Welcome to ZOJ
Login
|
Register
Home
|
Contests
|
Problems
|
Forum
Problem Sets
Information
Select Problem
Runs
Ranklist
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
ID
Title
Ratio
(
AC
/
All)
1001
A + B Problem
42.19% (
36719
/
87032
)
1002
Fire Net
31.99% (
7538
/
23561
)
1003
Crashing Balloon
25.25% (
4546
/
17999
)
1004
Anagrams by Stack
41.28% (
3255
/
7884
)
1005
Jugs
41.71% (
3978
/
9536
)
1006
Do the Untwist
47.22% (
3682
/
7797
)
1007
Numerical Summation of a Series
46.73% (
2140
/
4579
)
1008
Gnome Tetravex
20.58% (
2040
/
9912
)
1009
Enigma
21.97% (
998
/
4541
)
1010
Area
24.40% (
1610
/
6598
)
1011
NTA
24.96% (
585
/
2343
)
1012
Mainframe
21.01% (
340
/
1618
)
1013
Great Equipment
28.42% (
816
/
2871
)
1014
Operand
20.23% (
306
/
1512
)
1015
Fishing Net
24.70% (
653
/
2643
)
1016
Parencodings
40.41% (
2802
/
6933
)
1017
The Bermuda Triagle
27.54% (
92
/
334
)
1018
Deformed Wheel
32.51% (
66
/
203
)
1019
Illusive Chase
40.94% (
337
/
823
)
1020
Puzzle Out
11.77% (
93
/
790
)
1021
The Willy Memorial Program
24.24% (
80
/
330
)
1022
Parallel Expectations
12.66% (
69
/
545
)
1023
University Entrace Examination
24.93% (
96
/
385
)
1024
Calendar Game
38.88% (
819
/
2106
)
1025
Wooden Sticks
33.29% (
2883
/
8660
)
1026
Modular multiplication of polynomials
38.22% (
654
/
1711
)
1027
Human Gene Functions
49.94% (
1911
/
3826
)
1028
Flip and Shift
44.66% (
1256
/
2812
)
1029
Moving Tables
30.96% (
1790
/
5780
)
1030
Farmland
50.85% (
149
/
293
)
1031
Square Destroyer
44.98% (
242
/
538
)
1032
Area 2
43.47% (
423
/
973
)
1033
Ambiguous Dates
29.86% (
66
/
221
)
1034
Cog-Wheels
8.34% (
64
/
767
)
1035
Cube
34.81% (
47
/
135
)
1036
Enigma 2
54.09% (
66
/
122
)
1037
Gridland
32.07% (
4071
/
12693
)
1038
T9
29.62% (
437
/
1475
)
1039
Number Game
30.24% (
258
/
853
)
1040
Signal Box
57.44% (
27
/
47
)
1041
Transmitters
49.48% (
963
/
1946
)
1042
W's Cipher
43.47% (
829
/
1907
)
1043
Split Windows
51.44% (
71
/
138
)
1044
Index Generation
32.74% (
37
/
113
)
1045
HangOver
53.15% (
6273
/
11802
)
1046
Double Vision
28.67% (
41
/
143
)
1047
Image Perimeters
59.84% (
1179
/
1970
)
1048
Financial Management
43.15% (
8610
/
19952
)
1049
I Think I Need a Houseboat
40.51% (
5159
/
12734
)
1050
Start Up the Startup
22.20% (
246
/
1108
)
1051
A New Growth Industry
33.08% (
1591
/
4809
)
1052
Algernon's Noxious Emissions
43.16% (
60
/
139
)
1053
FDNY to the Rescue!
23.07% (
228
/
988
)
1054
For the Porsche
40.00% (
48
/
120
)
1055
Oh, Those Achin' Feet
26.90% (
60
/
223
)
1056
The Worm Turns
45.08% (
1586
/
3518
)
1057
Undercut
23.07% (
3449
/
14946
)
1058
Currency Exchange
40.70% (
1066
/
2619
)
1059
What's In a Name
21.48% (
136
/
633
)
1060
Sorting It All Out
29.66% (
951
/
3206
)
1061
Web Navigation
29.76% (
1747
/
5870
)
1062
Trees Made to Order
57.18% (
704
/
1231
)
1063
Space Station Shielding
32.34% (
228
/
705
)
1064
Roads Scholar
35.17% (
70
/
199
)
1065
Robots
37.33% (
28
/
75
)
1066
Square Ice
38.24% (
231
/
604
)
1067
Color Me Less
45.88% (
3656
/
7967
)
1068
P,MTHBGWB
60.02% (
1153
/
1921
)
1069
Plato's Blocks
52.63% (
50
/
95
)
1070
Bode Plot
78.24% (
971
/
1241
)
1071
Follow My Logic
17.26% (
48
/
278
)
1072
Microprocessor Simulation
43.18% (
266
/
616
)
1073
Round and Round We Go
47.40% (
1470
/
3101
)
1074
To the Max
48.88% (
2975
/
6086
)
1075
Set Me
35.48% (
121
/
341
)
1076
Gene Assembly
40.42% (
1810
/
4477
)
1077
Genetic Combinations
30.27% (
76
/
251
)
1078
Palindrom Numbers
43.97% (
3114
/
7081
)
1079
Robotic Jigsaw
37.34% (
31
/
83
)
1080
Direct Subtraction
34.78% (
40
/
115
)
1081
Points Within
26.52% (
785
/
2959
)
1082
Stockbroker Grapevine
52.87% (
1150
/
2175
)
1083
Frame Stacking
44.09% (
295
/
669
)
1084
Channel Allocation
44.25% (
613
/
1385
)
1085
Alien Security
29.75% (
433
/
1455
)
1086
Octal Fractions
52.81% (
1003
/
1899
)
1087
Cracking the Code
17.40% (
71
/
408
)
1088
System Overload
60.93% (
2837
/
4656
)
1089
Lotto
43.04% (
2664
/
6189
)
1090
The Circumference of the Circle
53.80% (
2333
/
4336
)
1091
Knight Moves
48.95% (
2634
/
5381
)
1092
Arbitrage
37.97% (
984
/
2591
)
1093
Monkey and Banana
47.42% (
1848
/
3897
)
1094
Matrix Chain Multiplication
61.08% (
1254
/
2053
)
1095
Humble Numbers
37.85% (
2198
/
5806
)
1096
Subway
32.06% (
152
/
474
)
1097
Code the Tree
29.51% (
585
/
1982
)
1098
Simple Computers
28.15% (
551
/
1957
)
1099
HTML
24.61% (
1801
/
7318
)
1100
Mondriaan's Dream
39.10% (
802
/
2051
)
Search Problems:
