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82 problems · filtered by 3 tags
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Name
✎
Rating
↕
Solved
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2244E
Masha and the Garland
data structures
dp
greedy
implementation
math
number theory
strings
+
unrated
7.6k
2242E
Product of Closures
bitmasks
brute force
constructive algorithms
greedy
implementation
math
number theory
+
2200
1.4k
2241G
Summmon
binary search
data structures
greedy
implementation
math
number theory
+
2400
831
2215B
RReeppeettiittiioonn
binary search
brute force
implementation
math
number theory
+
2000
1.3k
2179C
Blackslex and Number Theory
implementation
math
number theory
sortings
+
1100
23.2k
2169D1
Removal of a Sequence (Easy Version)
binary search
implementation
math
number theory
+
1500
9k
2169D2
Removal of a Sequence (Hard Version)
binary search
divide and conquer
greedy
implementation
math
number theory
+
2100
2.4k
2167D
Yet Another Array Problem
brute force
implementation
math
number theory
+
1000
31.5k
2154C1
No Cost Too Great (Easy Version)
greedy
implementation
math
number theory
+
1400
14.2k
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
2097C
Bermuda Triangle
chinese remainder theorem
geometry
implementation
math
number theory
+
2400
1k
2048A
Kevin and Combination Lock
brute force
greedy
implementation
math
number theory
+
800
23k
2044E
Insane Problem
binary search
greedy
implementation
math
number theory
+
1300
18.6k
2032A
Circuit
greedy
implementation
math
number theory
+
800
24.9k
1995C
Squaring
brute force
constructive algorithms
greedy
implementation
math
number theory
+
1800
10.4k
1982B
Collatz Conjecture
brute force
implementation
math
number theory
+
1200
20k
1982D
Beauty of the mountains
brute force
data structures
implementation
math
number theory
+
1700
10.2k
1980D
GCD-sequence
greedy
implementation
math
number theory
+
1400
17.7k
1955G
GCD on a grid
brute force
dfs and similar
dp
implementation
math
number theory
+
1900
6.1k
1954E
Chain Reaction
binary search
data structures
dsu
greedy
implementation
math
number theory
+
2200
3k
1933B
Turtle Math: Fast Three Task
implementation
math
number theory
+
800
37k
1933C
Turtle Fingers: Count the Values of k
brute force
implementation
math
number theory
+
1100
25.7k
1932E
Final Countdown
implementation
math
number theory
+
1600
10.4k
1926E
Vlad and an Odd Ordering
binary search
bitmasks
data structures
dp
implementation
math
number theory
+
1500
15.2k
1917D
Yet Another Inversions Problem
combinatorics
data structures
dp
implementation
math
number theory
+
2300
2.1k
1916A
2023
constructive algorithms
implementation
math
number theory
+
800
28.5k
1850F
We Were Both Children
brute force
implementation
math
number theory
+
1300
25.4k
1848E
Vika and Stone Skipping
brute force
implementation
math
number theory
+
2600
981
1845A
Forbidden Integer
constructive algorithms
implementation
math
number theory
+
800
51.1k
1844G
Tree Weights
bitmasks
constructive algorithms
data structures
dfs and similar
implementation
math
matrices
number theory
trees
+
3000
1.2k
1834E
MEX of LCM
binary search
data structures
implementation
math
number theory
+
2300
2.9k
1789E
Serval and Music Game
brute force
dp
implementation
math
number theory
+
2500
1k
1763D
Valid Bitonic Permutations
combinatorics
dp
implementation
math
number theory
+
2200
2.4k
1732A
Bestie
brute force
combinatorics
constructive algorithms
implementation
math
number theory
+
1000
17.8k
1718B
Fibonacci Strings
greedy
implementation
math
number theory
+
2000
3.5k
1658E
Gojou and Matrix Game
data structures
dp
games
hashing
implementation
math
number theory
sortings
+
2500
1.3k
1617E
Christmas Chocolates
dfs and similar
dp
games
graphs
implementation
math
number theory
shortest paths
trees
+
2700
1.1k
1609A
Divide and Multiply
greedy
implementation
math
number theory
+
900
19.1k
1605E
Array Equalizer
binary search
greedy
implementation
math
number theory
sortings
two pointers
+
2400
1.2k
1592D
Hemose in ICPC ?
