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given three strings X, Y and Z. Find all solutions to a numeric puzzle: X + Y = Z where each character in a string corresponds to some digit.- pavel.em April 19, 2012 in United States
For simplicity, you may assume that strings are of the same length.
e.g.: X = "abcd", Y = "dbcc", Z = "cdda"
hence we get: 2275 + 5277 = 7552
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