Problemset - Codeforces

Problems

#	Name
16A	Flag implementation	800	x17900
15E	Triangles combinatorics, dp	2600	x702
15D	Map data structures, implementation, sortings	2500	x985
15C	Industrial Nim games	2000	x3023
15B	Laser math	1800	x1728
15A	Cottage Village implementation, sortings	1200	x4603
14E	Camels dp	1900	x2127
14D	Two Paths dfs and similar, dp, graphs, shortest paths, trees, two pointers	1900	x5449
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3939
14B	Young Photographer implementation	1000	x8481
14A	Letter implementation	800	x12847
13E	Holes data structures, dsu	2700	x8614
13D	Triangles dp, geometry	2600	x781
13C	Sequence dp, sortings	2200	x5722
13B	Letter A geometry, implementation	2000	x1184
13A	Numbers implementation, math	1000	x9727
12E	Start of the session constructive algorithms	2100	x1598
12D	Ball data structures, sortings	2400	x3096
12C	Fruits greedy, implementation, sortings	1100	x7578
12B	Correct Solution? implementation, sortings	1100	x9940
12A	Super Agent implementation	800	x15986
11E	Forward, march! binary search, dp, greedy	2800	x501
11D	A Simple Task bitmasks, dp, graphs	2200	x6949
11C	How Many Squares? implementation	2200	x748
11B	Jumping Jack math	1600	x5888
11A	Increasing Sequence constructive algorithms, implementation, math	900	x15982
10E	Greedy Change constructive algorithms	2600	x969
10D	LCIS dp	2800	x6044
10C	Digital Root number theory	2000	x1801
10B	Cinema Cashier dp, implementation	1500	x2134
10A	Power Consumption Calculation implementation	900	x8599
9E	Interestring graph and Apples dfs and similar, dsu, graphs	2300	x1203
9D	How many trees? combinatorics, divide and conquer, dp	1900	x4673
9C	Hexadecimal's Numbers brute force, implementation, math	1200	x14606
9B	Running Student brute force, geometry, implementation	1200	x6338
9A	Die Roll math, probabilities	800	x72436
8E	Beads dp, graphs	2600	x825
8D	Two Friends binary search, geometry	2600	x601
8C	Looking for Order bitmasks, dp	2000	x4523
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x5108
8A	Train and Peter strings	1200	x6934
7E	Defining Macros dp, expression parsing, implementation	2600	x820
7D	Palindrome Degree hashing, strings	2200	x4803
7C	Line math, number theory	1800	x5818
7B	Memory Manager implementation	1600	x3032
7A	Kalevitch and Chess brute force, constructive algorithms	1100	x8258
6E	Exposition binary search, data structures, dsu, trees, two pointers	1900	x4067
6D	Lizards and Basements 2 brute force, dp	2600	x2365
6C	Alice, Bob and Chocolate greedy, two pointers	1200	x18740
6B	President's Office implementation	1100	x15258
6A	Triangle brute force, geometry	900	x23579
5E	Bindian Signalizing data structures	2400	x2628
5D	Follow Traffic Rules implementation, math	2100	x2017
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x19167
5B	Center Alignment implementation, strings	1200	x7039
5A	Chat Servers Outgoing Traffic implementation	1000	x11451
4D	Mysterious Present dp, sortings	1700	x12564
4C	Registration System data structures, hashing, implementation	1300	x114966
4B	Before an Exam constructive algorithms, greedy	1200	x30500
4A	Watermelon brute force, math	800	x723433
3D	Least Cost Bracket Sequence greedy	2600	x4360
3C	Tic-tac-toe brute force, games, implementation	1800	x8473
3B	Lorry greedy, sortings	1900	x5396
3A	Shortest path of the king greedy, shortest paths	1000	x22711
2C	Commentator problem geometry	2600	x2174
2B	The least round way dp, math	2000	x13454
2A	Winner hashing, implementation	1500	x32104
1C	Ancient Berland Circus geometry, math	2100	x6703
1B	Spreadsheet implementation, math	1600	x27135
1A	Theatre Square math	1000	x330743