binary search
dfs and similar
implementation
interactive
math
number theory
trees
+
2300
2.7k
1562B
Scenes From a Memory
brute force
constructive algorithms
implementation
math
number theory
+
1000
20.7k
1541B
Pleasant Pairs
brute force
implementation
math
number theory
+
1200
40.3k
1493D
GCD of an Array
brute force
data structures
hashing
implementation
math
number theory
sortings
two pointers
+
2100
5.9k
1419E
Decryption
constructive algorithms
implementation
math
number theory
+
2100
3.5k
1401D
Maximum Distributed Tree
dfs and similar
dp
greedy
implementation
math
number theory
sortings
trees
+
1800
10.7k
1370A
Maximum GCD
greedy
implementation
math
number theory
+
800
66.6k
1333F
Kate and imperfection
greedy
implementation
math
number theory
sortings
two pointers
+
2200
4.6k
1312C
Adding Powers
bitmasks
greedy
implementation
math
number theory
ternary search
+
1400
18.5k
1209B
Koala and Lights
implementation
math
number theory
+
1300
8.6k
1200F
Graph Traveler
brute force
data structures
dfs and similar
dp
graphs
implementation
math
number theory
+
2300
1.2k
1114C
Trailing Loves (or L'oeufs?)
brute force
implementation
math
number theory
+
1700
8k
1107D
Compression
dp
implementation
math
number theory
+
1800
3.9k
1098E
Fedya the Potter
binary search
implementation
math
number theory
+
3400
372
1076B
Divisor Subtraction
implementation
math
number theory
+
1200
14.8k
1061C
Multiplicity
data structures
dp
implementation
math
number theory
+
1700
11k
876B
Divisiblity of Differences
implementation
math
number theory
+
1300
10.4k
830C
Bamboo Partition
brute force
data structures
implementation
math
number theory
sortings
two pointers
+
2300
1.3k
822A
I'm bored with life
implementation
math
number theory
+
800
37.4k
817A
Treasure Hunt
implementation
math
number theory
+
1200
6.9k
797A
k-Factorization
implementation
math
number theory
+
1100
20.5k
763C
Timofey and remoduling
brute force
implementation
math
number theory
+
2600
816
749A
Bachgold Problem
greedy
implementation
math
number theory
+
800
58.1k
742A
Arpa’s hard exam and Mehrdad’s naive cheat
implementation
math
number theory
+
1000
53.3k
731F
Video Cards
brute force
data structures
implementation
math
number theory
+
1900
3.2k
724C
Ray Tracing
greedy
hashing
implementation
math
number theory
sortings
+
1800
2.3k
678C
Joty and Chocolate
implementation
math
number theory
+
1600
11.2k
660A
Co-prime Array
greedy
implementation
math
number theory
+
1200
10.6k
616E
Sum of Remainders
implementation
math
number theory
+
2200
3.7k
573A
Bear and Poker
implementation
math
number theory
+
1300
18.8k
568A
Primes or Palindromes?
brute force
implementation
math
number theory
+
1600
5.4k
551D
GukiZ and Binary Operations
combinatorics
implementation
math
matrices
number theory
+
2100
2.1k
519C
A and B and Team Training
greedy
implementation
math
number theory
+
1300
20.8k
483A
Counterexample
brute force
implementation
math
number theory
+
1100
25.1k
460B
Little Dima and Equation
brute force
implementation
math
number theory
+
1500
13.5k
385C
Bear and Prime Numbers
binary search
brute force
data structures
dp
implementation
math
number theory
+
1700
10.8k
353C
Find Maximum
implementation
math
number theory
+
1600
5.3k
284A
Cows and Primitive Roots
implementation
math
number theory
+
1400
7.4k
235E
Number Challenge
combinatorics
dp
implementation
math
number theory
+
2600
963
230B
T-primes
binary search
implementation
math
number theory
+
1300
99.4k
226C
Anniversary
data structures
implementation
math
matrices
number theory
+
2400
1k
222C
Reducing Fractions
implementation
math
number theory
sortings
+
1800
3k
200E
Tractor College
implementation
math
number theory
ternary search
+
2400
374
showing 1–82 of 82