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Problems
#
Name
322B
Ciel and Flowers
combinatorics
,
math
1600
x11512
1407C
Chocolate Bunny
constructive algorithms
,
interactive
,
math
,
two pointers
1600
x11427
1294D
MEX maximizing
data structures
,
greedy
,
implementation
,
math
1600
x11319
1213D2
Equalizing by Division (hard version)
brute force
,
math
,
sortings
1600
x11059
1217B
Zmei Gorynich
greedy
,
math
1600
x10911
1956C
Nene's Magical Matrix
constructive algorithms
,
greedy
,
math
1600
x10824
1857F
Sum and Product
binary search
,
data structures
,
math
1600
x10480
559A
Gerald's Hexagon
brute force
,
geometry
,
math
1600
x10290
1582D
Vupsen, Pupsen and 0
constructive algorithms
,
math
1600
x10152
1703G
Good Key, Bad Key
bitmasks
,
brute force
,
dp
,
greedy
,
math
1600
x10056
1512E
Permutation by Sum
brute force
,
greedy
,
math
1600
x10039
1796C
Maximum Set
binary search
,
math
1600
x9818
1822E
Making Anti-Palindromes
greedy
,
math
,
strings
1600
x9735
1775C
Interesting Sequence
bitmasks
,
math
1600
x9700
1829G
Hits Different
data structures
,
dp
,
implementation
,
math
1600
x9452
1917C
Watering an Array
brute force
,
greedy
,
implementation
,
math
1600
x9438
1798D
Shocking Arrangement
constructive algorithms
,
greedy
,
math
1600
x9100
678C
Joty and Chocolate
implementation
,
math
,
number theory
1600
x9069
1771C
Hossam and Trainees
greedy
,
math
,
number theory
1600
x9054
1921E
Eat the Chip
brute force
,
games
,
greedy
,
math
1600
x8949
1530D
Secret Santa
constructive algorithms
,
flows
,
graphs
,
greedy
,
math
1600
x8901
1612D
X-Magic Pair
math
,
number theory
1600
x8850
1658D1
388535 (Easy Version)
bitmasks
,
math
1600
x8776
500B
New Year Permutation
dfs and similar
,
dsu
,
graphs
,
greedy
,
math
,
sortings
1600
x8715
1225C
p-binary
bitmasks
,
brute force
,
math
1600
x8655
343A
Rational Resistance
math
,
number theory
1600
x8534
1795D
Triangle Coloring
combinatorics
,
math
1600
x8504
346A
Alice and Bob
games
,
math
,
number theory
1600
x8470
1766D
Lucky Chains
math
,
number theory
1600
x8424
1151D
Stas and the Queue at the Buffet
greedy
,
math
,
sortings
1600
x8219
1660D
Maximum Product Strikes Back
brute force
,
implementation
,
math
,
two pointers
1600
x8181
1615C
Menorah
brute force
,
graphs
,
greedy
,
math
1600
x8066
1165E
Two Arrays and Sum of Functions
greedy
,
math
,
sortings
1600
x7974
1452D
Radio Towers
combinatorics
,
dp
,
math
1600
x7774
1957C
How Does the Rook Move?
