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ZOJ Problem Set Vol 11
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
ID
Title
Ratio
(
AC
/
All)
2001
Adding Reversed Numbers
49.91% (
2929
/
5868
)
2002
Copying Books
21.73% (
560
/
2577
)
2003
Substitution Cipher
21.79% (
85
/
390
)
2004
Commedia dell'arte
63.98% (
135
/
211
)
2005
Skyscraper Floors
10.99% (
32
/
291
)
2006
Glass Beads
47.32% (
663
/
1401
)
2007
Hares and Foxes
9.73% (
11
/
113
)
2008
Invitation Cards
38.14% (
959
/
2514
)
2009
Run Away
41.87% (
116
/
277
)
2010
Equipment Box
27.28% (
173
/
634
)
2011
Secret Code
25.77% (
25
/
97
)
2012
The Proper Key
26.38% (
19
/
72
)
2013
Labyrinth
36.08% (
367
/
1017
)
2014
Piggy-Bank
39.86% (
704
/
1766
)
2015
Lifting the Stone
39.35% (
327
/
831
)
2016
Play on Words
29.14% (
540
/
1853
)
2017
Simple Arithmetics
21.75% (
226
/
1039
)
2018
The Bulk
39.47% (
15
/
38
)
2019
Complete the Sequence
36.24% (
83
/
229
)
2020
Direct Visibility
56.81% (
25
/
44
)
2021
Complicated Expressions
35.71% (
135
/
378
)
2022
Factorial
40.32% (
2129
/
5279
)
2023
The Game of Master-Mind
91.66% (
22
/
24
)
2024
Hotline
66.66% (
16
/
24
)
2025
I-Keyboard
56.57% (
129
/
228
)
2026
Archaeologist's Trouble
13.33% (
4
/
30
)
2027
Travelling Fee
27.01% (
486
/
1799
)
2028
How Many Left
24.91% (
212
/
851
)
2029
The Intervals
34.78% (
312
/
897
)
2030
Othello
23.80% (
5
/
21
)
2031
Song List
25.47% (
80
/
314
)
2032
Overlapping Objects
32.25% (
10
/
31
)
2033
The Jewelry Is Gone
30.76% (
24
/
78
)
2034
False Coin
26.51% (
158
/
596
)
2035
Rating
13.33% (
8
/
60
)
2036
Fence
29.78% (
14
/
47
)
2037
Parliament
29.23% (
169
/
578
)
2038
Defragment
13.63% (
9
/
66
)
2039
The Dog Task
37.39% (
89
/
238
)
2040
Spell Checker
19.75% (
80
/
405
)
2041
Gangsters
26.90% (
60
/
223
)
2042
Divisibility
29.88% (
1041
/
3483
)
2043
Loan
17.14% (
6
/
35
)
2044
Expression
44.00% (
11
/
25
)
2045
Computer Dialogue
22.22% (
10
/
45
)
2046
Lock Manager
52.17% (
12
/
23
)
2047
Dictionary
29.68% (
19
/
64
)
2048
Highways
26.24% (
237
/
903
)
2049
Advertisement
40.47% (
34
/
84
)
2050
Flip Game
33.49% (
420
/
1254
)
2051
Buffer Manager
53.84% (
28
/
52
)
2052
Triathlon
18.18% (
8
/
44
)
2053
Domino Puzzle
35.18% (
19
/
54
)
2054
Binary Search
36.00% (
72
/
200
)
2055
Frontier
36.11% (
13
/
36
)
2056
Garland
32.05% (
50
/
156
)
2057
Disk Tree
34.00% (
84
/
247
)
2058
The Archaeologist's Trouble II
38.44% (
228
/
593
)
2059
The Twin Towers
23.07% (
784
/
3398
)
2060
Fibonacci Again
40.61% (
3161
/
7782
)
2061
Buy the Ticket
43.41% (
313
/
721
)
2062
Radial and Polygon
7.22% (
6
/
83
)
2063
Power Management
13.61% (
90
/
661
)
2064
Bomberman - Just Search!
26.40% (
33
/
125
)
2065
Jump the Chess
40.00% (
30
/
75
)
2066
Selective Course
12.60% (
45
/
357
)
2067
White Rectangles
42.52% (
734
/
1726
)
2068
Chopsticks
24.49% (
110
/
449
)
2069
Greatest Least Common Multiple
12.13% (
67
/
552
)
2070
FatMouse and JavaBean
20.00% (
4
/
20
)
2071
Technology Trader
26.35% (
78
/
296
)
2072
Recursive Survival
23.11% (
205
/
887
)
2073
The Archaeologist's Trouble III
50.00% (
12
/
24
)
2074
Trip
16.84% (
160
/
950
)
2075
Ellipsoid Volume
33.72% (
29
/
86
)
2076
Bomber
4.63% (
19
/
410
)
2077
Equation Game
30.00% (
3
/
10
)
2078
Cutting Cake
60.34% (
35
/
58
)
2079
Souvenirs of Love
10.00% (
2
/
20
)
2080
Chess War
66.66% (
16
/
24
)
2081
Mission Impossible
27.11% (
285
/
1051
)
2082
Icecream
16.43% (
12
/
73
)
2083
Win the Game
21.15% (
11
/
52
)
2084
Dining Time
33.33% (
3
/
9
)
2085
Wishingbone's Victory
36.44% (
43
/
118
)
2086
Pressure Calculation
38.88% (
14
/
36
)
2087
The Archaeologist's Trouble IV
11.93% (
29
/
243
)
2088
Goods Transportation
38.70% (
24
/
62
)
2089
Learn to Write
9.72% (
18
/
185
)
2090
Find the Pairs
17.64% (
9
/
51
)
2091
Mean of Subsequence
29.63% (
508
/
1714
)
2092
Fastest Drop
17.02% (
16
/
94
)
2093
Volcano
22.41% (
13
/
58
)
2094
Max Angle
5.24% (
14
/
267
)
2095
Divisor Summation
22.24% (
2036
/
9154
)
2096
Door to Secret
40.30% (
237
/
588
)
2097
Walking on a Chessboard
27.66% (
161
/
582
)
2098
Picking Balls
27.40% (
299
/
1091
)
2099
Frame Polygonal Line
53.36% (
1554
/
2912
)
2100
Seeding
42.70% (
1010
/
2365
)
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