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92 problems · filtered by 3 tags
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2215B
RReeppeettiittiioonn
binary search
brute force
implementation
math
number theory
+
2000
1.3k
2204F
Sum of Fractions
binary search
brute force
combinatorics
data structures
greedy
math
number theory
two pointers
+
2200
1.3k
2197A
Friendly Numbers
binary search
brute force
expression parsing
math
schedules
+
800
23.9k
2173F
Isla's Memory Thresholds
binary search
brute force
data structures
divide and conquer
math
+
2600
623
2159D1
Inverse Minimum Partition (Easy Version)
binary search
brute force
dp
geometry
greedy
math
two pointers
+
2500
1.7k
2118D2
Red Light, Green Light (Hard version)
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brute force
data structures
dfs and similar
dp
graphs
implementation
math
number theory
+
2200
2.6k
2114A
Square Year
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brute force
math
+
800
44.1k
2114F
Small Operations
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brute force
dfs and similar
dp
math
number theory
sortings
+
2000
5.6k
2104F
Numbers and Strings
binary search
brute force
dfs and similar
dp
implementation
math
+
2600
742
2094H
La Vaca Saturno Saturnita
binary search
brute force
math
number theory
+
1900
3.9k
2084D
Arcology On Permafrost
binary search
brute force
constructive algorithms
greedy
math
+
1600
9.1k
2072E
Do You Love Your Hero and His Two-Hit Multi-Target Attacks?
binary search
brute force
constructive algorithms
dp
geometry
greedy
math
+
1500
12.6k
2072G
I've Been Flipping Numbers for 300 Years and Calculated the Sum
binary search
brute force
combinatorics
divide and conquer
math
number theory
+
2200
2.2k
2063D
Game With Triangles
binary search
brute force
data structures
geometry
greedy
implementation
math
ternary search
two pointers
+
2000
5.2k
2053G
Naive String Splits
binary search
brute force
greedy
hashing
math
number theory
strings
+
3400
228
2044F
Easy Demon Problem
binary search
brute force
data structures
math
number theory
+
1900
6.4k
2043C
Sums on Segments
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brute force
data structures
dp
greedy
math
+
1600
11.5k
2041B
Bowling Frame
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brute force
math
+
1200
7.4k
2038B
Make It Equal
binary search
brute force
greedy
math
+
2100
2k
2035E
Monster
binary search
brute force
constructive algorithms
greedy
implementation
math
ternary search
+
2300
2k
2008C
Longest Good Array
binary search
brute force
math
+
800
37k
2008H
Sakurako's Test
binary search
brute force
greedy
math
number theory
+
2100
3.7k
2004F
Make a Palindrome
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brute force
data structures
greedy
math
+
2600
1.4k
1996D
Fun
binary search
brute force
combinatorics
math
number theory
+
1500
20k
1986G1
Permutation Problem (Simple Version)
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brute force
combinatorics
data structures
math
number theory
+
2200
2k
1971F
Circle Perimeter
binary search
brute force
dfs and similar
geometry
implementation
math
+
1600
12.7k
1968G2
Division + LCP (hard version)
binary search
brute force
data structures
dp
hashing
math
string suffix structures
strings
+
2200
2.6k
1929C
Sasha and the Casino
binary search
brute force
constructive algorithms
games
greedy
math
+
1400
17.5k
1920D
Array Repetition
binary search
brute force
dsu
implementation
math
+
1900
6.7k
1891D
Suspicious logarithms
binary search
brute force
math
+
1900
4.6k
1866L
Lihmuf Balling
binary search
brute force
math
+
2400
901
1860B
Fancy Coins
binary search
brute force
greedy
math
+
1200
19.2k
1853B
Fibonaccharsis
binary search
brute force
math
+
1200
20k
1848D
Vika and Bonuses
binary search
brute force
math
ternary search
+
2200
3k
1846E2
Rudolf and Snowflakes (hard version)
binary search
brute force
implementation
math
+
1800
8.7k
1845D
Rating System
binary search
brute force
data structures
dp
dsu
greedy
math
two pointers
+
1800
9.2k
1835B
Lottery
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brute force
greedy
math
two pointers
+
2500
1.1k
1821D
Black Cells
binary search
brute force
greedy
math
+
1900
5.6k
1814D
Balancing Weapons
binary search
brute force
data structures
math
two pointers
+
2500
1.1k
1805F1
Survival of the Weakest (easy version)
binary search
brute force
implementation
math
sortings
+
2600
1.4k
1792C
Min Max Sort
binary search
brute force
greedy
math
two pointers
+
1500
17.1k
1788D
Moving Dots
binary search
brute force
combinatorics
math
two pointers
+
2000
4.8k
1780E
Josuke and Complete Graph
binary search
brute force
data structures
math
number theory
+
2400
1.8k
1769B2
Копирование файлов II
*special
binary search
brute force
math
+
1400
960
1763B
Incinerate
binary search
brute force
data structures
implementation
math
sortings
+
1200
16.6k
1758D
Range = √Sum
binary search
brute force
constructive algorithms
math
two pointers
+
1800
8.6k
1728G
Illumination
binary search
bitmasks
brute force
combinatorics
dp
math
two pointers
+
2700
669
1712E1
LCM Sum (easy version)
binary search
brute force
combinatorics
math
number theory
two pointers
+
2300
2.5k
1710B
Rain
binary search
brute force
data structures
geometry
greedy
implementation
math
+
2100
2.8k
1687D
Cute number
binary search
brute force
data structures
dsu
implementation
math
+
2900
775
1674E
Breaking the Wall
binary search
brute force
constructive algorithms
greedy
math
+
2000
7.8k
1671C
Dolce Vita
binary search
brute force
greedy
math
+
1200
27k
1670D
Very Suspicious
binary search
brute force
geometry
greedy
implementation
math
+
1700
5.7k
1659C
Line Empire
binary search
brute force
dp
greedy
implementation
math
+
1500
15.8k
1657D
For Gamers. By Gamers.
