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time:
2025-09-05
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WHITESPACE
list of classical problems
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ID
NAME
CODE
USERS
ACC %
1004
Polygon Encoder
POLYCODE
64
11.12
1021
Aibohphobia
AIBOHP
10728
36.22
1022
Angels and Devils
ANGELS
675
31.13
1024
Complete Chess Boards
COMCB
536
54.96
1025
Fashion Shows
FASHION
27875
46.43
1026
Favorite Dice
FAVDICE
5488
63.85
1027
Fool the Police
FPOLICE
1655
27.09
1028
Hubulullu
HUBULLU
8257
58.72
1029
Matrix Summation
MATSUM
3559
20.15
1030
Triple Fat Ladies
EIGHTS
19216
51.74
1031
Up Subsequence
UPSUB
734
32.66
1043
Can you answer these queries I
GSS1
14319
19.04
1108
Card Trick
CTRICK
2245
50.38
1110
Sudoku
SUDOKU
541
40.15
1112
Number Steps
NSTEPS
34153
43.04
1161
Tic-Tac-Toe ( I )
TOE1
3382
22.85
1162
Tic-Tac-Toe ( II )
TOE2
2410
30.37
1163
Java vs C ++
JAVAC
5524
22.88
1166
Dead Fraction
DEADFR
324
23.42
1167
Move To Invert
MINCOUNT
2461
31.80
1182
Sorted bit squence
SORTBIT
296
42.31
1183
Accomodate the palace
PALACE
555
52.75
1267
Origin of Life
ORIGLIFE
41
25.10
1268
CN Tower (Easy)
CNEASY
1123
30.75
1269
CN Tower (Hard)
CNHARD
27
11.58
1270
Paint By Numbers
PNTBYNUM
28
23.24
1285
Continuous Fractions Again
CFRAC2
376
41.86
1296
4 values whose sum is 0
SUMFOUR
5120
24.92
1325
Partial Sums
PARTSUM
225
24.79
1326
A Chase In WonderLand
CHASE
412
13.56
1329
Matrix
KPMATRIX
414
17.21
1335
Maze
KPMAZE
67
17.90
1391
Summing to a Square Prime
CZ_PROB1
1429
53.97
1418
The Cats and the Mouse
CATM
3001
33.76
1419
A Game with Numbers
NGM
12077
61.48
1421
Goods
FIRM
148
30.65
1433
The Sum
KPSUM
311
17.71
1434
Equation
KPEQU
421
33.46
1435
Vertex Cover
PT07X
4157
34.36
1436
Is it a tree
PT07Y
21146
35.31
1437
Longest path in a tree
PT07Z
20176
39.56
1440
Use of Function Arctan
ARCTAN
543
29.24
1441
The Clever Typist
CLEVER
34
8.28
1442
Strange Food Chain
CHAIN
956
19.76
1444
DEL Command II
DELCOMM2
41
9.82
1447
A Game of Toy Bricks
BRCKGAME
42
27.12
1448
3D Cover
COVER2
100
27.12
1451
01 Sequence
SEQ1
99
28.63
1452
Birthday Cake
CAKE
111
26.63
1453
Optimal Connected Subset
OPTSUB
159
47.19
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