Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
15C	Industrial Nim games	2000	x3064
15B	Laser math	1800	x1759
15A	Cottage Village implementation, sortings	1200	x4659
14E	Camels dp	1900	x2166
14D	Two Paths dfs and similar, dp, graphs, shortest paths, trees, two pointers	1900	x5487
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3984
14B	Young Photographer implementation	1000	x8562
14A	Letter implementation	800	x13142
13E	Holes data structures, dsu	2700	x8825
13D	Triangles dp, geometry	2600	x791
13C	Sequence dp, sortings	2200	x5792
13B	Letter A geometry, implementation	2000	x1198
13A	Numbers implementation, math	1000	x9822
12E	Start of the session constructive algorithms	2100	x1617
12D	Ball data structures, sortings	2400	x3167
12C	Fruits greedy, implementation, sortings	1100	x7700
12B	Correct Solution? implementation, sortings	1100	x10034
12A	Super Agent implementation	800	x16199
11E	Forward, march! binary search, dp, greedy	2800	x510
11D	A Simple Task bitmasks, dp, graphs	2200	x7136
11C	How Many Squares? implementation	2200	x759
11B	Jumping Jack math	1600	x5946
11A	Increasing Sequence constructive algorithms, implementation, math	900	x16217
10E	Greedy Change constructive algorithms	2600	x981
10D	LCIS dp	2800	x6155
10C	Digital Root number theory	2000	x1831
10B	Cinema Cashier dp, implementation	1500	x2164
10A	Power Consumption Calculation implementation	900	x8748
9E	Interestring graph and Apples dfs and similar, dsu, graphs	2300	x1214
9D	How many trees? combinatorics, divide and conquer, dp	1900	x4750
9C	Hexadecimal's Numbers brute force, implementation, math	1200	x14715
9B	Running Student brute force, geometry, implementation	1200	x6399
9A	Die Roll math, probabilities	800	x73577
8E	Beads dp, graphs	2600	x841
8D	Two Friends binary search, geometry	2600	x619
8C	Looking for Order bitmasks, dp	2000	x4607
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x5165
8A	Train and Peter strings	1200	x7066
7E	Defining Macros dp, expression parsing, implementation	2600	x831
7D	Palindrome Degree hashing, strings	2200	x4910
7C	Line math, number theory	1800	x5920
7B	Memory Manager implementation	1600	x3074
7A	Kalevitch and Chess brute force, constructive algorithms	1100	x8412
6E	Exposition binary search, data structures, dsu, trees, two pointers	1900	x4147
6D	Lizards and Basements 2 brute force, dp	2600	x2381
6C	Alice, Bob and Chocolate greedy, two pointers	1200	x19329
6B	President's Office implementation	1100	x15427
6A	Triangle brute force, geometry	900	x23959
5E	Bindian Signalizing data structures	2400	x2659
5D	Follow Traffic Rules implementation, math	2100	x2046
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x19516
5B	Center Alignment implementation, strings	1200	x7274
5A	Chat Servers Outgoing Traffic implementation	1000	x11614
4D	Mysterious Present dp, sortings	1700	x12740
4C	Registration System data structures, hashing, implementation	1300	x117515
4B	Before an Exam constructive algorithms, greedy	1200	x31082
4A	Watermelon brute force, math	800	x742530
3D	Least Cost Bracket Sequence greedy	2600	x4454
3C	Tic-tac-toe brute force, games, implementation	1800	x8547
3B	Lorry greedy, sortings	1900	x5471
3A	Shortest path of the king greedy, shortest paths	1000	x22952
2C	Commentator problem geometry	2600	x2210
2B	The least round way dp, math	2000	x13691
2A	Winner hashing, implementation	1500	x32512
1C	Ancient Berland Circus geometry, math	2100	x6786
1B	Spreadsheet implementation, math	1600	x27466
1A	Theatre Square math	1000	x336497

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