Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Educational Codeforces Round 167 (Rated for Div. 2)
19:10:09
Register now »
→ Filter Problems
Difficulty:
—
constructive algorithms
combine-tags-by-or
*combine tags by OR
2-sat
binary search
bitmasks
brute force
chinese remainder theorem
combinatorics
constructive algorithms
data structures
dfs and similar
divide and conquer
dp
dsu
expression parsing
fft
flows
games
geometry
graph matchings
graphs
greedy
hashing
implementation
interactive
math
matrices
meet-in-the-middle
number theory
probabilities
schedules
shortest paths
sortings
string suffix structures
strings
ternary search
trees
two pointers
Add tag
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
43D
Journey
brute force
,
constructive algorithms
,
implementation
2000
x1067
42C
Safe cracking
brute force
,
constructive algorithms
2200
x457
41E
3-cycles
constructive algorithms
,
graphs
,
greedy
1900
x1912
29D
Ant on the Tree
constructive algorithms
,
dfs and similar
,
trees
2000
x2356
27C
Unordered Subsequence
constructive algorithms
,
greedy
1900
x2708
26C
Parquet
combinatorics
,
constructive algorithms
,
greedy
,
implementation
2000
x827
14C
Four Segments
brute force
,
constructive algorithms
,
geometry
,
implementation
,
math
1700
x3275
12E
Start of the session
constructive algorithms
2100
x1173
5C
Longest Regular Bracket Sequence
constructive algorithms
,
data structures
,
dp
,
greedy
,
sortings
,
strings
1900
x13070
←
1
2
...
4
5
6
→
User lists
Name