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ZOJ Problem Set Vol 19
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)
2801
Game schedule required
33.13% (
55
/
166
)
2802
Help the problem setter
41.66% (
25
/
60
)
2803
Crashing Robots
45.93% (
198
/
431
)
2804
Funny Games
12.76% (
24
/
188
)
2805
Nullary Computer
0.00% (0/
49
)
2806
The Embarrassed Cryptographer
26.25% (
194
/
739
)
2807
Electrical Outlets
78.83% (
1710
/
2169
)
2808
WorstWeather Ever
23.33% (
28
/
120
)
2809
Kingdom
35.38% (
23
/
65
)
2810
Necklace Decomposition
37.93% (
33
/
87
)
2811
Playground
44.06% (
256
/
581
)
2812
Quicksum
62.88% (
2316
/
3683
)
2813
Linear Pachinko
66.33% (
398
/
600
)
2814
Surprising Strings
59.93% (
709
/
1183
)
2815
Falling Ice
64.70% (
11
/
17
)
2816
Frugal Search
57.07% (
125
/
219
)
2817
Go Go Gorelians
71.42% (
20
/
28
)
2818
Root of the Problem
50.83% (
1408
/
2770
)
2819
How I Wonder What You Are!
68.05% (
98
/
144
)
2820
How I Mathematician Wonder What You Are!
68.51% (
37
/
54
)
2821
Cubic Eight-Puzzle
35.92% (
60
/
167
)
2822
Sum of Different Primes
60.62% (
234
/
386
)
2823
Manhattan Wiring
60.37% (
32
/
53
)
2824
Power Calculus
44.16% (
53
/
120
)
2825
Polygons on the Grid
40.47% (
17
/
42
)
2826
The Best Name for Your Baby
22.22% (
6
/
27
)
2827
Enjoyable Commutation
23.75% (
19
/
80
)
2828
Auto Spell Corrector
26.64% (
566
/
2124
)
2829
Beautiful Number
35.02% (
2352
/
6715
)
2830
Champion of the Swordsmanship
42.67% (
1549
/
3630
)
2831
Decorated A+B
16.34% (
211
/
1291
)
2832
Efficient Codes
33.36% (
344
/
1031
)
2833
Friendship
28.64% (
776
/
2709
)
2834
Maximize Game Time
20.64% (
167
/
809
)
2835
Magic Square
36.24% (
1236
/
3410
)
2836
Number Puzzle
24.72% (
559
/
2261
)
2837
Left Library Lift
27.60% (
143
/
518
)
2838
Utopia
14.33% (
605
/
4221
)
2839
Find the Sequences
28.82% (
360
/
1249
)
2840
File Searching
21.88% (
642
/
2933
)
2841
Galaxy War
30.18% (
32
/
106
)
2842
String's Puzzle
44.49% (
101
/
227
)
2843
Mountains
24.71% (
22
/
89
)
2844
Gold Transportation
21.48% (
26
/
121
)
2845
The Best Travel Design
20.00% (
19
/
95
)
2846
Travel
43.94% (
98
/
223
)
2847
FlashGet
12.70% (
31
/
244
)
2848
Accelerator
13.14% (
38
/
289
)
2849
Attack of Panda Virus
14.68% (
744
/
5065
)
2850
Beautiful Meadow
32.72% (
1357
/
4147
)
2851
Code Formatter
26.82% (
728
/
2714
)
2852
Deck of Cards
24.14% (
233
/
965
)
2853
Evolution
24.13% (
418
/
1732
)
2854
Fish and Her Bowl
0.90% (
1
/
111
)
2855
Google Map
45.46% (
576
/
1267
)
2856
Happy Life
28.37% (
122
/
430
)
2857
Image Transformation
59.43% (
1304
/
2194
)
2858
A+B=C
3.61% (
6
/
166
)
2859
Matrix Searching
31.30% (
606
/
1936
)
2860
Breaking Strings
27.87% (
199
/
714
)
2861
Food combination
28.66% (
135
/
471
)
2862
Polymorphism
29.32% (
100
/
341
)
2863
Gobang Replaying
27.07% (
85
/
314
)
2864
Catch the thief
14.71% (
74
/
503
)
2865
A very easy task
26.73% (
77
/
288
)
2866
Overstaffed Company
32.91% (
78
/
237
)
2868
Incredible Cows
16.41% (
255
/
1553
)
2869
Halls
47.19% (
84
/
178
)
2870
Segments
22.89% (
38
/
166
)
2871
Surveillance
46.87% (
15
/
32
)
2872
Binary Partitions
37.21% (
323
/
868
)
2873
Smart Sister
38.57% (
184
/
477
)
2874
Paratroopers
30.98% (
66
/
213
)
2875
Unlucky Luke!
18.03% (
22
/
122
)
2876
Phone List
33.03% (
442
/
1338
)
2877
Cuckoo Hashing
37.28% (
66
/
177
)
2878
Parking
77.58% (
495
/
638
)
2879
Copying DNA
37.25% (
19
/
51
)
2880
Circle of Debt
22.72% (
5
/
22
)
2881
Full Tank?
28.57% (
38
/
133
)
2882
Nested Dolls
30.34% (
142
/
468
)
2883
Shopaholic
38.13% (
368
/
965
)
2884
Moogle
41.04% (
71
/
173
)
2885
Tree Grafting
41.53% (
81
/
195
)
2886
Look and Say
46.85% (
1006
/
2147
)
2887
Server Relocation
33.84% (
44
/
130
)
2888
Coin Toss
31.25% (
30
/
96
)
2889
Vacation Rentals
38.29% (
18
/
47
)
2890
Baseball
65.21% (
15
/
23
)
2891
Team Work
29.78% (
42
/
141
)
2892
Wavelet Compression
47.94% (
327
/
682
)
2893
Elementary Additions
41.44% (
109
/
263
)
2894
Arrange the Problem Set
17.14% (
6
/
35
)
2895
Cache
24.29% (
138
/
568
)
2896
Common Factor
8.50% (
25
/
294
)
2897
Desmond's Ambition
20.14% (
27
/
134
)
2898
Greedy Grave Robber
17.39% (
88
/
506
)
2899
Hangzhou Tour
23.13% (
31
/
134
)
2900
Icecream
14.04% (
153
/
1089
)
2901
MV Maker
27.62% (
137
/
496
)
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