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ZOJ Problem Set Vol 1
Vol 1
Vol 2
Vol 3
Vol 4
Vol 5
Vol 6
Vol 7
Vol 8
Vol 9
Vol 10
Vol 11
Vol 12
Vol 13
Vol 14
Vol 15
Vol 16
Vol 17
Vol 18
Vol 19
Vol 20
Vol 21
Vol 22
Vol 23
Vol 24
Vol 25
Vol 26
ID
Title
Ratio
(
AC
/
All)
1001
A + B Problem
41.10% (
49839
/
121239
)
1002
Fire Net
31.99% (
9906
/
30957
)
1003
Crashing Balloon
25.08% (
6033
/
24053
)
1004
Anagrams by Stack
40.31% (
4319
/
10714
)
1005
Jugs
39.99% (
5207
/
13019
)
1006
Do the Untwist
45.08% (
4604
/
10211
)
1007
Numerical Summation of a Series
44.51% (
2721
/
6113
)
1008
Gnome Tetravex
20.93% (
2780
/
13278
)
1009
Enigma
21.61% (
1402
/
6487
)
1010
Area
23.99% (
1988
/
8284
)
1011
NTA
23.90% (
730
/
3054
)
1012
Mainframe
20.40% (
479
/
2348
)
1013
Great Equipment
28.00% (
1113
/
3974
)
1014
Operand
19.71% (
416
/
2110
)
1015
Fishing Net
25.17% (
961
/
3817
)
1016
Parencodings
40.03% (
3404
/
8502
)
1017
The Bermuda Triagle
31.28% (
122
/
390
)
1018
Deformed Wheel
23.71% (
69
/
291
)
1019
Illusive Chase
39.09% (
457
/
1169
)
1020
Puzzle Out
9.45% (
117
/
1238
)
1021
The Willy Memorial Program
18.58% (
123
/
662
)
1022
Parallel Expectations
12.93% (
86
/
665
)
1023
University Entrace Examination
20.56% (
116
/
564
)
1024
Calendar Game
38.14% (
1075
/
2818
)
1025
Wooden Sticks
33.52% (
3492
/
10416
)
1026
Modular multiplication of polynomials
36.83% (
782
/
2123
)
1027
Human Gene Functions
48.80% (
2255
/
4620
)
1028
Flip and Shift
41.91% (
1529
/
3648
)
1029
Moving Tables
30.52% (
2088
/
6840
)
1030
Farmland
41.31% (
207
/
501
)
1031
Square Destroyer
43.70% (
330
/
755
)
1032
Area 2
40.71% (
555
/
1363
)
1033
Ambiguous Dates
30.40% (
76
/
250
)
1034
Cog-Wheels
8.29% (
83
/
1001
)
1035
Cube
26.42% (
51
/
193
)
1036
Enigma 2
57.36% (
109
/
190
)
1037
Gridland
31.47% (
5626
/
17873
)
1038
T9
27.75% (
559
/
2014
)
1039
Number Game
27.67% (
370
/
1337
)
1040
Signal Box
50.00% (
29
/
58
)
1041
Transmitters
48.69% (
1174
/
2411
)
1042
W's Cipher
43.50% (
925
/
2126
)
1043
Split Windows
53.55% (
98
/
183
)
1044
Index Generation
33.33% (
47
/
141
)
1045
HangOver
53.28% (
7903
/
14831
)
1046
Double Vision
30.68% (
54
/
176
)
1047
Image Perimeters
57.04% (
1389
/
2435
)
1048
Financial Management
44.05% (
10898
/
24735
)
1049
I Think I Need a Houseboat
39.80% (
6648
/
16703
)
1050
Start Up the Startup
20.03% (
306
/
1527
)
1051
A New Growth Industry
31.47% (
2134
/
6780
)
1052
Algernon's Noxious Emissions
34.19% (
79
/
231
)
1053
FDNY to the Rescue!
21.56% (
330
/
1530
)
1054
For the Porsche
31.28% (
61
/
195
)
1055
Oh, Those Achin' Feet
29.75% (
97
/
326
)
1056
The Worm Turns
44.05% (
1808
/
4104
)
1057
Undercut
23.18% (
4083
/
17610
)
1058
Currency Exchange
35.18% (
1346
/
3826
)
1059
What's In a Name
17.51% (
161
/
919
)
1060
Sorting It All Out
29.03% (
1188
/
4092
)
1061
Web Navigation
28.76% (
1990
/
6918
)
1062
Trees Made to Order
57.67% (
797
/
1382
)
1063
Space Station Shielding
26.07% (
309
/
1185
)
1064
Roads Scholar
32.49% (
90
/
277
)
1065
Robots
23.88% (
32
/
134
)
1066
Square Ice
39.36% (
296
/
752
)
1067
Color Me Less
44.79% (
4611
/
10294
)
1068
P,MTHBGWB
56.46% (
1345
/
2382
)
1069
Plato's Blocks
49.18% (
60
/
122
)
1070
Bode Plot
76.37% (
1225
/
1604
)
1071
Follow My Logic
17.84% (
63
/
353
)
1072
Microprocessor Simulation
39.03% (
333
/
853
)
1073
Round and Round We Go
46.46% (
1739
/
3743
)
1074
To the Max
48.56% (
3571
/
7353
)
1075
Set Me
28.85% (
161
/
558
)
1076
Gene Assembly
39.52% (
2103
/
5321
)
1077
Genetic Combinations
30.30% (
80
/
264
)
1078
Palindrom Numbers
43.03% (
3838
/
8919
)
1079
Robotic Jigsaw
38.58% (
49
/
127
)
1080
Direct Subtraction
34.68% (
60
/
173
)
1081
Points Within
26.89% (
1002
/
3726
)
1082
Stockbroker Grapevine
50.73% (
1512
/
2980
)
1083
Frame Stacking
40.79% (
348
/
853
)
1084
Channel Allocation
42.60% (
761
/
1786
)
1085
Alien Security
27.32% (
543
/
1987
)
1086
Octal Fractions
49.53% (
1292
/
2608
)
1087
Cracking the Code
19.68% (
137
/
696
)
1088
System Overload
58.26% (
3551
/
6095
)
1089
Lotto
41.95% (
3148
/
7504
)
1090
The Circumference of the Circle
54.17% (
2758
/
5091
)
1091
Knight Moves
43.82% (
3798
/
8666
)
1092
Arbitrage
37.86% (
1191
/
3145
)
1093
Monkey and Banana
46.95% (
2187
/
4658
)
1094
Matrix Chain Multiplication
53.43% (
1779
/
3329
)
1095
Humble Numbers
37.73% (
2631
/
6973
)
1096
Subway
30.51% (
173
/
567
)
1097
Code the Tree
29.52% (
672
/
2276
)
1098
Simple Computers
28.28% (
655
/
2316
)
1099
HTML
24.65% (
2328
/
9441
)
1100
Mondriaan's Dream
39.61% (
996
/
2514
)
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