Problemset - Codeforces

Rating changes for last rounds are temporarily rolled back. They will be returned soon. ×

→ Pay attention

Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
47:41:42
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
14A	Letter implementation	800	x10730
13E	Holes data structures, dsu	2700	x6124
13D	Triangles dp, geometry	2600	x667
13C	Sequence dp, sortings	2200	x4701
13B	Letter A geometry, implementation	2000	x1006
13A	Numbers implementation, math	1000	x7860
12E	Start of the session constructive algorithms	2100	x1239
12D	Ball data structures, sortings	2400	x2327
12C	Fruits greedy, implementation, sortings	1100	x6271
12B	Correct Solution? implementation, sortings	1100	x8602
12A	Super Agent implementation	800	x13209
11E	Forward, march! binary search, dp, greedy	2800	x368
11D	A Simple Task bitmasks, dp, graphs	2200	x4965
11C	How Many Squares? implementation	2200	x617
11B	Jumping Jack math	1600	x4742
11A	Increasing Sequence constructive algorithms, implementation, math	900	x13469
10E	Greedy Change constructive algorithms	2600	x839
10D	LCIS dp	2800	x4513
10C	Digital Root number theory	2000	x1469
10B	Cinema Cashier dp, implementation	1500	x1786
10A	Power Consumption Calculation implementation	900	x7245
9E	Interestring graph and Apples dfs and similar, dsu, graphs	2300	x1050
9D	How many trees? combinatorics, divide and conquer, dp	1900	x3914
9C	Hexadecimal's Numbers brute force, implementation, math	1200	x13020
9B	Running Student brute force, geometry, implementation	1200	x5535
9A	Die Roll math, probabilities	800	x57528
8E	Beads dp, graphs	2600	x697
8D	Two Friends binary search, geometry	2600	x528
8C	Looking for Order bitmasks, dp	2000	x3608
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4386
8A	Train and Peter strings	1200	x5944
7E	Defining Macros dp, expression parsing, implementation	2600	x722
7D	Palindrome Degree hashing, strings	2200	x3777
7C	Line math, number theory	1800	x4669
7B	Memory Manager implementation	1600	x2616
7A	Kalevitch and Chess brute force, constructive algorithms	1100	x7257
6E	Exposition binary search, data structures, dsu, trees, two pointers	1900	x3320
6D	Lizards and Basements 2 brute force, dp	2600	x2022
6C	Alice, Bob and Chocolate greedy, two pointers	1200	x14293
6B	President's Office implementation	1100	x13132
6A	Triangle brute force, geometry	900	x20028
5E	Bindian Signalizing data structures	2400	x2164
5D	Follow Traffic Rules implementation, math	2100	x1727
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x14087
5B	Center Alignment implementation, strings	1200	x5960
5A	Chat Servers Outgoing Traffic implementation	1000	x9779
4D	Mysterious Present dp, sortings	1700	x10411
4C	Registration System data structures, hashing, implementation	1300	x84742
4B	Before an Exam constructive algorithms, greedy	1200	x25219
4A	Watermelon brute force, math	800	x536573
3D	Least Cost Bracket Sequence greedy	2600	x3420
3C	Tic-tac-toe brute force, games, implementation	1800	x7394
3B	Lorry greedy, sortings	1900	x4615
3A	Shortest path of the king greedy, shortest paths	1000	x19400
2C	Commentator problem geometry	2600	x1773
2B	The least round way dp, math	2000	x11010
2A	Winner hashing, implementation	1500	x26663
1C	Ancient Berland Circus geometry, math	2100	x5742
1B	Spreadsheet implementation, math	1600	x22936
1A	Theatre Square math	1000	x265757

→