Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_number
1878 Solvers
Make one big string out of two smaller strings
1070 Solvers
First non-zero element in each column
464 Solvers
Back to basics 8 - Matrix Diagonals
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171 Solvers
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