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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 213 - Message Decoding 16269
41.04%
3226
81.37%
FILE 245 - Uncompress 8563
39.31%
2055
84.57%
FILE 306 - Cipher 11409
22.08%
2454
63.37%
FILE 444 - Encoder and Decoder 25496
31.05%
6965
80.20%
FILE 458 - The Decoder 93538
46.55%
32843
92.49%
FILE 468 - Key to Success 5299
22.85%
1613
57.84%
FILE 483 - Word Scramble 60540
43.13%
19544
87.59%
FILE 492 - Pig-Latin 54761
24.28%
9683
77.54%
FILE 641 - Do the Untwist 2595
64.93%
1345
91.60%
FILE 739 - Soundex Indexing 11388
35.56%
3828
79.28%
FILE 740 - Baudot Data Communication Code 4740
56.05%
2434
89.48%
FILE 741 - Burrows Wheeler Decoder 2407
35.11%
960
70.83%
FILE 795 - Sandorf's Cipher 1248
35.82%
419
76.13%
FILE 850 - Crypt Kicker II 20318
22.55%
4348
71.21%
FILE 856 - The Vigenère Cipher 914
42.56%
369
77.24%
FILE 865 - Substitution Cypher 5950
28.66%
1541
80.27%
FILE 10222 - Decode the Mad man 31110
52.06%
12768
90.95%
FILE 10851 - 2D Hieroglyphs decoder 2237
68.48%
1364
96.48%
FILE 10878 - Decode the tape 18671
45.21%
6449
92.76%
FILE 10896 - Known Plaintext Attack 2299
47.67%
1019
89.30%
FILE 10921 - Find the Telephone 25449
60.08%
12312
96.47%
FILE 11220 - Decoding the message. 6268
40.03%
2120
89.81%
FILE 11278 - One-Handed Typist 4003
44.69%
1606
91.59%
FILE 11385 - Da Vinci Code 9481
31.16%
2565
84.76%
FILE 11541 - Decoding 11488
58.51%
5203
95.44%
FILE 11697 - Playfair Cipher 1378
52.10%
555
93.51%
FILE 11716 - Digital Fortress 13252
47.57%
4930
93.65%
FILE 11787 - Numeral Hieroglyphs 2164
46.86%
889
87.85%
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