Problemset - Codeforces

Please read the new rule regarding the restriction on the use of AI tools. ×

→ Pay attention

Before contest
Codeforces Round 974 (Div. 3)
21:03:32
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
201E	Thoroughly Bureaucratic Organization binary search, combinatorics	2600	x412
201D	Brand New Problem bitmasks, brute force, dp	2600	x413
201C	Fragile Bridges dp	2000	x1348
201B	Guess That Car! math, ternary search	1800	x1264
201A	Clear Symmetry constructive algorithms, dp, math	1700	x2995
200E	Tractor College implementation, math, number theory, ternary search	2400	x344
200D	Programming Language binary search, brute force, expression parsing, implementation	1800	x909
200C	Football Championship brute force, implementation	1800	x1052
200A	Cinema brute force, data structures	2400	x679
199B	Special Olympics geometry	1900	x799
198E	Gripping Story binary search, data structures, sortings	2400	x413
198D	Cube Snake constructive algorithms	2700	x105
198C	Delivering Carcinogen binary search, geometry	2400	x373
198A	About Bacteria implementation, math	1700	x3145
197A	Plate Game constructive algorithms, games, math	1600	x6274
196E	Opening Portals dsu, graphs, shortest paths	2600	x920
196D	The Next Good String data structures, greedy, hashing, strings	2800	x531
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x957
196B	Infinite Maze dfs and similar, graphs	2000	x2205
195E	Building Forest data structures, dsu, graphs	2000	x700
195D	Analyzing Polyline geometry, math, sortings	1900	x1034
195C	Try and Catch expression parsing, implementation	1800	x1135
193E	Fibonacci Number brute force, math, matrices	2900	x333
193D	Two Segments data structures	2900	x428
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x512
193B	Xor brute force	2000	x1009
193A	Cutting Figure constructive algorithms, graphs, trees	1700	x3987
191E	Thwarting Demonstrations binary search, data structures, trees	2200	x840
191D	Metro Scheme graphs, greedy	2700	x364
191C	Fools and Roads data structures, dfs and similar, trees	1900	x7147
191B	Demonstration greedy	1700	x1008
190E	Counter Attack data structures, dsu, graphs, hashing, sortings	2100	x1519
190D	Non-Secret Cypher two pointers	1900	x2285
190B	Surrounded geometry	1800	x2827
188H	Stack *special problem, expression parsing, implementation	1800	x252
188G	Array Sorting *special problem, implementation	1600	x333
187E	Heaven Tour data structures, greedy	2900	x99
187D	BRT Contract data structures	2800	x530
187C	Weak Memory dfs and similar, dsu	2000	x1331
187B	AlgoRace dp, shortest paths	1800	x1954
185E	Soap Time! - 2 binary search, data structures	3000	x104
185D	Visit of the Great math, number theory	2600	x422
185C	Clever Fat Rat dp	2500	x136
185B	Mushroom Scientists math, ternary search	1800	x1629
183E	Candy Shop greedy	2900	x135
183D	T-shirt dp, greedy, probabilities	2700	x402
183C	Cyclic Coloring dfs and similar	2200	x609
183B	Zoo brute force, geometry	1700	x691
183A	Headquarters constructive algorithms, math	1700	x542
182E	Wooden Fence dp	1800	x1452
182C	Optimal Sum data structures, greedy	2000	x722
182A	Battlefield geometry, graphs, implementation, shortest paths	2200	x280
180E	Cubes binary search, dp, two pointers	1800	x1759
180D	Name greedy, strings	1900	x722
180B	Divisibility Rules math, number theory	2300	x339
180A	Defragmentation implementation	1800	x532
178F3	Representative Sampling	2500	x426
178F2	Representative Sampling dp, sortings, strings	2200	x340
178F1	Representative Sampling	1800	x396
178E3	The Beaver's Problem - 2	2300	x201
178E2	The Beaver's Problem - 2	2000	x230
178E1	The Beaver's Problem - 2	1900	x289
178D3	Magic Squares	2100	x245
178D2	Magic Squares	1900	x268
178C3	Smart Beaver and Resolving Collisions	2000	x300
178C2	Smart Beaver and Resolving Collisions	1900	x292
178C1	Smart Beaver and Resolving Collisions	1600	x475
178B3	Greedy Merchants	1800	x1188
178B2	Greedy Merchants	1600	x670
178B1	Greedy Merchants	1600	x756
177G2	Fibonacci Strings matrices, strings	2600	x182
177G1	Fibonacci Strings strings	2400	x174
177F2	Script Generation	2300	x206
177F1	Script Generation	1800	x298
177E2	Space Voyage binary search	1900	x425
177E1	Space Voyage binary search	1700	x605
176E	Archaeology data structures, dfs and similar, trees	3100	x1138
176D	Hyper String dp	2500	x322
176C	Playing with Superglue combinatorics, constructive algorithms	2000	x476
176B	Word Cut dp	1700	x1805
175F	Gnomes of Might and Magic data structures, graphs, implementation, shortest paths	3000	x66
175E	Power Defence brute force, dp, geometry, greedy	2600	x264
175D	Plane of Tanks: Duel brute force, dp, math, probabilities	2400	x296
175C	Geometry Horse greedy, implementation, sortings, two pointers	1600	x1307
174C	Range Increments data structures, greedy	1800	x1083
173E	Camping Groups data structures, sortings	2600	x550
173D	Deputies constructive algorithms, graphs, greedy, implementation	2500	x248
173C	Spiral Maximum brute force, dp	1900	x975
173B	Chamber of Secrets dfs and similar, shortest paths	1800	x3061
172E	BHTML+BCSS *special problem, dfs and similar, expression parsing	2200	x270
171H	A polyline *special problem, implementation	1700	x275
171G	Mysterious numbers - 2 *special problem	1600	x918
171F	ucyhf *special problem, brute force, implementation, number theory	1600	x1269
171E	MYSTERIOUS LANGUAGE *special problem	2000	x1446
171C	A Piece of Cake *special problem, implementation	2000	x1076
168B	Wizards and Minimal Spell implementation, strings	1700	x1212
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x572
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x193
167C	Wizards and Numbers games, math	2300	x664
167B	Wizards and Huge Prize dp, math, probabilities	1800	x2139