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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 213 - Message Decoding 17194
41.05%
3367
81.41%
FILE 245 - Uncompress 9763
40.45%
2278
85.47%
FILE 306 - Cipher 11517
22.29%
2483
63.31%
FILE 444 - Encoder and Decoder 25633
31.08%
7006
80.22%
FILE 458 - The Decoder 95245
46.32%
33094
92.44%
FILE 468 - Key to Success 5375
22.98%
1626
58.00%
FILE 483 - Word Scramble 61529
43.21%
19760
87.63%
FILE 492 - Pig-Latin 57321
24.17%
9767
77.62%
FILE 641 - Do the Untwist 2625
65.14%
1366
91.51%
FILE 739 - Soundex Indexing 11517
35.50%
3859
79.27%
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 1270
35.75%
427
76.11%
FILE 850 - Crypt Kicker II 21989
24.03%
4945
73.67%
FILE 856 - The Vigenère Cipher 972
42.18%
374
77.27%
FILE 865 - Substitution Cypher 6157
29.30%
1568
80.48%
FILE 10222 - Decode the Mad man 34520
51.95%
13363
91.18%
FILE 10851 - 2D Hieroglyphs decoder 2311
68.59%
1392
96.26%
FILE 10878 - Decode the tape 18985
44.98%
6489
92.70%
FILE 10896 - Known Plaintext Attack 2343
47.76%
1030
89.22%
FILE 10921 - Find the Telephone 25855
60.19%
12436
96.46%
FILE 11220 - Decoding the message. 6520
39.65%
2148
89.80%
FILE 11278 - One-Handed Typist 4117
44.43%
1642
91.53%
FILE 11385 - Da Vinci Code 9791
31.15%
2588
84.78%
FILE 11541 - Decoding 11799
58.86%
5251
95.49%
FILE 11697 - Playfair Cipher 1395
52.33%
564
93.44%
FILE 11716 - Digital Fortress 13418
47.70%
4976
93.57%
FILE 11787 - Numeral Hieroglyphs 2217
47.27%
916
88.10%
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