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Problems
#
Name
452A
Eevee
brute force
,
implementation
,
strings
1000
x7905
451C
Predict Outcome of the Game
brute force
,
implementation
,
math
1700
x3300
448E
Divisors
brute force
,
dfs and similar
,
implementation
,
number theory
2200
x1446
448D
Multiplication Table
binary search
,
brute force
1800
x13320
446B
DZY Loves Modification
brute force
,
data structures
,
greedy
2000
x3515
443B
Kolya and Tandem Repeat
brute force
,
implementation
,
strings
1500
x3985
442A
Borya and Hanabi
bitmasks
,
brute force
,
implementation
1700
x2094
440C
One-Based Arithmetic
brute force
,
dfs and similar
,
divide and conquer
1800
x891
439C
Devu and Partitioning of the Array
brute force
,
constructive algorithms
,
implementation
,
number theory
1700
x3798
436F
Banners
brute force
,
data structures
,
dp
3000
x358
435D
Special Grid
brute force
,
dp
,
greedy
2000
x746
433A
Kitahara Haruki's Gift
brute force
,
implementation
1100
x15787
432B
Football Kit
brute force
,
greedy
,
implementation
1200
x11482
431B
Shower Line
brute force
,
implementation
1200
x10496
430B
Balls Game
brute force
,
two pointers
1400
x3632
425A
Sereja and Swaps
brute force
,
sortings
1500
x3814
424D
Biathlon Track
binary search
,
brute force
,
constructive algorithms
,
data structures
,
dp
2300
x557
416B
Art Union
brute force
,
dp
,
implementation
1300
x8529
409H
A + B Strikes Back
*special problem
,
brute force
,
constructive algorithms
,
dsu
,
implementation
1500
x8692
407C
Curious Array
brute force
,
combinatorics
,
implementation
,
math
2500
x955
407A
Triangle
brute force
,
geometry
,
implementation
,
math
1600
x4750
402C
Searching for Graph
brute force
,
constructive algorithms
,
graphs
1500
x5703
402B
Trees in a Row
brute force
,
implementation
1400
x3689
401D
Roman and Numbers
bitmasks
,
brute force
,
combinatorics
,
dp
,
number theory
2000
x3972
400B
Inna and New Matrix of Candies
brute force
,
implementation
,
schedules
1200
x7349
394D
Physical Education and Buns
brute force
,
implementation
,
math
x261
394A
Counting Sticks
brute force
,
implementation
x2633
391D1
Supercollider
brute force
x201
391C1
The Tournament
brute force
x182
391B
Word Folding
brute force
x380
387B
George and Round
brute force
,
greedy
,
two pointers
1200
x11925
386B
Fly, freebies, fly!
binary search
,
brute force
,
implementation
1400
x2090
385C
Bear and Prime Numbers
binary search
,
brute force
,
data structures
,
dp
,
implementation
,
math
,
number theory
1700
x9397
385B
Bear and Strings
brute force
,
greedy
,
implementation
,
math
,
strings
1200
x9547
385A
Bear and Raspberry
brute force
,
greedy
,
implementation
1000
x16235
380A
Sereja and Prefixes
binary search
,
brute force
1600
x2655
379D
New Year Letter
bitmasks
,
brute force
,
dp
2000
x1483
378A
Playing with Dice
brute force
800
x23150
372B
Counting Rectangles is Fun
brute force
,
divide and conquer
,
dp
1900
x2522
371C
Hamburgers
binary search
,
brute force
1600
x23744
370D
Broken Monitor
brute force
,
constructive algorithms
,
greedy
,
implementation
2100
x613
366E
Dima and Magic Guitar
brute force
,
implementation
,
math
2200
x743
366B
Dima and To-do List
brute force
,
implementation
1200
x6729
364D
Ghd
brute force
,
math
,
probabilities
2900
x1969
364C
Beautiful Set
brute force
,
number theory
2300
x582
363E
Two Circles
brute force
,
data structures
,
implementation
2500
x192
363B
Fence
brute force
,
dp
1100
x49379
359D
Pair of Numbers
binary search
,
brute force
,
data structures
,
math
,
two pointers
2000
x4845
358E
Dima and Kicks
brute force
,
dsu
,
graphs
