Problemset - Codeforces

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Codeforces Round 980 (Div. 1)
15:49:34
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Before contest
Codeforces Round 980 (Div. 2)
15:49:34
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Problems

#	Name
15D	Map data structures, implementation, sortings	2500	x763
15C	Industrial Nim games	2000	x2309
15B	Laser math	1800	x1465
15A	Cottage Village implementation, sortings	1200	x3920
14E	Camels dp	1900	x1706
14D	Two Paths dfs and similar, dp, graphs, shortest paths, trees, two pointers	1900	x4551
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3380
14B	Young Photographer implementation	1000	x7081
14A	Letter implementation	800	x10639
13E	Holes data structures, dsu	2700	x6031
13D	Triangles dp, geometry	2600	x660
13C	Sequence dp, sortings	2200	x4643
13B	Letter A geometry, implementation	2000	x998
13A	Numbers implementation, math	1000	x7819
12E	Start of the session constructive algorithms	2100	x1230
12D	Ball data structures, sortings	2400	x2301
12C	Fruits greedy, implementation, sortings	1100	x6236
12B	Correct Solution? implementation, sortings	1100	x8549
12A	Super Agent implementation	800	x13119
11E	Forward, march! binary search, dp, greedy	2800	x363
11D	A Simple Task bitmasks, dp, graphs	2200	x4903
11C	How Many Squares? implementation	2200	x615
11B	Jumping Jack math	1600	x4708
11A	Increasing Sequence constructive algorithms, implementation, math	900	x13356
10E	Greedy Change constructive algorithms	2600	x835
10D	LCIS dp	2800	x4406
10C	Digital Root number theory	2000	x1450
10B	Cinema Cashier dp, implementation	1500	x1778
10A	Power Consumption Calculation implementation	900	x7188
9E	Interestring graph and Apples dfs and similar, dsu, graphs	2300	x1043
9D	How many trees? combinatorics, divide and conquer, dp	1900	x3865
9C	Hexadecimal's Numbers brute force, implementation, math	1200	x12967
9B	Running Student brute force, geometry, implementation	1200	x5520
9A	Die Roll math, probabilities	800	x56769
8E	Beads dp, graphs	2600	x695
8D	Two Friends binary search, geometry	2600	x527
8C	Looking for Order bitmasks, dp	2000	x3548
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4355
8A	Train and Peter strings	1200	x5920
7E	Defining Macros dp, expression parsing, implementation	2600	x718
7D	Palindrome Degree hashing, strings	2200	x3746
7C	Line math, number theory	1800	x4622
7B	Memory Manager implementation	1600	x2604
7A	Kalevitch and Chess brute force, constructive algorithms	1100	x7215
6E	Exposition binary search, data structures, dsu, trees, two pointers	1900	x3300
6D	Lizards and Basements 2 brute force, dp	2600	x2008
6C	Alice, Bob and Chocolate greedy, two pointers	1200	x14120
6B	President's Office implementation	1100	x13020
6A	Triangle brute force, geometry	900	x19854
5E	Bindian Signalizing data structures	2400	x2147
5D	Follow Traffic Rules implementation, math	2100	x1712
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x13895
5B	Center Alignment implementation, strings	1200	x5892
5A	Chat Servers Outgoing Traffic implementation	1000	x9716
4D	Mysterious Present dp, sortings	1700	x10309
4C	Registration System data structures, hashing, implementation	1300	x83458
4B	Before an Exam constructive algorithms, greedy	1200	x24992
4A	Watermelon brute force, math	800	x525515
3D	Least Cost Bracket Sequence greedy	2600	x3384
3C	Tic-tac-toe brute force, games, implementation	1800	x7337
3B	Lorry greedy, sortings	1900	x4583
3A	Shortest path of the king greedy, shortest paths	1000	x19256
2C	Commentator problem geometry	2600	x1763
2B	The least round way dp, math	2000	x10918
2A	Winner hashing, implementation	1500	x26433
1C	Ancient Berland Circus geometry, math	2100	x5716
1B	Spreadsheet implementation, math	1600	x22726
1A	Theatre Square math	1000	x261746

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