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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 213 - Message Decoding 17124
40.99%
3357
81.35%
FILE 245 - Uncompress 9659
40.28%
2251
85.30%
FILE 306 - Cipher 11513
22.27%
2481
63.32%
FILE 444 - Encoder and Decoder 25614
31.08%
7003
80.22%
FILE 458 - The Decoder 95192
46.31%
33082
92.44%
FILE 468 - Key to Success 5371
22.92%
1625
57.97%
FILE 483 - Word Scramble 61473
43.20%
19744
87.62%
FILE 492 - Pig-Latin 57239
24.16%
9761
77.61%
FILE 641 - Do the Untwist 2619
65.10%
1362
91.56%
FILE 739 - Soundex Indexing 11496
35.48%
3853
79.24%
FILE 740 - Baudot Data Communication Code 4766
56.15%
2444
89.48%
FILE 741 - Burrows Wheeler Decoder 2421
35.15%
965
70.98%
FILE 795 - Sandorf's Cipher 1264
35.76%
425
76.24%
FILE 850 - Crypt Kicker II 21949
23.94%
4921
73.56%
FILE 856 - The Vigenère Cipher 967
41.88%
372
77.15%
FILE 865 - Substitution Cypher 6148
29.21%
1565
80.45%
FILE 10222 - Decode the Mad man 34329
51.93%
13336
91.17%
FILE 10851 - 2D Hieroglyphs decoder 2305
68.55%
1388
96.25%
FILE 10878 - Decode the tape 18978
44.97%
6486
92.69%
FILE 10896 - Known Plaintext Attack 2319
47.74%
1029
89.21%
FILE 10921 - Find the Telephone 25843
60.17%
12429
96.46%
FILE 11220 - Decoding the message. 6518
39.63%
2147
89.80%
FILE 11278 - One-Handed Typist 4111
44.37%
1639
91.52%
FILE 11385 - Da Vinci Code 9786
31.14%
2586
84.76%
FILE 11541 - Decoding 11794
58.85%
5248
95.48%
FILE 11697 - Playfair Cipher 1389
52.20%
561
93.40%
FILE 11716 - Digital Fortress 13412
47.67%
4973
93.57%
FILE 11787 - Numeral Hieroglyphs 2210
47.19%
912
88.05%
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