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Before contest
Codeforces Round (Div. 2)
5 days
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Problems
 
 
# Name   Sort desc. Sort desc.
5B
Center Alignment
implementation, strings
Submit 1200  x6775
5A
Chat Servers Outgoing Traffic
implementation
Submit 1000  x11164
4D
Mysterious Present
dp, sortings
Submit 1700  x12181
4C
Registration System
data structures, hashing, implementation
Submit 1300  x109792
4B
Before an Exam
constructive algorithms, greedy
Submit 1200  x29606
4A
Watermelon
brute force, math
Submit 800  x692436
3D
Least Cost Bracket Sequence
greedy
Submit 2600  x3960
3C
Tic-tac-toe
brute force, games, implementation
Submit 1800  x8305
3B
Lorry
greedy, sortings
Submit 1900  x5250
3A
Shortest path of the king
greedy, shortest paths
Submit 1000  x22239
2C
Commentator problem
geometry
Submit 2600  x2031
2B
The least round way
dp, math
Submit 2000  x13004
2A
Winner
hashing, implementation
Submit 1500  x31348
1C
Ancient Berland Circus
geometry, math
Submit 2100  x6503
1B
Spreadsheet
implementation, math
Submit 1600  x26428
1A
Theatre Square
math
Submit 1000  x321717
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