combinatorics
,
dp
,
math
1600
x7731
1284C
New Year and Permutation
combinatorics
,
math
1600
x7717
888D
Almost Identity Permutations
combinatorics
,
dp
,
math
1600
x7645
603A
Alternative Thinking
dp
,
greedy
,
math
1600
x7548
1928C
Physical Education Lesson
brute force
,
math
,
number theory
1600
x7535
735C
Tennis Championship
combinatorics
,
constructive algorithms
,
greedy
,
math
1600
x7345
1029C
Maximal Intersection
greedy
,
math
,
sortings
1600
x7319
1806C
Sequence Master
brute force
,
constructive algorithms
,
math
1600
x7222
785C
Anton and Fairy Tale
binary search
,
math
1600
x7198
1238C
Standard Free2play
dp
,
greedy
,
math
1600
x7104
817C
Really Big Numbers
binary search
,
brute force
,
dp
,
math
1600
x7064
1811D
Umka and a Long Flight
constructive algorithms
,
implementation
,
math
1600
x7061
1059C
Sequence Transformation
constructive algorithms
,
math
1600
x6979
1932E
Final Countdown
implementation
,
math
,
number theory
1600
x6869
1787C
Remove the Bracket
dp
,
greedy
,
math
1600
x6735
495B
Modular Equations
math
,
number theory
1600
x6513
1971F
Circle Perimeter
binary search
,
brute force
,
dfs and similar
,
geometry
,
implementation
,
math
1600
x6493
750C
New Year and Rating
binary search
,
greedy
,
math
1600
x6493
71C
Round Table Knights
dp
,
math
,
number theory
1600
x6241
992B
Nastya Studies Informatics
math
,
number theory
1600
x6110
197A
Plate Game
constructive algorithms
,
games
,
math
1600
x6045
538C
Tourist's Notes
binary search
,
brute force
,
greedy
,
implementation
,
math
1600
x5760
500C
New Year Book Reading
constructive algorithms
,
greedy
,
implementation
,
math
1600
x5747
525C
Ilya and Sticks
greedy
,
math
,
sortings
1600
x5704
573B
Bear and Blocks
binary search
,
data structures
,
dp
,
math
1600
x5703
1036B
Diagonal Walking v.2
math
1600
x5621
712C
Memory and De-Evolution
greedy
,
math
1600
x5556
715A
Plus and Square Root
constructive algorithms
,
math
1600
x5546
476C
Dreamoon and Sums
math
1600
x5409
741A
Arpa's loud Owf and Mehrdad's evil plan
dfs and similar
,
math
1600
x5401
1085C
Connect Three
implementation
,
math
1600
x5367
1062C
Banh-mi
greedy
,
implementation
,
math
1600
x5316
424C
Magic Formulas
math
1600
x5199
568A
Primes or Palindromes?
brute force
,
implementation
,
math
,
number theory
1600
x5001
534C
Polycarpus' Dice
math
1600
x4931
214B
Hometask
brute force
,
constructive algorithms
,
greedy
,
math
1600
x4888
337C
Quiz
binary search
,
greedy
,
math
,
matrices
,
number theory
1600
x4777
407A
Triangle
brute force
,
geometry
,
implementation
,
math
1600
x4750
353C
Find Maximum
implementation
,
math
,
number theory
1600
x4745
1423K
Lonely Numbers
binary search
,
math
,
number theory
,
two pointers
1600
x4681
375A
Divisible by Seven
math
,
number theory
1600
x4666
405C
Unusual Product
implementation
,
math
1600
x4570
992C
Nastya and a Wardrobe
math
1600
x4513
597A
Divisibility
math
1600
x4414
11B
Jumping Jack
math
1600
x4335
626C
Block Towers
brute force
,
greedy
,
math
,
number theory
1600
x4288
154B
Colliders
math
,
number theory
1600
x4257
340C
Tourist Problem
combinatorics
,
implementation
,
math
1600
x4110
1056B
Divide Candies
math
,
number theory
1600
x4076
150B
Quantity of Strings
combinatorics
,
dfs and similar
,
graphs
,
math
1600
x3971
746C
Tram
constructive algorithms
,
implementation
,
math
1600
x3684
269A
Magical Boxes
greedy
,
math
1600
x3478
444A
DZY Loves Physics
greedy
,
math
1600
x3370
107B
Basketball Team
combinatorics
,
dp
,
math
,
probabilities
1600
x3292
23B
Party
constructive algorithms
,
graphs
,
math
1600
x3201
595B
Pasha and Phone
binary search
,
math
1600
x2895
319A
Malek Dance Club
combinatorics
,
math
1600
x2757
630G
Challenge Pennants
combinatorics
,
math
1600
x2633
272D
Dima and Two Sequences
combinatorics
,
math
,
sortings
1600
x2586
142A
Help Farmer
brute force
,
math
1600
x2576
373B
Making Sequences is Fun
binary search
,
implementation
,
math
1600
x2439
135B
Rectangle and Square
brute force
,
geometry
,
math
1600
x2296
209A
Multicolored Marbles
dp
,
math
1600
x2250
167A
Wizards and Trolleybuses
implementation
,
math
1600
x2012
958E1
Guard Duty (easy)
brute force
,
geometry
,
greedy
,
math
1600
x1480
86A
Reflection
math
1600
x1342
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