binary search
brute force
greedy
math
sortings
+
2000
5.4k
1632C
Strange Test
binary search
bitmasks
brute force
dp
math
+
1600
14.2k
1626D
Martial Arts Tournament
binary search
brute force
greedy
math
+
2100
4.4k
1610E
AmShZ and G.O.A.T.
binary search
brute force
greedy
implementation
math
+
2300
2.1k
1500B
Two chandeliers
binary search
brute force
chinese remainder theorem
math
number theory
+
2200
2.4k
1490C
Sum of Cubes
binary search
brute force
math
+
1100
39.5k
1488C
Two Policemen
*special
binary search
brute force
math
+
1900
487
1487D
Pythagorean Triples
binary search
brute force
math
number theory
+
1500
20.9k
1485C
Floor and Mod
binary search
brute force
math
number theory
+
1700
11.2k
1476B
Inflation
binary search
brute force
greedy
math
+
1300
21.8k
1379B
Dubious Cyrpto
binary search
brute force
math
number theory
+
1500
13.2k
1371E1
Asterism (Easy Version)
binary search
brute force
combinatorics
math
number theory
sortings
+
1900
5.5k
1359F
RC Kaboom Show
binary search
brute force
data structures
geometry
math
+
2900
619
1354C2
Not So Simple Polygon Embedding
binary search
brute force
geometry
math
+
2000
6.4k
1345B
Card Constructions
binary search
brute force
dp
math
+
1100
28.5k
1328B
K-th Beautiful String
binary search
brute force
combinatorics
implementation
math
+
1300
32.4k
1288A
Deadline
binary search
brute force
math
ternary search
+
1100
19.4k
1216E1
Numerical Sequence (easy version)
binary search
brute force
math
+
1900
3.8k
1195B
Sport Mafia
binary search
brute force
math
+
1000
22.1k
1166D
Cute Sequences
binary search
brute force
greedy
math
+
2200
2.3k
1111C
Creative Snap
binary search
brute force
divide and conquer
math
+
1700
7.2k
1029F
Multicolored Markers
binary search
brute force
math
number theory
+
2000
2.9k
979D
Kuro and GCD and XOR and SUM
binary search
bitmasks
brute force
data structures
dp
dsu
greedy
math
number theory
strings
trees
+
2200
2.3k
920G
List Of Integers
binary search
bitmasks
brute force
combinatorics
math
number theory
+
2200
2.1k
837F
Prefix Sums
binary search
brute force
combinatorics
math
matrices
+
2400
1.1k
817C
Really Big Numbers
binary search
brute force
dp
math
+
1600
8.6k
776C
Molly's Chemicals
binary search
brute force
data structures
implementation
math
+
1800
6.3k
750A
New Year and Hurry
binary search
brute force
implementation
math
+
800
94.8k
538C
Tourist's Notes
binary search
brute force
greedy
implementation
math
+
1600
6.2k
525E
Anya and Cubes
binary search
bitmasks
brute force
dp
math
meet-in-the-middle
+
2100
4.4k
471C
MUH and House of Cards
binary search
brute force
greedy
math
+
1700
3.8k
385C
Bear and Prime Numbers
binary search
brute force
data structures
dp
implementation
math
number theory
+
1700
10.8k
359D
Pair of Numbers
binary search
brute force
data structures
math
two pointers
+
2000
5.9k
271B
Prime Matrix
binary search
brute force
math
number theory
+
1300
15.8k
233B
Non-square Equation
binary search
brute force
math
+
1400
8.4k
195A
Let's Watch Football
binary search
brute force
math
+
1000
10.3k
165C
Another Problem on Strings
binary search
brute force
dp
math
strings
two pointers
+
1600
14k
126A
Hot Bath
binary search
brute force
math
+
1900
1.6k
showing 1–92 of 92