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
203E	Transportation greedy, sortings, two pointers	2300	x338
203D	Hit Ball geometry, implementation, math	1700	x1525
203C	Photographer greedy, sortings	1400	x6132
203B	Game on Paper brute force, implementation	1300	x2858
203A	Two Problems brute force, implementation	1200	x4497
202B	Brand New Easy Problem brute force	1700	x866
202A	LLPS binary search, bitmasks, brute force, greedy, implementation, strings	800	x20386
201E	Thoroughly Bureaucratic Organization binary search, combinatorics	2600	x551
201D	Brand New Problem bitmasks, brute force, dp	2600	x494
201C	Fragile Bridges dp	2000	x1581
201B	Guess That Car! math, ternary search	1800	x1411
201A	Clear Symmetry constructive algorithms, dp, math	1700	x3276
200E	Tractor College implementation, math, number theory, ternary search	2400	x376
200D	Programming Language binary search, brute force, expression parsing, implementation	1800	x1068
200C	Football Championship brute force, implementation	1800	x1234
200B	Drinks implementation, math	800	x157034
200A	Cinema brute force, data structures	2400	x768
199B	Special Olympics geometry	1900	x890
199A	Hexadecimal's theorem brute force, constructive algorithms, implementation, number theory	900	x31189
198E	Gripping Story binary search, data structures, sortings	2400	x596
198D	Cube Snake constructive algorithms	2700	x118
198C	Delivering Carcinogen binary search, geometry	2400	x454
198B	Jumping on Walls shortest paths	1400	x5491
198A	About Bacteria implementation, math	1700	x3364
197B	Limit math	1400	x4977
197A	Plate Game constructive algorithms, games, math	1600	x6973
196E	Opening Portals dsu, graphs, shortest paths	2600	x1297
196D	The Next Good String data structures, greedy, hashing, strings	2800	x672
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x1076
196B	Infinite Maze dfs and similar, graphs	2000	x2523
196A	Lexicographically Maximum Subsequence greedy, strings	1100	x5924
195E	Building Forest data structures, dsu, graphs	2000	x939
195D	Analyzing Polyline geometry, math, sortings	1900	x1142
195C	Try and Catch expression parsing, implementation	1800	x1266
195B	After Training data structures, implementation, math	1300	x5563
195A	Let's Watch Football binary search, brute force, math	1000	x10401
194B	Square math	1200	x4059
194A	Exams implementation, math	900	x11111
193E	Fibonacci Number brute force, math, matrices	2900	x430
193D	Two Segments data structures	2900	x684
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x711
193B	Xor brute force	2000	x1195
193A	Cutting Figure constructive algorithms, graphs, trees	1700	x4811
192B	Walking in the Rain brute force, implementation	1100	x6889
192A	Funky Numbers binary search, brute force, implementation	1300	x11759
191E	Thwarting Demonstrations binary search, data structures, trees	2200	x997
191D	Metro Scheme graphs, greedy	2700	x428
191C	Fools and Roads data structures, dfs and similar, trees	1900	x10167
191B	Demonstration greedy	1700	x1110
191A	Dynasty Puzzles dp	1500	x4696
190E	Counter Attack data structures, dsu, graphs, hashing, sortings	2100	x1844
190D	Non-Secret Cypher two pointers	1900	x2720
190C	STL dfs and similar	1500	x3289
190B	Surrounded geometry	1800	x3133
190A	Vasya and the Bus greedy, math	1100	x6373
189B	Counting Rhombi brute force, math	1300	x4274
189A	Cut Ribbon brute force, dp	1300	x85936
188H	Stack *special problem, expression parsing, implementation	1800	x765
188G	Array Sorting *special problem, implementation	1600	x365
188F	Binary Notation *special problem, implementation	1400	x352
188E	HQ9+ *special problem, implementation	1400	x560
188D	Asterisks *special problem, implementation	1100	x761
188C	LCM *special problem, implementation, math	1400	x534
188B	A + Reverse B *special problem, implementation	1300	x817
188A	Hexagonal Numbers *special problem	1100	x870
187E	Heaven Tour data structures, greedy	2900	x124
187D	BRT Contract data structures	2800	x631
187C	Weak Memory dfs and similar, dsu	2000	x1651
187B	AlgoRace dp, shortest paths	1800	x2407
187A	Permutations greedy	1500	x3094
186B	Growing Mushrooms greedy, sortings	1200	x6283
186A	Comparing Strings implementation, strings	1100	x18823
185E	Soap Time! - 2 binary search, data structures	3000	x268
185D	Visit of the Great math, number theory	2600	x552
185C	Clever Fat Rat dp	2500	x151
185B	Mushroom Scientists math, ternary search	1800	x1811
185A	Plant math	1300	x6710
183E	Candy Shop greedy	2900	x236
183D	T-shirt dp, greedy, probabilities	2700	x532
183C	Cyclic Coloring dfs and similar	2200	x780
183B	Zoo brute force, geometry	1700	x864
183A	Headquarters constructive algorithms, math	1700	x676
182E	Wooden Fence dp	1800	x1742
182D	Common Divisors brute force, hashing, implementation, math, strings	1400	x9546
182C	Optimal Sum data structures, greedy	2000	x906
182B	Vasya's Calendar implementation	1000	x7474
182A	Battlefield geometry, graphs, implementation, shortest paths	2200	x373
181B	Number of Triplets binary search, brute force	1300	x3627
181A	Series of Crimes brute force, geometry, implementation	800	x9149
180F	Mathematical Analysis Rocks! constructive algorithms, implementation, math	1200	x2950
180E	Cubes binary search, dp, two pointers	1800	x2172
180D	Name greedy, strings	1900	x828
180C	Letter dp	1400	x8827
180B	Divisibility Rules math, number theory	2300	x517
180A	Defragmentation implementation	1800	x650
178F3	Representative Sampling	2500	x663
178F2	Representative Sampling dp, sortings, strings	2200	x400
178F1	Representative Sampling	1800	x470
178E3	The Beaver's Problem - 2	2300	x218
178E2	The Beaver's Problem - 2	2000	x246

The only programming contests Web 2.0 platform

Server time: Oct/15/2026 10:58:36 (f1).

Desktop version, switch to mobile version.

Supported by