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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 213 - Message Decoding 16936
40.97%
3317
81.37%
FILE 245 - Uncompress 9260
39.50%
2159
84.85%
FILE 306 - Cipher 11472
22.17%
2474
63.22%
FILE 444 - Encoder and Decoder 25574
31.09%
6996
80.23%
FILE 458 - The Decoder 94633
46.38%
32998
92.46%
FILE 468 - Key to Success 5337
22.88%
1618
57.91%
FILE 483 - Word Scramble 60893
43.13%
19635
87.59%
FILE 492 - Pig-Latin 55993
24.11%
9736
77.59%
FILE 641 - Do the Untwist 2615
65.09%
1358
91.61%
FILE 739 - Soundex Indexing 11450
35.55%
3846
79.25%
FILE 740 - Baudot Data Communication Code 4752
56.08%
2440
89.51%
FILE 741 - Burrows Wheeler Decoder 2414
35.09%
961
70.86%
FILE 795 - Sandorf's Cipher 1263
35.79%
424
76.42%
FILE 850 - Crypt Kicker II 21578
23.41%
4760
72.71%
FILE 856 - The Vigenère Cipher 965
41.87%
370
77.30%
FILE 865 - Substitution Cypher 6110
29.10%
1556
80.40%
FILE 10222 - Decode the Mad man 32694
52.02%
13072
91.05%
FILE 10851 - 2D Hieroglyphs decoder 2278
68.70%
1377
96.44%
FILE 10878 - Decode the tape 18942
44.98%
6479
92.78%
FILE 10896 - Known Plaintext Attack 2318
47.76%
1028
89.30%
FILE 10921 - Find the Telephone 25699
60.10%
12387
96.46%
FILE 11220 - Decoding the message. 6376
39.92%
2132
89.82%
FILE 11278 - One-Handed Typist 4091
44.34%
1629
91.53%
FILE 11385 - Da Vinci Code 9740
31.03%
2579
84.76%
FILE 11541 - Decoding 11558
58.64%
5225
95.48%
FILE 11697 - Playfair Cipher 1383
52.13%
557
93.54%
FILE 11716 - Digital Fortress 13394
47.66%
4964
93.59%
FILE 11787 - Numeral Hieroglyphs 2193
47.10%
904
88.05%
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