Suppose you need to subtract a very large integer from another integer. This problem requires the player to add two long digits, both supplied as strings, and to return the sum as a string. This problem similarly provides two numbers as strings and you must return the difference as a string (a - b = c). The result will always be positive as a will be larger than b. See the test suite for examples.
Find the largest value in the 3D matrix
898 Solvers
Sort numbers by outside digits
116 Solvers
897 Solvers
Remove white space from the string
143 Solvers
138 Solvers
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