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Problemset
48 problems · filtered by 2 tags
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Name
✎
Rating
↕
Solved
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2244C
Stepan and Permutation
constructive algorithms
dfs and similar
dsu
greedy
math
number theory
sortings
+
unrated
15.6k
2223C
Zhily and Signpost
chinese remainder theorem
dfs and similar
math
number theory
trees
+
2300
921
2145F
Long Journey
dfs and similar
divide and conquer
dp
graphs
greedy
math
matrices
number theory
+
2500
1.1k
2118D1
Red Light, Green Light (Easy version)
brute force
dfs and similar
dp
graphs
implementation
number theory
+
1700
8.6k
2118D2
Red Light, Green Light (Hard version)
binary search
brute force
data structures
dfs and similar
dp
graphs
implementation
math
number theory
+
2200
2.6k
2114F
Small Operations
binary search
brute force
dfs and similar
dp
math
number theory
sortings
+
2000
5.6k
2112E
Tree Colorings
combinatorics
dfs and similar
dp
graphs
math
number theory
trees
+
2200
3.5k
2077G
RGB Walking
bitmasks
chinese remainder theorem
dfs and similar
graphs
number theory
+
3500
142
2041F
Segmentation Folds
brute force
dfs and similar
number theory
+
2400
520
2040D
Non Prime Tree
brute force
constructive algorithms
dfs and similar
greedy
number theory
trees
two pointers
+
1900
5.9k
2034H
Rayan vs. Rayaneh
brute force
dfs and similar
dp
number theory
+
3300
199
2002F1
Court Blue (Easy Version)
brute force
dfs and similar
dp
math
number theory
+
2600
1k
1981D
Turtle and Multiplication
constructive algorithms
dfs and similar
graphs
number theory
+
2400
2.2k
1978F
Large Graph
data structures
dfs and similar
dsu
graphs
number theory
two pointers
+
2400
1.6k
1955G
GCD on a grid
brute force
dfs and similar
dp
implementation
math
number theory
+
1900
6.1k
1844G
Tree Weights
bitmasks
constructive algorithms
data structures
dfs and similar
implementation
math
matrices
number theory
trees
+
3000
1.2k
1835D
Doctor's Brown Hypothesis
dfs and similar
graphs
math
number theory
+
2900
707
1792E
Divisors and Table
brute force
dfs and similar
dp
number theory
+
2400
1.6k
1778F
Maximizing Root
dfs and similar
dp
graphs
math
number theory
trees
+
2600
964
1775D
Friendly Spiders
dfs and similar
graphs
math
number theory
shortest paths
+
1800
8.9k
1654D
Potion Brewing Class
dfs and similar
math
number theory
trees
+
2100
3.1k
1627C
Not Assigning
constructive algorithms
dfs and similar
number theory
trees
+
1400
16.4k
1617E
Christmas Chocolates
dfs and similar
dp
games
graphs
implementation
math
number theory
shortest paths
trees
+
2700
1.1k
1592D
Hemose in ICPC ?
binary search
dfs and similar
implementation
interactive
math
number theory
trees
+
2300
2.7k
1554E
You
dfs and similar
dp
math
number theory
+
2600
1.4k
1515G
Phoenix and Odometers
dfs and similar
graphs
math
number theory
+
2700
1.4k
1491E
Fib-tree
brute force
dfs and similar
divide and conquer
number theory
trees
+
2400
2.4k
1404D
Game of Pairs
constructive algorithms
dfs and similar
interactive
math
number theory
+
2800
1.3k
1401D
Maximum Distributed Tree
dfs and similar
dp
greedy
implementation
math
number theory
sortings
trees
+
1800
10.7k
1367E
Necklace Assembly
brute force
dfs and similar
dp
graphs
greedy
number theory
+
1900
5.9k
1327D
Infinite Path
brute force
dfs and similar
graphs
math
number theory
+
2200
3.6k
1325E
Ehab's REAL Number Theory Problem
brute force
dfs and similar
graphs
number theory
shortest paths
+
2600
2.4k
1200F
Graph Traveler
brute force
data structures
dfs and similar
dp
graphs
implementation
math
number theory
+
2300
1.2k
1176D
Recover it!
dfs and similar
graphs
greedy
number theory
sortings
+
1800
5.9k
1146D
Frog Jumping
dfs and similar
math
number theory
+
2100
1.2k
1101D
GCD Counting
data structures
dfs and similar
dp
number theory
trees
+
2000
5.5k
912E
Prime Gift
binary search
dfs and similar
math
meet-in-the-middle
number theory
two pointers
+
2400
2.1k
842C
Ilya And The Tree
dfs and similar
graphs
math
number theory
trees
+
2000
3.8k
804F
Fake bullions
combinatorics
dfs and similar
dp
graphs
number theory
+
3400
221
633G
Yash And Trees
bitmasks
data structures
dfs and similar
math
number theory
+
2800
933
603B
Moodular Arithmetic
combinatorics
dfs and similar
dsu
math
number theory
+
1800
2.7k
542D
Superhero's Job
dfs and similar
dp
hashing
math
number theory
+
2600
541
490D
Chocolate
brute force
dfs and similar
math
meet-in-the-middle
number theory
+
1900
2.3k
463E
Caisa and Tree
brute force
dfs and similar
math
number theory
trees
+
2100
1.8k
448E
Divisors
brute force
dfs and similar
implementation
number theory
+
2200
2k
348B
Apple Tree
dfs and similar
number theory
trees
+
2100
2.3k
134B
Pairs of Numbers
brute force
dfs and similar
math
number theory
+
1900
2.5k
74C
Chessboard Billiard
dfs and similar
dsu
graphs
number theory
+
2100
1.4k
showing 1–48 of 48