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2025-09-06
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list of classical problems
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ID
NAME
CODE
USERS
ACC %
25892
Palindrome in a Tree
PLNDTREE
155
35.99
25893
Longest Perfect Increasing Subsequence
LPIS
701
39.65
25924
Cricket Selection
CRICKDP
80
25.62
25942
Ball sum
BALLSUM
1800
35.19
25959
Next Lexicographically Greater Substring
NEXTLEX
49
22.46
25960
Cat and Mouse I
CATMO1
61
15.60
25962
Essay
ESSY
71
32.78
25967
Social Network Community
SOCNETC
1030
31.25
25977
Matrix
GSMATRIX
90
37.22
26017
GCD OF MATRIX
GCDMAT
335
41.45
26045
GCD OF MATRIX (hard)
GCDMAT2
140
28.31
26054
BMW
MARYBMW
689
16.39
26073
Counting Divisors
DIVCNT1
143
25.84
26108
Trending GCD
TRENDGCD
160
38.36
26119
Revenge of Arjuna
THEWAR
37
36.96
26132
Sum the Decimal-part II
SUMDEC2
56
39.29
26176
HARRY POTTER AND THE FORBIDDEN FOREST
HPFORF
87
27.56
26179
Windy Cannon
JC15A
295
36.11
26180
Folding Stick
JC15B
28
55.17
26181
Walking Jumper
JC15C
5
24.24
26182
Perfect Superstring
JC15D
11
64.71
26183
Laser Beam 2.0
JC15E
4
5.06
26184
Colorful Beads
JC15F
38
37.12
26187
Captain Claw
CLAW
60
23.64
26193
Lost and survived
LOSTNSURVIVED
846
35.46
26212
Keyur and Mohib Tree
MOHIBTREE
218
40.63
26214
Pisano Factors
PFACTORS
27
30.06
26257
detective sherlock holmes
DSH
217
26.42
26301
Bits. Exponents and Gcd
TOUGH
160
31.67
26306
Pointers
INC2015F
26
33.33
26308
Get higher and higher
MAXI
145
39.44
26314
Corn Headache
CORN
362
35.04
26315
Crazy Smoker
CRZYSMKR
1353
35.30
26319
I LOVE Kd-TREES
ILKQUERY
228
41.63
26344
Related or not
NINJA1
369
52.35
26345
PATHETIC STRINGS
NINJA2
75
26.25
26346
STUNNING GCD
NINJA3
646
37.25
26347
HELP SHELDON
NINJA4
605
40.39
26348
K NUMBERS
NINJA5
285
38.44
26349
TRAVELLING DILEMMA
NINJA6
45
27.42
26350
TWO SEQUENCES PROBLEM
NINJA7
271
31.69
26352
George vs Kramer
NINJA8
54
46.79
26368
Power and Mod
PWRANDMOD
272
19.65
26385
Harish and his rooks puzzle
HARISH_PUZZLE
230
32.39
26445
Alicias Afternoon Amble
AMBLE
189
57.07
26450
Palindromic Primes (Hard)
PALPRIM
41
25.37
26527
DIVSEQ
DIVSEQ
238
46.49
26561
Pair Divisible 2
PAIRDIV2
20
10.30
26575
Grand Reward
GR
435
59.06
26607
CODER FIRST PROBLEM
CDRSANJ
1377
56.54
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