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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 213 - Message Decoding 16350
41.05%
3235
81.36%
FILE 245 - Uncompress 8650
39.31%
2070
84.64%
FILE 306 - Cipher 11416
22.08%
2458
63.34%
FILE 444 - Encoder and Decoder 25513
31.06%
6973
80.21%
FILE 458 - The Decoder 93736
46.53%
32861
92.48%
FILE 468 - Key to Success 5304
22.87%
1615
57.89%
FILE 483 - Word Scramble 60564
43.13%
19557
87.57%
FILE 492 - Pig-Latin 54780
24.29%
9694
77.53%
FILE 641 - Do the Untwist 2600
64.96%
1348
91.62%
FILE 739 - Soundex Indexing 11392
35.57%
3830
79.30%
FILE 740 - Baudot Data Communication Code 4745
56.04%
2437
89.45%
FILE 741 - Burrows Wheeler Decoder 2410
35.10%
961
70.86%
FILE 795 - Sandorf's Cipher 1250
35.84%
420
76.19%
FILE 850 - Crypt Kicker II 20410
22.70%
4390
71.37%
FILE 856 - The Vigenère Cipher 914
42.56%
369
77.24%
FILE 865 - Substitution Cypher 5986
28.75%
1546
80.34%
FILE 10222 - Decode the Mad man 31243
52.04%
12796
90.94%
FILE 10851 - 2D Hieroglyphs decoder 2257
68.76%
1368
96.49%
FILE 10878 - Decode the tape 18677
45.21%
6450
92.76%
FILE 10896 - Known Plaintext Attack 2302
47.70%
1021
89.32%
FILE 10921 - Find the Telephone 25472
60.10%
12320
96.48%
FILE 11220 - Decoding the message. 6273
40.08%
2122
89.82%
FILE 11278 - One-Handed Typist 4009
44.70%
1608
91.60%
FILE 11385 - Da Vinci Code 9485
31.16%
2567
84.77%
FILE 11541 - Decoding 11507
58.53%
5211
95.45%
FILE 11697 - Playfair Cipher 1382
52.10%
556
93.53%
FILE 11716 - Digital Fortress 13274
47.60%
4940
93.62%
FILE 11787 - Numeral Hieroglyphs 2175
46.90%
895
87.93%
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