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2025-09-05
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list of classical problems
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ID
NAME
CODE
USERS
ACC %
8467
GRADE POINT AVERAGE
GPA1
634
30.08
8478
Ancient Pocket Calculator
POCALC1
7
4.25
8491
Messy Phone List
PHONMESS
54
19.69
8495
Maximum Subset of Array
MAXSUB
735
27.80
8496
No Squares Numbers
NOSQ
845
35.11
8505
Nacci Fear
NACCI
320
40.37
8507
Party Switching
PSWITCH
246
28.74
8542
Modern Pocket Calculator
POCALC2
35
9.05
8545
Subset sum
MAIN72
1941
40.11
8546
Manoj and Pankaj
MAIN73
51
18.32
8547
Euclids algorithm revisited
MAIN74
1472
22.84
8549
BST again
MAIN75
95
17.08
8550
Longest Square Factor
LSQF
75
18.47
8551
Colours A, B, C, D
ABCD
2165
21.23
8558
Linear Equation Solver
LINQSOLV
22
34.09
8574
Four in a row
FOUROW
23
17.12
8578
Reverse the Sequence
REVSEQ
89
38.72
8583
Garden
NPOWM
20
61.11
8586
Factorial factorisation
PRIME
45
20.18
8591
Prime Permutations
PRIMPERM
110
30.96
8593
Covering the Corral
CORRAL
12
36.96
8594
Tails all the way
TAILS
293
34.63
8596
Wood, Axe and Grass
WAGE
520
57.84
8598
Traverse through the board
TRAVERSE
672
53.44
8611
Non-Decreasing Digits
NY10E
3732
54.84
8612
Penney Game
NY10A
7743
67.22
8624
Nim-B Sum
NY10B
631
61.46
8625
Just The Simple Fax
NY10C
80
42.15
8626
Show Me The Fax
NY10D
111
43.20
8627
I2C
NY10F
35
24.85
8628
Selling Land
NWERC10G
73
47.78
8629
Stock Prices
NWERC10H
103
45.70
8651
Alien arithmetic
ALIENS1
45
18.37
8657
The Bovine Accordion and Banjo Orchestra
BAABO
8
22.81
8661
Bogosort
CHEFFEB
46
15.27
8663
Squares Game
CHEFMAR
34
33.05
8666
Maximum - Profit -- Version II
ITRIX_C
101
45.00
8667
Board-Queries
ITRIX_D
51
21.28
8668
THE BLACK AND WHITE QUEENS
ITRIX_E
84
43.03
8670
THE MAX LINES
MAXLN
8045
36.87
8720
Looks like Nim - but it is not
GAME2
92
21.45
8725
Closest Point Pair
CLOPPAIR
2061
20.74
8728
Hierarchy
MAKETREE
1815
29.82
8732
Best Fit
BFIT
196
30.84
8734
Charlie and the Chocolate Factory
CHARLIE
44
17.63
8735
Suffix Of Cube
CUBEND
102
43.91
8747
Substrings II
NSUBSTR2
163
11.20
8750
Wordplay
WORD
99
26.48
8756
Shake Shake Shaky
MAIN8_C
2455
23.89
8757
Coing tossing
MAIN8_D
165
61.61
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