W A I T + A L L --------- G I F T S
9 6 0 8 + 6 7 7 --------- 1 0 2 8 5
Given strings a,b,c find where a + b = c; No left hand zeros. All solutions are believed to be unique.
Beware, the test machine might time out your entry!
If you want some easier problems that build up to this one,
Why are the above building blocks to solving this problem? Well, let's think about the simplest thing that could possibly work.
Eventually, we would find the correct answer. Worst case scenario, we have a one in 10! (1/3,600,000) chance of stumbling upon the answer. For the eight character case, it is 8! (1/40,320). I like those odds enough that it is worth trying.
A supplemental problem finds out which technique, methodical or random is better.
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