Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 950 (Div. 3)
21:02:50
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
36B	Fractal implementation	1600	x1432
36A	Extra-terrestrial Intelligence implementation	1300	x2907
35E	Parade data structures, sortings	2100	x704
35D	Animals dp, greedy	1700	x3169
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x6436
35B	Warehouse implementation	1700	x993
35A	Shell Game implementation	1000	x6639
34E	Collisions brute force, implementation, math	2000	x564
34D	Road Map dfs and similar, graphs	1600	x4882
34C	Page Numbers expression parsing, implementation, sortings, strings	1300	x4086
34B	Sale greedy, sortings	900	x49257
34A	Reconnaissance 2 implementation	800	x28668
33E	Helper	2600	x124
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1143
33C	Wonderful Randomized Sum greedy	1800	x2888
33B	String Problem shortest paths	1800	x4124
33A	What is for dinner? greedy, implementation	1200	x3883
32E	Hide-and-Seek geometry, implementation	2400	x324
32D	Constellation implementation	1600	x1242
32C	Flea math	1700	x2065
32B	Borze expression parsing, implementation	800	x59486
32A	Reconnaissance brute force	800	x12067
31E	TV Game dp	2400	x1027
31D	Chocolate dfs and similar, implementation	2000	x1000
31C	Schedule implementation	1700	x1739
31B	Sysadmin Bob greedy, implementation, strings	1500	x4128
31A	Worms Evolution implementation	1200	x9979
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x679
30D	King's Problem? geometry, greedy	2600	x412
30C	Shooting Gallery dp, probabilities	1800	x1862
30B	Codeforces World Finals implementation	1700	x1155
30A	Accounting brute force, math	1400	x3338
29E	Quarrel graphs, shortest paths	2400	x867
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x2335
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x4600
29B	Traffic Lights implementation	1500	x2849
29A	Spit Problem brute force	1000	x6861
28E	DravDe saves the world geometry, math	2800	x87
28D	Don't fear, DravDe is kind binary search, data structures, dp, hashing	2400	x591
28C	Bath Queue combinatorics, dp, probabilities	2200	x987
28B	pSort dfs and similar, dsu, graphs	1600	x4432
28A	Bender Problem implementation	1600	x771
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x4014
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2200	x2380
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2701
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5171
27A	Next Test implementation, sortings	1200	x19453
26E	Multithreading constructive algorithms	2400	x367
26D	Tickets combinatorics, math, probabilities	2400	x761
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x825
26B	Regular Bracket Sequence greedy	1400	x17695
26A	Almost Prime number theory	900	x28913
25E	Test hashing, strings	2200	x2222
25D	Roads not only in Berland dsu, graphs, trees	1900	x10481
25C	Roads in Berland graphs, shortest paths	1900	x5919
25B	Phone numbers implementation	1100	x9363
25A	IQ test brute force	1300	x81925
24E	Berland collider binary search	2300	x865
24D	Broken robot dp, math, probabilities	2400	x1808
24C	Sequence of points geometry, implementation, math	1800	x1218
24B	F1 Champions implementation	1500	x1721
24A	Ring road graphs	1400	x4822
23E	Tree dp	2500	x592
23D	Tetragon geometry, math	2600	x326
23C	Oranges and Apples constructive algorithms, sortings	2500	x1363
23B	Party constructive algorithms, graphs, math	1600	x3210
23A	You're Given a String... brute force, greedy	1200	x5097
22E	Scheme dfs and similar, graphs, trees	2300	x1555
22D	Segments greedy, sortings	1900	x2634
22C	System Administrator graphs	1700	x2963
22B	Bargaining Table brute force, dp	1500	x4095
22A	Second Order Statistics brute force	800	x21055
21D	Traveling Graph bitmasks, graph matchings, graphs	2400	x805
21C	Stripe 2 binary search, dp, sortings	2000	x2029
21B	Intersection implementation, math	2000	x1307
21A	Jabber ID implementation, strings	1900	x1789
20C	Dijkstra? graphs, shortest paths	1900	x30395
20B	Equation math	2000	x3680
20A	BerOS file system implementation	1700	x5980
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x1638
19D	Points data structures	2800	x2162
19C	Deletion of Repeats greedy, hashing, string suffix structures	2200	x1051
19B	Checkout Assistant dp	1900	x4467
19A	World Football Cup implementation	1400	x2649
18E	Flag 2 dp	2000	x1027
18D	Seller Bob brute force, dp, greedy	2000	x1035
18C	Stripe data structures, implementation	1200	x12546
18B	Platforms brute force, math	1700	x2070
18A	Triangle brute force, geometry	1500	x5729
17E	Palisection strings	2900	x1517
17D	Notepad number theory	2400	x1041
17C	Balance dp	2500	x819
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x4515
17A	Noldbach problem brute force, math, number theory	1000	x15256
16E	Fish bitmasks, dp, probabilities	1900	x4704
16D	Logging implementation, strings	1900	x1519
16C	Monitor binary search, number theory	1800	x4543
16B	Burglar and Matches greedy, implementation, sortings	900	x17033
16A	Flag implementation	800	x13686
15E	Triangles combinatorics, dp	2600	x559