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266 problems · filtered by 2 tags
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1216E1
Numerical Sequence (easy version)
binary search
brute force
math
+
1900
3.8k
1208B
Uniqueness
binary search
brute force
implementation
two pointers
+
1500
11.8k
1198B
Welfare State
binary search
brute force
data structures
sortings
+
1600
10.1k
1195B
Sport Mafia
binary search
brute force
math
+
1000
22.1k
1175C
Electrification
binary search
brute force
greedy
+
1600
7.3k
1166D
Cute Sequences
binary search
brute force
greedy
math
+
2200
2.3k
1153E
Serval and Snake
binary search
brute force
interactive
+
2200
1.8k
1148B
Born This Way
binary search
brute force
two pointers
+
1600
8k
1111C
Creative Snap
binary search
brute force
divide and conquer
math
+
1700
7.2k
1102F
Elongated Matrix
binary search
bitmasks
brute force
dp
graphs
+
2000
2.4k
1073D
Berland Fair
binary search
brute force
data structures
greedy
+
1700
6.8k
1029F
Multicolored Markers
binary search
brute force
math
number theory
+
2000
2.9k
1011B
Planning The Expedition
binary search
brute force
implementation
+
1200
11.1k
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
949D
Curfew
binary search
brute force
greedy
sortings
+
2300
919
938C
Constructing Tests
binary search
brute force
constructive algorithms
+
1700
3.5k
920G
List Of Integers
binary search
bitmasks
brute force
combinatorics
math
number theory
+
2200
2.1k
919B
Perfect Number
binary search
brute force
dp
implementation
number theory
+
1100
32k
913D
Too Easy Problems
binary search
brute force
data structures
greedy
sortings
+
1800
5.2k
911B
Two Cakes
binary search
brute force
implementation
+
1200
12.9k
837F
Prefix Sums
binary search
brute force
combinatorics
math
matrices
+
2400
1.1k
830A
Office Keys
binary search
brute force
dp
greedy
sortings
+
1800
8.4k
817C
Really Big Numbers
binary search
brute force
dp
math
+
1600
8.6k
804D
Expected diameter of a tree
binary search
brute force
dfs and similar
dp
sortings
trees
+
2500
1.6k
776C
Molly's Chemicals
binary search
brute force
data structures
implementation
math
+
1800
6.3k
761D
Dasha and Very Difficult Problem
binary search
brute force
constructive algorithms
greedy
sortings
+
1700
4.2k
750A
New Year and Hurry
binary search
brute force
implementation
math
+
800
94.8k
743E
Vladik and cards
binary search
bitmasks
brute force
dp
+
2200
1.7k
677E
Vanya and Balloons
binary search
brute force
dp
implementation
+
2300
813
670D1
Magic Powder - 1
binary search
brute force
implementation
+
1400
25.1k
650B
Image Preview
binary search
brute force
dp
two pointers
+
1900
3.5k
613B
Skills
binary search
brute force
dp
greedy
sortings
two pointers
+
1900
2.5k
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
518F
Pasha and Pipe
binary search
brute force
combinatorics
dp
implementation
+
2300
442
493C
Vasya and Basketball
binary search
brute force
data structures
implementation
sortings
two pointers
+
1600
7.6k
490E
Restoring Increasing Sequence
binary search
brute force
greedy
implementation
+
2000
1.7k
487A
Fight the Monster
binary search
brute force
implementation
+
1800
4k
471C
MUH and House of Cards
binary search
brute force
greedy
math
+
1700
3.8k
466C
Number of Ways
binary search
brute force
data structures
dp
two pointers
+
1700
42.8k
448D
Multiplication Table
binary search
brute force
+
1800
17.1k
424D
Biathlon Track
binary search
brute force
constructive algorithms
data structures
dp
+
2300
639
386B
Fly, freebies, fly!
binary search
brute force
implementation
+
1400
2.5k
385C
Bear and Prime Numbers
binary search
brute force
data structures
dp
implementation
math
number theory
+
1700
10.8k
380A
Sereja and Prefixes
binary search
brute force
+
1600
3k
371C
Hamburgers
binary search
brute force
+
1600
36.2k
359D
Pair of Numbers
binary search
brute force
data structures
math
two pointers
+
2000
5.9k
333D
Characteristics of Rectangles
binary search
bitmasks
brute force
implementation
sortings
+
2100
2.3k
333E
Summer Earnings
binary search
bitmasks
brute force
geometry
sortings
+
2500
1.3k
279B
Books
binary search
brute force
implementation
two pointers
+
1400
76.7k
271B
Prime Matrix
binary search
brute force
math
number theory
+
1300
15.8k
260E
Dividing Kingdom
binary search
brute force
data structures
+
2500
548
245F
Log Stream Analysis
binary search
brute force
implementation
strings
+
2000
1k
233B
Non-square Equation
binary search
brute force
math
+
1400
8.4k
202A
LLPS
binary search
bitmasks
brute force
greedy
implementation
strings
+
800
20.1k
200D
Programming Language
binary search
brute force
expression parsing
implementation
+
1800
1.1k
195A
Let's Watch Football
binary search
brute force
math
+
1000
10.3k
192A
Funky Numbers
binary search
brute force
implementation
+
1300
11.7k
181B
Number of Triplets
binary search
brute force
+
1300
3.6k
165C
Another Problem on Strings
binary search
brute force
dp
math
strings
two pointers
+
1600
14k
164D
Minimum Diameter
binary search
brute force
+
3100
373
161A
Dress'em in Vests!
binary search
brute force
greedy
two pointers
+
1300
5.5k
159C
String Manipulation 1.0
*special
binary search
brute force
data structures
strings
+
1400
3.2k
126A
Hot Bath
binary search
brute force
math
+
1900
1.6k
96B
Lucky Numbers (easy)
binary search
bitmasks
brute force
+
1300
19.6k
85D
Sum of Medians
binary search
brute force
data structures
implementation
+
2300
2.5k
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