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688 problems · filtered by 2 tags
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Name
✎
Rating
↕
Solved
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333D
Characteristics of Rectangles
binary search
bitmasks
brute force
implementation
sortings
+
2100
2.3k
331A1
Oh Sweet Beaverette
brute force
implementation
+
1400
1.5k
330A
Cakeminator
brute force
implementation
+
800
31.9k
327A
Flipping Game
brute force
dp
implementation
+
1200
51.3k
317B
Ants
brute force
implementation
+
2000
1.7k
305A
Strange Addition
brute force
constructive algorithms
implementation
+
1600
5.3k
305B
Continued Fractions
brute force
implementation
math
+
1700
2.3k
304B
Calendar
brute force
implementation
+
1300
3.2k
300A
Array
brute force
constructive algorithms
implementation
+
1100
28k
299B
Ksusha the Squirrel
brute force
implementation
+
900
6.6k
298B
Sail
brute force
greedy
implementation
+
1200
16k
294D
Shaass and Painter Robot
brute force
implementation
number theory
+
2500
413
291C
Network Mask
*special
bitmasks
brute force
implementation
+
1600
1.9k
289A
Polo the Penguin and Segments
brute force
implementation
+
1100
10.5k
289B
Polo the Penguin and Matrix
brute force
dp
implementation
sortings
ternary search
+
1400
19.2k
287A
IQ Test
brute force
implementation
+
1100
22.2k
284B
Cows and Poker Game
brute force
implementation
+
1000
7.4k
281B
Nearest Fraction
brute force
implementation
two pointers
+
1700
3.4k
280E
Sequence Transformation
brute force
data structures
dp
implementation
math
+
3000
327
279A
Point on Spiral
brute force
geometry
implementation
+
1400
6k
279B
Books
binary search
brute force
implementation
two pointers
+
1400
76.7k
263C
Circle of Numbers
brute force
dfs and similar
implementation
+
2000
1.2k
260B
Ancient Prophesy
brute force
implementation
strings
+
1600
4.1k
259B
Little Elephant and Magic Square
brute force
implementation
+
1100
14.8k
254B
Jury Size
brute force
implementation
+
1500
2.3k
254D
Rats
brute force
dfs and similar
graphs
implementation
shortest paths
+
2300
669
252A
Little Xor
brute force
implementation
+
1100
5.9k
245F
Log Stream Analysis
binary search
brute force
implementation
strings
+
2000
1k
242A
Heads or Tails
brute force
implementation
+
1100
6.9k
241F
Race
brute force
implementation
+
2300
305
239B
Easy Tape Programming
brute force
implementation
+
1500
1.5k
236A
Boy or Girl
brute force
implementation
strings
+
800
289.6k
228B
Two Tables
brute force
implementation
+
1400
3.7k
222A
Shooshuns and Sequence
brute force
implementation
+
1200
12k
218A
Mountain Scenery
brute force
constructive algorithms
implementation
+
1100
10.7k
215A
Bicycle Chain
brute force
implementation
+
900
16.3k
215C
Crosses
brute force
implementation
+
2100
739
205A
Little Elephant and Rozdil
brute force
implementation
+
900
25.5k
203A
Two Problems
brute force
implementation
+
1200
4.5k
203B
Game on Paper
brute force
implementation
+
1300
2.8k
202A
LLPS
binary search
bitmasks
brute force
greedy
implementation
strings
+
800
20.1k
200C
Football Championship
brute force
implementation
+
1800
1.2k
200D
Programming Language
binary search
brute force
expression parsing
implementation
+
1800
1.1k
199A
Hexadecimal's theorem
brute force
constructive algorithms
implementation
number theory
+
900
30.8k
192A
Funky Numbers
binary search
brute force
implementation
+
1300
11.7k
192B
Walking in the Rain
brute force
implementation
+
1100
6.9k
182D
Common Divisors
brute force
hashing
implementation
math
strings
+
1400
9.4k
181A
Series of Crimes
brute force
geometry
implementation
+
800
8.9k
175A
Robot Bicorn Attack
brute force
implementation
+
1400
2.6k
172A
Phone Code
*special
brute force
implementation
+
800
8.2k
171F
ucyhf
*special
brute force
implementation
number theory
+
1600
1.5k
146B
Lucky Mask
brute force
implementation
+
1300
5k
140B
New Year Cards
brute force
greedy
implementation
+
1800
1.8k
135D
Cycle
brute force
dfs and similar
implementation
+
2500
331
134A
Average Numbers
brute force
implementation
+
1200
4.9k
129B
Students and Shoelaces
brute force
dfs and similar
graphs
implementation
+
1200
14.1k
128B
String
brute force
constructive algorithms
hashing
implementation
string suffix structures
strings
+
2100
2.9k
124B
Permutations
brute force
combinatorics
implementation
+
1400
5k
122B
Lucky Substring
brute force
implementation
+
1000
13.4k
120A
Elevator
brute force
implementation
math
+
1000
5.7k
109A
Lucky Sum of Digits
brute force
implementation
+
1000
20.1k
106B
Choosing Laptop
brute force
implementation
+
1000
6.9k
106D
Treasure Island
brute force
implementation
+
1700
1.5k
105C
Item World
brute force
implementation
sortings
+
2200
409
105D
Entertaining Geodetics
brute force
dsu
implementation
+
2700
149
98A
Help Victoria the Wise
brute force
implementation
+
1700
1.4k
97A
Domino
brute force
implementation
+
2400
352
97D
Robot in Basement
bitmasks
brute force
implementation
+
2700
386
93C
Azembler
brute force
implementation
+
2500
469
89C
Chip Play
brute force
data structures
implementation
+
2300
709
88A
Chord
brute force
implementation
+
1200
4.1k
85D
Sum of Medians
binary search
brute force
data structures
implementation
+
2300
2.5k
77A
Heroes
brute force
implementation
+
1400
2k
71D
Solitaire
brute force
implementation
+
2200
809
66B
Petya and Countryside
brute force
implementation
+
1100
23.4k
65B
Harry Potter and the History of Magic
brute force
greedy
implementation
+
1700
1.6k
63C
Bulls and Cows
brute force
implementation
+
1700
2k
49D
Game
brute force
dp
implementation
+
1800
2.2k
48B
Land Lot
brute force
implementation
+
1200
3.1k
46A
Ball Game
brute force
implementation
+
800
10.1k
43D
Journey
brute force
constructive algorithms
implementation
+
2000
1.3k
43E
Race
brute force
implementation
two pointers
+
2300
483
38B
Chess
brute force
implementation
math
+
1200
4.1k
34E
Collisions
brute force
implementation
math
+
2000
680
14C
Four Segments
brute force
constructive algorithms
geometry
implementation
math
+
1700
3.9k
9B
Running Student
brute force
geometry
implementation
+
1200
6.3k
9C
Hexadecimal's Numbers
brute force
implementation
math
+
1200
14.5k
3C
Tic-tac-toe
brute force
games
implementation
+
1800
8.4k
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