Problemset - Codeforces

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Before contest
Codeforces Round (Div. 1)
3 days

Before contest
Codeforces Round (Div. 2)
3 days

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Problems

#	Name
14B	Young Photographer implementation	1000	x7366
14A	Letter implementation	800	x11092
13E	Holes data structures, dsu	2700	x6493
13D	Triangles dp, geometry	2600	x688
13C	Sequence dp, sortings	2200	x4886
13B	Letter A geometry, implementation	2000	x1012
13A	Numbers implementation, math	1000	x8053
12E	Start of the session constructive algorithms	2100	x1303
12D	Ball data structures, sortings	2400	x2434
12C	Fruits greedy, implementation, sortings	1100	x6443
12B	Correct Solution? implementation, sortings	1100	x8856
12A	Super Agent implementation	800	x13655
11E	Forward, march! binary search, dp, greedy	2800	x376
11D	A Simple Task bitmasks, dp, graphs	2200	x5200
11C	How Many Squares? implementation	2200	x632
11B	Jumping Jack math	1600	x5025
11A	Increasing Sequence constructive algorithms, implementation, math	900	x13868
10E	Greedy Change constructive algorithms	2600	x849
10D	LCIS dp	2800	x4710
10C	Digital Root number theory	2000	x1494
10B	Cinema Cashier dp, implementation	1500	x1826
10A	Power Consumption Calculation implementation	900	x7515
9E	Interestring graph and Apples dfs and similar, dsu, graphs	2300	x1073
9D	How many trees? combinatorics, divide and conquer, dp	1900	x4010
9C	Hexadecimal's Numbers brute force, implementation, math	1200	x13264
9B	Running Student brute force, geometry, implementation	1200	x5691
9A	Die Roll math, probabilities	800	x60286
8E	Beads dp, graphs	2600	x712
8D	Two Friends binary search, geometry	2600	x539
8C	Looking for Order bitmasks, dp	2000	x3707
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4462
8A	Train and Peter strings	1200	x6078
7E	Defining Macros dp, expression parsing, implementation	2600	x732
7D	Palindrome Degree hashing, strings	2200	x3889
7C	Line math, number theory	1800	x4760
7B	Memory Manager implementation	1600	x2657
7A	Kalevitch and Chess brute force, constructive algorithms	1100	x7398
6E	Exposition binary search, data structures, dsu, trees, two pointers	1900	x3416
6D	Lizards and Basements 2 brute force, dp	2600	x2056
6C	Alice, Bob and Chocolate greedy, two pointers	1200	x14825
6B	President's Office implementation	1100	x13503
6A	Triangle brute force, geometry	900	x20560
5E	Bindian Signalizing data structures	2400	x2230
5D	Follow Traffic Rules implementation, math	2100	x1770
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x14711
5B	Center Alignment implementation, strings	1200	x6100
5A	Chat Servers Outgoing Traffic implementation	1000	x9998
4D	Mysterious Present dp, sortings	1700	x10731
4C	Registration System data structures, hashing, implementation	1300	x89219
4B	Before an Exam constructive algorithms, greedy	1200	x26093
4A	Watermelon brute force, math	800	x567741
3D	Least Cost Bracket Sequence greedy	2600	x3480
3C	Tic-tac-toe brute force, games, implementation	1800	x7559
3B	Lorry greedy, sortings	1900	x4696
3A	Shortest path of the king greedy, shortest paths	1000	x19937
2C	Commentator problem geometry	2600	x1802
2B	The least round way dp, math	2000	x11334
2A	Winner hashing, implementation	1500	x27587
1C	Ancient Berland Circus geometry, math	2100	x5855
1B	Spreadsheet implementation, math	1600	x23570
1A	Theatre Square math	1000	x277136

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