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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 213 - Message Decoding 17216
41.03%
3369
81.42%
FILE 245 - Uncompress 9818
40.66%
2290
85.55%
FILE 306 - Cipher 11518
22.30%
2483
63.31%
FILE 444 - Encoder and Decoder 25633
31.08%
7006
80.22%
FILE 458 - The Decoder 95288
46.31%
33098
92.44%
FILE 468 - Key to Success 5375
22.98%
1626
58.00%
FILE 483 - Word Scramble 61556
43.21%
19769
87.63%
FILE 492 - Pig-Latin 57335
24.16%
9768
77.62%
FILE 641 - Do the Untwist 2625
65.14%
1366
91.51%
FILE 739 - Soundex Indexing 11520
35.49%
3860
79.25%
FILE 740 - Baudot Data Communication Code 4773
56.21%
2445
89.49%
FILE 741 - Burrows Wheeler Decoder 2423
35.20%
966
71.01%
FILE 795 - Sandorf's Cipher 1271
35.80%
427
76.11%
FILE 850 - Crypt Kicker II 21996
24.04%
4945
73.67%
FILE 856 - The Vigenère Cipher 973
42.24%
374
77.27%
FILE 865 - Substitution Cypher 6183
29.27%
1570
80.51%
FILE 10222 - Decode the Mad man 34731
51.99%
13400
91.19%
FILE 10851 - 2D Hieroglyphs decoder 2311
68.59%
1392
96.26%
FILE 10878 - Decode the tape 18986
44.98%
6489
92.70%
FILE 10896 - Known Plaintext Attack 2343
47.76%
1030
89.22%
FILE 10921 - Find the Telephone 25877
60.21%
12444
96.46%
FILE 11220 - Decoding the message. 6522
39.67%
2150
89.81%
FILE 11278 - One-Handed Typist 4119
44.43%
1642
91.53%
FILE 11385 - Da Vinci Code 9791
31.15%
2588
84.78%
FILE 11541 - Decoding 11826
58.91%
5262
95.50%
FILE 11697 - Playfair Cipher 1395
52.33%
564
93.44%
FILE 11716 - Digital Fortress 13431
47.67%
4979
93.57%
FILE 11787 - Numeral Hieroglyphs 2220
47.25%
917
88.11%
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