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Before contest
Codeforces Round 1097 (Div. 1, Based on Zhili Cup 2026)
33:04:33
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Before contest
Codeforces Round 1097 (Div. 2, Based on Zhili Cup 2026)
33:04:33
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Problems
 
 
# Name   Sort desc. Sort desc.
10B
Cinema Cashier
dp, implementation
Submit 1500  x2053
9E
Interestring graph and Apples
dfs and similar, dsu, graphs
Submit 2300  x1162
9D
How many trees?
combinatorics, divide and conquer, dp
Submit 1900  x4504
8E
Beads
dp, graphs
Submit 2600  x758
8D
Two Friends
binary search, geometry
Submit 2600  x580
8C
Looking for Order
bitmasks, dp
Submit 2000  x4212
8B
Obsession with Robots
constructive algorithms, graphs, implementation
Submit 1400  x4965
7E
Defining Macros
dp, expression parsing, implementation
Submit 2600  x777
7D
Palindrome Degree
hashing, strings
Submit 2200  x4470
7C
Line
math, number theory
Submit 1800  x5477
7B
Memory Manager
implementation
Submit 1600  x2957
6E
Exposition
binary search, data structures, dsu, trees, two pointers
Submit 1900  x3864
6D
Lizards and Basements 2
brute force, dp
Submit 2600  x2279
5E
Bindian Signalizing
data structures
Submit 2400  x2487
5D
Follow Traffic Rules
implementation, math
Submit 2100  x1936
5C
Longest Regular Bracket Sequence
constructive algorithms, data structures, dp, greedy, sortings, strings
Submit 1900  x18065
4D
Mysterious Present
dp, sortings
Submit 1700  x12109
3D
Least Cost Bracket Sequence
greedy
Submit 2600  x3945
3C
Tic-tac-toe
brute force, games, implementation
Submit 1800  x8277
3B
Lorry
greedy, sortings
Submit 1900  x5232
2C
Commentator problem
geometry
Submit 2600  x2023
2B
The least round way
dp, math
Submit 2000  x12945
2A
Winner
hashing, implementation
Submit 1500  x31218
1C
Ancient Berland Circus
geometry, math
Submit 2100  x6481
1B
Spreadsheet
implementation, math
Submit 1600  x26310
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