorics, games, math		x213
420E	Playing the ball geometry	2600	x213
162H	Alternating case *special problem	1800	x213
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x212
1533F	Binary String Partition *special problem, binary search, greedy		x212
1500E	Subset Trick binary search, data structures	3300	x212
1662J	Training Camp flows, graphs		x211
1357B2	"Is the number divisible by 3?" oracle		x211
1357B1	"Is the bit string balanced?" oracle		x211
1010F	Tree fft, graphs, trees	3400	x211
575C	Party bitmasks, brute force, graph matchings	2700	x211
1060H	Sophisticated Device constructive algorithms	3300	x210
392D	Three Arrays data structures		x210
1939B	Evidence Board *special problem, constructive algorithms, dfs and similar, graphs, trees		x209
1468B	Bakery data structures, dsu	2900	x208
592E	BCPC binary search, geometry, two pointers	2700	x208
243D	Cubes data structures, dp, geometry, two pointers	2700	x208
1267D	DevOps Best Practices constructive algorithms	2800	x207
926H	Endless Roses Most Beautiful	2200	x207
398C	Tree and Array constructive algorithms		x207
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x206
1488E	Palindromic Doubles *special problem, data structures, dp	2200	x206
774E	Big Number and Remainder *special problem, math, number theory	2300	x206
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x206
1510C	Cactus Not Enough dfs and similar, graph matchings, graphs	2900	x205
819C	Mister B and Beacons on Field number theory	2900	x205
1663G	Six Characters *special problem, constructive algorithms, strings		x204
1641E	Special Positions combinatorics, divide and conquer, fft, math	3300	x204
1835E	Old Mobile combinatorics, dp, probabilities	3500	x203
1392I	Kevin and Grid fft, graphs, math	3300	x203
207A3	Beaver's Calculator 1.0 greedy	2000	x203
1958E	Yet Another Permutation Constructive *special problem, constructive algorithms	1900	x202
1870G	MEXanization data structures	3300	x202
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x202
1584G	Eligible Segments geometry	3200	x202
717I	Cowboy Beblop at his computer geometry	2800	x202
1740H	MEX Tree Manipulation data structures, trees	3300	x201
848E	Days of Floral Colours combinatorics, divide and conquer, dp, fft, math	3400	x201
403E	Two Rooted Trees data structures, implementation, trees	2900	x201
391D1	Supercollider brute force		x201

→ Pay attention

Before contest
Educational Codeforces Round 166 (Rated for Div. 2)
4 days

→ Filter Problems

Difficulty: —

Add tag