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ICPC Challenge
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Contest is running
2023-2024 ICPC, Asia Jakarta Regional Contest (Online Mirror, Unrated, ICPC Rules, Teams Preferred)
01:06:26
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Before contest
Educational Codeforces Round 159 (Rated for Div. 2)
06:06:26
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math
combine-tags-by-or
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2-sat
binary search
bitmasks
brute force
chinese remainder theorem
combinatorics
constructive algorithms
data structures
dfs and similar
divide and conquer
dp
dsu
expression parsing
fft
flows
games
geometry
graph matchings
graphs
greedy
hashing
implementation
interactive
math
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number theory
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Problems
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Custom test
Problems
#
Name
4A
Watermelon
brute force
,
math
800
x440684
1A
Theatre Square
math
1000
x229344
50A
Domino piling
greedy
,
math
800
x210459
617A
Elephant
math
800
x154154
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x153238
69A
Young Physicist
implementation
,
math
1000
x143738
486A
Calculating Function
implementation
,
math
800
x100301
200B
Drinks
implementation
,
math
800
x98549
318A
Even Odds
math
900
x97912
1328A
Divisibility Problem
math
800
x84955
479A
Expression
brute force
,
math
1000
x82842
148A
Insomnia cure
constructive algorithms
,
implementation
,
math
800
x80705
1335A
Candies and Two Sisters
math
800
x72628
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x66459
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x65369
1352A
Sum of Round Numbers
implementation
,
math
800
x64800
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x64541
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x63997
581A
Vasya the Hipster
implementation
,
math
800
x62647
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x62206
1154A
Restoring Three Numbers
math
800
x61269
151A
Soft Drinking
implementation
,
math
800
x59010
1409A
Yet Another Two Integers Problem
greedy
,
math
800
x58148
472A
Design Tutorial: Learn from Math
math
,
number theory
800
x53630
758A
Holiday Of Equality
implementation
,
math
800
x52910
1343B
Balanced Array
constructive algorithms
,
math
800
x50708
1475A
Odd Divisor
math
,
number theory
900
x49683
9A
Die Roll
math
,
probabilities
800
x47816
1374A
Required Remainder
math
800
x47697
1367B
Even Array
greedy
,
math
800
x47264
1624A
Plus One on the Subset
math
800
x46646
1433A
Boring Apartments
implementation
,
math
800
x46327
1360A
Minimal Square
greedy
,
math
800
x45582
1370A
Maximum GCD
greedy
,
implementation
,
math
,
number theory
800
x45548
1551A
Polycarp and Coins
greedy
,
math
800
x45226
1352C
K-th Not Divisible by n
binary search
,
math
1200
x45064
1472B
Fair Division
dp
,
greedy
,
math
800
x44606
520B
Two Buttons
dfs and similar
,
graphs
,
greedy
,
implementation
,
math
,
shortest paths
1400
x44584
749A
Bachgold Problem
greedy
,
implementation
,
math
,
number theory
800
x43761
1343A
Candies
brute force
,
math
900
x43705
1475B
New Year's Number
brute force
,
dp
,
math
900
x43293
1283A
Minutes Before the New Year
math
800
x42897
1426A
Floor Number
implementation
,
math
800
x42337
1374B
Multiply by 2, divide by 6
math
900
x42216
460A
Vasya and Socks
brute force
,
implementation
,
math
900
x42151
1371A
Magical Sticks
math
800
x41888
1294A
Collecting Coins
math
800
x41770
270A
Fancy Fence
geometry
,
implementation
,
math
1100
x41277
1676B
Equal Candies
greedy
,
math
,
sortings
800
x41048
1520B
Ordinary Numbers
brute force
,
math
,
number theory
800
x40826
959A
Mahmoud and Ehab and the even-odd game
games
,
math
800
x40566
584A
Olesya and Rodion
math
1000
x40337
1542A
Odd Set
math
800
x39791
1472A
Cards for Friends
greedy
,
math
800
x39335
1311A
Add Odd or Subtract Even
greedy
,
implementation
,
math
800
x39313
476A
Dreamoon and Stairs
implementation
,
math
1000
x38463
1857A
Array Coloring
greedy
,
math
800
x38359
1520D
Same Differences
data structures
,
hashing
,
math
1200
x38040
233A
Perfect Permutation
implementation
,
math
800
x37661
1353A
Most Unstable Array
constructive algorithms
,
greedy
,
math
800
x37551
1296A
Array with Odd Sum
math
800
x37467
1348A
Phoenix and Balance
greedy
,
math
800
x37339
742A
Arpa’s hard exam and Mehrdad’s naive cheat
implementation
,
math
,
number theory
1000
x37084
1358A
Park Lighting
greedy
,
math
800
x36774
1873B
Good Kid
brute force
,
greedy
,
math
800
x36728
1729A
Two Elevators
math
800
x36618
1579A
Casimir's String Solitaire
math
,
strings
800
x36388
1389A
LCM Problem
constructive algorithms
,
greedy
,
math
,
number theory
800
x36258
1342A
Road To Zero
greedy
,
math
1000
x36258
1385A
Three Pairwise Maximums
math
800
x36152
1327A
Sum of Odd Integers
math
1100
x34927
1368A
C+=
brute force
,
greedy
,
implementation
,
math
800
x34714
1369A
FashionabLee
geometry
,
math
800
x34615
1537A
Arithmetic Array
greedy
,
math
800
x34447
1337A
Ichihime and Triangle
constructive algorithms
,
math
800
x34278
1872A
Two Vessels
brute force
,
greedy
,
math
800
x34046
124A
The number of positions
math
1000
x33989
1593A
Elections
math
800
x33912
1790A
Polycarp and the Day of Pi
implementation
,
math
,
strings
800
x33903
1660A
Vasya and Coins
greedy
,
math
800
x33741
1560B
Who's Opposite?
math
800
x33564
478B
Random Teams
combinatorics
,
constructive algorithms
,
greedy
,
math
1300
x33522
1521A
Nastia and Nearly Good Numbers
constructive algorithms
,
math
,
number theory
1000
x33315
1353C
Board Moves
math
1000
x32955
1352B
Same Parity Summands
constructive algorithms
,
math
1200
x32879
1363A
Odd Selection
brute force
,
implementation
,
math
1200
x32847
1476A
K-divisible Sum
binary search
,
constructive algorithms
,
greedy
,
math
1000
x32597
1473A
Replacing Elements
greedy
,
implementation
,
math
,
sortings
800
x31899
1337B
Kana and Dragon Quest game
greedy
,
implementation
,
math
900
x31898
1624B
Make AP
implementation
,
math
900
x31868
1669C
Odd/Even Increments
greedy
,
greedy
,
implementation
,
math
800
x30613
1618A
Polycarp and Sums of Subsequences
math
,
sortings
800
x30437
1538B
Friends and Candies
greedy
,
math
800
x30248
1716A
2-3 Moves
greedy
,
math
800
x30106
1339A
Filling Diamonds
brute force
,
dp
,
implementation
,
math
900
x30079
1294C
Product of Three Numbers
greedy
,
math
,
number theory
1300
x29971
1675A
Food for Animals
greedy
,
math
800
x29942
1858A
Buttons
games
,
greedy
,
math
800
x29790
1549A
Gregor and Cryptography
math
,
number theory
800
x29777
1490A
Dense Array
greedy
,
math
800
x29722
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