,
implementation
2300
x386
358B
Dima and Text Messages
brute force
,
strings
1500
x3683
358A
Dima and Continuous Line
brute force
,
implementation
1400
x7607
357A
Group of Students
brute force
,
greedy
,
implementation
1000
x6700
354C
Vasya and Beautiful Arrays
brute force
,
dp
,
number theory
2100
x2983
354A
Vasya and Robot
brute force
,
greedy
,
math
1500
x5398
352A
Jeff and Digits
brute force
,
implementation
,
math
1000
x24694
350E
Wrong Floyd
brute force
,
constructive algorithms
,
dfs and similar
,
graphs
2200
x750
350A
TL
brute force
,
greedy
,
implementation
1200
x15992
348C
Subset Sums
brute force
,
data structures
2500
x2097
347B
Fixed Points
brute force
,
implementation
,
math
1100
x9151
344B
Simple Molecules
brute force
,
graphs
,
math
1200
x8689
343E
Pumping Stations
brute force
,
dfs and similar
,
divide and conquer
,
flows
,
graphs
,
greedy
,
trees
2900
x688
342B
Xenia and Spies
brute force
,
greedy
,
implementation
1500
x3985
340B
Maximal Area Quadrilateral
brute force
,
geometry
2100
x2025
337E
Divisor Tree
brute force
,
number theory
,
trees
2200
x1005
336C
Vasily the Bear and Sequence
brute force
,
greedy
,
implementation
,
number theory
1800
x2372
335D
Rectangles and Square
brute force
,
dp
2400
x304
333E
Summer Earnings
binary search
,
bitmasks
,
brute force
,
geometry
,
sortings
2500
x1070
333D
Characteristics of Rectangles
binary search
,
bitmasks
,
brute force
,
implementation
,
sortings
2100
x1849
333C
Lucky Tickets
brute force
,
constructive algorithms
2700
x374
331A1
Oh Sweet Beaverette
brute force
,
implementation
1400
x1337
330A
Cakeminator
brute force
,
implementation
800
x27500
327A
Flipping Game
brute force
,
dp
,
implementation
1200
x40091
320A
Magic Numbers
brute force
,
greedy
900
x33804
317B
Ants
brute force
,
implementation
2000
x1547
317A
Perfect Pair
brute force
1600
x4533
316E1
Summer Homework
brute force
,
data structures
1500
x1447
316D1
PE Lesson
brute force
,
dp
2300
x481
316B1
EKG
brute force
,
dfs and similar
1500
x1361
315A
Sereja and Bottles
brute force
1400
x10728
311C
Fetch the Treasure
brute force
,
data structures
,
graphs
,
shortest paths
2500
x475
309D
Tennis Rackets
brute force
,
geometry
2700
x172
305B
Continued Fractions
brute force
,
implementation
,
math
1700
x2032
305A
Strange Addition
brute force
,
constructive algorithms
,
implementation
1600
x4626
304B
Calendar
brute force
,
implementation
1300
x2920
304A
Pythagorean Theorem II
brute force
,
math
1200
x10137
303C
Minimum Modular
brute force
,
graphs
,
math
,
number theory
2400
x854
300C
Beautiful Numbers
brute force
,
combinatorics
1800
x8896
300B
Coach
brute force
,
dfs and similar
,
graphs
1500
x6117
300A
Array
brute force
,
constructive algorithms
,
implementation
1100
x21939
299B
Ksusha the Squirrel
brute force
,
implementation
900
x5133
299A
Ksusha and Array
brute force
,
number theory
,
sortings
1000
x7763
298B
Sail
brute force
,
greedy
,
implementation
1200
x13569
294D
Shaass and Painter Robot
brute force
,
implementation
,
number theory
2500
x299
293C
Cube Problem
brute force
,
math
,
number theory
2400
x554
293B
Distinct Paths
brute force
,
combinatorics
2700
x773
292C
Beautiful IP Addresses
brute force
2000
x933
291C
Network Mask
*special problem
,
bitmasks
,
brute force
,
implementation
1600
x1665
289B
Polo the Penguin and Matrix
brute force
,
dp
,
implementation
,
sortings
,
ternary search
1400
x16774
289A
Polo the Penguin and Segments
brute force
,
implementation
1100
x8724
287A
IQ Test
brute force
,
implementation
1100
x18864
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