Problemset - Codeforces

→ Pay attention

Before contest
WorldQuant Round 1 (Codeforces Round 1128, Div. 1 + Div. 2)
2 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
178E1	The Beaver's Problem - 2	1900	x319
178D3	Magic Squares	2100	x275
178D2	Magic Squares	1900	x328
178D1	Magic Squares	1500	x750
178C3	Smart Beaver and Resolving Collisions	2000	x362
178C2	Smart Beaver and Resolving Collisions	1900	x344
178C1	Smart Beaver and Resolving Collisions	1600	x591
178B3	Greedy Merchants	1800	x1641
178B2	Greedy Merchants	1600	x805
178B1	Greedy Merchants	1600	x898
178A3	Educational Game greedy	1100	x1692
178A2	Educational Game greedy	1000	x1903
178A1	Educational Game	1000	x1873
177G2	Fibonacci Strings matrices, strings	2600	x290
177G1	Fibonacci Strings strings	2400	x253
177F2	Script Generation	2300	x246
177F1	Script Generation	1800	x369
177E2	Space Voyage binary search	1900	x507
177E1	Space Voyage binary search	1700	x732
177D2	Encrypting Messages data structures	1500	x2885
177D1	Encrypting Messages brute force	1200	x2826
177C2	Party brute force, dfs and similar, dsu, graphs	1500	x3128
177C1	Party dfs and similar, dsu, graphs	1500	x3095
177B2	Rectangular Game number theory	1200	x3478
177B1	Rectangular Game number theory	1000	x5209
177A2	Good Matrix Elements implementation	800	x8775
177A1	Good Matrix Elements implementation	800	x11768
176E	Archaeology data structures, dfs and similar, trees	3100	x1746
176D	Hyper String dp	2500	x417
176C	Playing with Superglue combinatorics, constructive algorithms	2000	x548
176B	Word Cut dp	1700	x2481
176A	Trading Business greedy, sortings	1200	x1881
175F	Gnomes of Might and Magic data structures, graphs, implementation, shortest paths	3000	x103
175E	Power Defence brute force, dp, geometry, greedy	2600	x306
175D	Plane of Tanks: Duel brute force, dp, math, probabilities	2400	x346
175C	Geometry Horse greedy, implementation, sortings, two pointers	1600	x1586
175B	Plane of Tanks: Pro implementation	1400	x1607
175A	Robot Bicorn Attack brute force, implementation	1400	x2621
174C	Range Increments data structures, greedy	1800	x1281
174B	File List dp, greedy, implementation	1400	x2557
174A	Problem About Equation math	1100	x3402
173E	Camping Groups data structures, sortings	2600	x789
173D	Deputies constructive algorithms, graphs, greedy, implementation	2500	x322
173C	Spiral Maximum brute force, dp	1900	x1125
173B	Chamber of Secrets dfs and similar, shortest paths	1800	x4261
173A	Rock-Paper-Scissors implementation, math	1300	x2579
172E	BHTML+BCSS *special problem, dfs and similar, expression parsing	2200	x318
172D	Calendar Reform *special problem, number theory	1500	x1547
172C	Bus *special problem, implementation, sortings	1500	x1267
172B	Pseudorandom Sequence Period *special problem, implementation, number theory	1200	x3203
172A	Phone Code *special problem, brute force, implementation	800	x8362
171H	A polyline *special problem, implementation	1700	x344
171G	Mysterious numbers - 2 *special problem	1600	x1077
171F	ucyhf *special problem, brute force, implementation, number theory	1600	x1502
171E	MYSTERIOUS LANGUAGE *special problem	2000	x1636
171D	Broken checker *special problem, brute force	1300	x2849
171C	A Piece of Cake *special problem, implementation	2000	x1254
171B	Star *special problem, combinatorics	1300	x4957
171A	Mysterious numbers - 1 *special problem, constructive algorithms	1200	x5172
169B	Replacing Digits greedy	1100	x3794
169A	Chores sortings	800	x8459
168B	Wizards and Minimal Spell implementation, strings	1700	x1323
168A	Wizards and Demonstration implementation, math	900	x11715
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x742
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x323
167C	Wizards and Numbers games, math	2300	x783
167B	Wizards and Huge Prize dp, math, probabilities	1800	x2604
167A	Wizards and Trolleybuses implementation, math	1600	x2217
166E	Tetrahedron dp, math, matrices	1500	x27056
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x421
166C	Median greedy, math, sortings	1500	x7694
166B	Polygons geometry, sortings	2100	x3409
166A	Rank List binary search, implementation, sortings	1100	x21685
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x10421
165D	Beard Graph data structures, dsu, trees	2100	x2007
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x14208
165B	Burning Midnight Oil binary search, implementation	1500	x24392
165A	Supercentral Point implementation	1000	x26811
164E	Polycarpus and Tasks	3100	x137
164D	Minimum Diameter binary search, brute force	3100	x396
164C	Machine Programming flows, graphs	2400	x1059
164B	Ancient Berland Hieroglyphs two pointers	2000	x558
164A	Variable, or There and Back Again dfs and similar, graphs	1700	x1271
163E	e-Government data structures, dfs and similar, dp, strings, trees	2800	x2409
163D	Large Refrigerator brute force	2900	x593
163C	Conveyor sortings, two pointers	2100	x645
163B	Lemmings binary search	2000	x1210
163A	Substring and Subsequence dp	1700	x3056
162J	Brackets *special problem	1800	x140
162I	Truncatable primes *special problem	2000	x97
162H	Alternating case *special problem	1800	x227
162G	Non-decimal sum *special problem	2000	x90
162F	Factorial zeros *special problem	1800	x235
162E	HQ9+ *special problem	1800	x187
162D	Remove digits *special problem	1900	x234
162C	Prime factorization *special problem	1800	x1434
162B	Binary notation *special problem	1800	x328
162A	Pentagonal numbers *special problem, implementation	1100	x849
161E	Polycarpus the Safecracker brute force, dp	2500	x544
161D	Distance in Tree dfs and similar, dp, trees	1800	x20902

The only programming contests Web 2.0 platform

Server time: Oct/15/2026 15:16:59 (g2).

Desktop version, switch to mobile version.

Supported by