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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 213 - Message Decoding 16997
40.98%
3334
81.31%
FILE 245 - Uncompress 9404
39.73%
2189
84.97%
FILE 306 - Cipher 11487
22.23%
2475
63.27%
FILE 444 - Encoder and Decoder 25605
31.07%
6999
80.24%
FILE 458 - The Decoder 94878
46.35%
33036
92.45%
FILE 468 - Key to Success 5351
22.89%
1619
57.94%
FILE 483 - Word Scramble 61187
43.15%
19676
87.59%
FILE 492 - Pig-Latin 56482
24.06%
9750
77.60%
FILE 641 - Do the Untwist 2615
65.09%
1358
91.61%
FILE 739 - Soundex Indexing 11468
35.52%
3848
79.26%
FILE 740 - Baudot Data Communication Code 4763
56.14%
2443
89.52%
FILE 741 - Burrows Wheeler Decoder 2417
35.08%
962
70.89%
FILE 795 - Sandorf's Cipher 1263
35.79%
424
76.42%
FILE 850 - Crypt Kicker II 21619
23.47%
4772
72.78%
FILE 856 - The Vigenère Cipher 965
41.87%
370
77.30%
FILE 865 - Substitution Cypher 6111
29.11%
1557
80.41%
FILE 10222 - Decode the Mad man 33070
52.03%
13131
91.09%
FILE 10851 - 2D Hieroglyphs decoder 2284
68.70%
1382
96.38%
FILE 10878 - Decode the tape 18959
44.99%
6481
92.76%
FILE 10896 - Known Plaintext Attack 2318
47.76%
1028
89.30%
FILE 10921 - Find the Telephone 25748
60.12%
12399
96.46%
FILE 11220 - Decoding the message. 6486
39.64%
2138
89.85%
FILE 11278 - One-Handed Typist 4098
44.36%
1633
91.55%
FILE 11385 - Da Vinci Code 9745
31.02%
2579
84.76%
FILE 11541 - Decoding 11568
58.66%
5230
95.49%
FILE 11697 - Playfair Cipher 1386
52.16%
558
93.55%
FILE 11716 - Digital Fortress 13399
47.68%
4966
93.60%
FILE 11787 - Numeral Hieroglyphs 2206
47.14%
909
88.12%
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