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Problems
#
Name
2132B
The Secret Number
math
900
x35200
2132A
Homework
brute force
,
implementation
,
strings
800
x46171
2131B
Alternating Series
constructive algorithms
,
greedy
,
math
800
x31870
2131A
Lever
math
800
x40285
2130A
Submission is All You Need
greedy
,
math
800
x29320
2128A
Recycling Center
greedy
,
sortings
800
x29416
2127A
Mix Mex Max
constructive algorithms
,
greedy
,
math
800
x22290
2126B
No Casino in the Mountains
dp
,
greedy
800
x39070
2126A
Only One Digit
brute force
,
implementation
,
math
800
x55162
2125B
Left and Down
math
,
number theory
900
x29200
2125A
Difficult Contest
constructive algorithms
,
implementation
,
sortings
,
strings
800
x28887
2124B
Minimise Sum
greedy
1000
x23300
2124A
Deranged Deletions
greedy
,
sortings
800
x21671
2123C
Prefix Min and Suffix Max
brute force
,
data structures
1000
x32370
2123B
Tournament
greedy
800
x35893
2123A
Blackboard Game
math
800
x42987
2122A
Greedy Grid
constructive algorithms
,
greedy
800
x21733
2121B
Above the Clouds
constructive algorithms
,
greedy
,
strings
800
x33210
2121A
Letter Home
brute force
,
math
800
x40358
2120B
Square Pool
geometry
1000
x18333
2120A
Square of Rectangles
geometry
,
math
800
x20773
2119A
Add or XOR
bitmasks
,
greedy
,
math
800
x28029
2118A
Equal Subsequences
constructive algorithms
,
greedy
800
x29680
2117B
Shrink
constructive algorithms
800
x32963
2117A
False Alarm
greedy
,
implementation
800
x39312
2116A
Gellyfish and Tricolor Pansy
games
,
greedy
800
x27375
2114C
Need More Arrays
dp
,
greedy
1000
x32223
2114B
Not Quite a Palindromic String
greedy
,
math
900
x31557
2114A
Square Year
binary search
,
brute force
,
math
800
x45112
2113A
Shashliks
greedy
,
math
800
x20928
2112A
Race
implementation
,
math
800
x30069
2111A
Energy Crystals
greedy
,
implementation
,
math
800
x21062
2110B
Down with Brackets
strings
900
x28705
2110A
Fashionable Array
implementation
,
sortings
800
x30626
2109A
It's Time To Duel
implementation
800
x27444
2108A
Permutation Warm-Up
combinatorics
,
greedy
,
math
800
x22568
2107A
LRC and VIP
greedy
,
number theory
800
x22568
2106C
Cherry Bomb
greedy
,
math
,
sortings
1000
x26638
2106B
St. Chroma
constructive algorithms
,
greedy
,
math
900
x29360
2106A
Dr. TC
brute force
,
math
800
x37657
2104B
Move to the End
brute force
,
data structures
,
dp
,
greedy
,
implementation
1000
x21691
2104A
Three Decks
math
800
x26892
2103A
Common Multiple
brute force
,
greedy
,
implementation
,
math
800
x25407
2102B
The Picky Cat
implementation
,
sortings
900
x20614
2102A
Dinner Time
constructive algorithms
,
math
900
x22349
2098A
Vadim's Collection
brute force
,
greedy
800
x15084
2096A
Wonderful Sticks
constructive algorithms
,
greedy
800
x21034
2094C
Brr Brrr Patapim
math
900
x31900
2094B
Bobritto Bandito
brute force
,
constructive algorithms
800
x34411
2094A
Trippi Troppi
strings
800
x59620
2093C
Simple Repetition
math
,
number theory
1000
x32226
2093B
Expensive Number
greedy
,
math
900
x32148
2093A
Ideal Generator
math
800
x42208
2092B
Lady Bug
brute force
,
constructive algorithms
,
implementation
,
math
1000
x25770
2092A
Kamilka and the Sheep
greedy
,
math
,
number theory
,
sortings
800
x29122
2091C
Combination Lock
constructive algorithms
,
greedy
1000
x29783
2091B
Team Training
dp
,
greedy
,
sortings
800
x33499
2091A
Olympiad Date
greedy
,
strings
800
x39968
2090B
Pushing Balls
brute force
,
dp
,
implementation
1000
x17100
2090A
Treasure Hunt
implementation
,
math
800
x21880
2086A
Cloudberry Jam
math
800
x34374
2085A
Serval and String Theory
constructive algorithms
,
implementation
900
x24217
2084A
Max and Mod
constructive algorithms
,
math
800
x17689
2082A
Binary Matrix
constructive algorithms
,
greedy
800
x11406
2078A
Final Verdict
math
800
x23618
2075A
To Zero
greedy
,
math
800
x28383
2074B
The Third Side
geometry
,
greedy
,
math
800
x35899
2074A
Draw a Square
geometry
,
implementation
800
x45961
2072B
Having Been a Treasurer in the Past, I Help Goblins Deceive
combinatorics
,
constructive algorithms
,
strings
900
x31966
2072A
New World, New Me, New Array
greedy
,
implementation
,
math
800
x41765
2071A
The Play Never Ends
math
,
number theory
800
x28422
2070A
FizzBuzz Remixed
brute force
,
math
800
x26952
2069A
Was there an Array?
graph matchings
,
greedy
800
x26947
2067A
Adjacent Digit Sums
brute force
,
constructive algorithms
,
math
800
x26197
2065B
Skibidus and Ohio
strings
800
x43846
2065A
Skibidus and Amog'u
brute force
,
constructive algorithms
,
greedy
,
implementation
,
strings
800
x58228
2064A
Brogramming Contest
greedy
,
strings
800
x27526
2063A
Minimal Coprime
math
,
number theory
800
x32649
2062B
Clockwork
greedy
,
math
900
x24468
2062A
String
constructive algorithms
,
greedy
,
math
,
strings
800
x28821
2061A
Kevin and Arithmetic
math
800
x22636
2060C
Game of Mathletes
games
,
greedy
,
sortings
,
two pointers
900
x33615
2060B
Farmer John's Card Game
greedy
,
sortings
1000
x29416
2060A
Fibonacciness
brute force
800
x42292
2059A
Milya and Two Arrays
constructive algorithms
,
greedy
,
sortings
800
x29670
2057B
Gorilla and the Exam
greedy
,
sortings
1000
x23933
2057A
MEX Table
constructive algorithms
,
math
800
x27930
2056A
Shape Perimeter
constructive algorithms
,
math
800
x27129
2055B
Crafting
constructive algorithms
,
greedy
,
sortings
1000
x28056
2055A
Two Frogs
constructive algorithms
,
games
,
greedy
,
math
800
x34314
2053A
Tender Carpenter
dp
,
geometry
,
greedy
,
math
800
x21481
2051C
Preparing for the Exam
constructive algorithms
,
implementation
1000
x28935
2051B
Journey
binary search
,
math
800
x41449
2051A
Preparing for the Olympiad
greedy
800
x35965
2050A
Line Breaks
implementation
800
x37339
2049A
MEX Destruction
greedy
,
implementation
800
x24510
2048B
Kevin and Permutation
constructive algorithms
,
greedy
900
x21206
2048A
Kevin and Combination Lock
brute force
,
greedy
,
implementation
,
math
,
number theory
800
x23182
2047B
Replace Character
brute force
,
combinatorics
,
greedy
,
strings
900
x20015
2047A
Alyona and a Square Jigsaw Puzzle
implementation
,
math
800
x18190
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