For each of the following pairs of scanf format strings ,indicate whether or not

Question

For each of the following pairs of scanf format strings ,indicate whether or not the two strings are equivalent . If they 're not , how they can be distinguished . (a) "%d"                        versus " %" (b) "%d-%d-%d"           versus "%d -%d -%d" (c) "%f"                         versus "%f " (d) "%f,%f"                   versus "%f, %f" For each of the following pairs of scanf format strings ,indicate whether or not the two strings are equivalent . If they 're not , how they can be distinguished . (a) "%d"                        versus " %" (b) "%d-%d-%d"           versus "%d -%d -%d" (c) "%f"                         versus "%f " (d) "%f,%f"                   versus "%f, %f"

Explanation / Answer

(a) "%d"                        versus " %"
these are different. the first will take an integer, the 2nddoesn't specify what type of variable is being input

(b) "%d-%d-%d"           versus "%d -%d -%d"
these are different. the first expects input as 3 integersseparated by a -, no spaces allowed, the second also expects3 integers separated by a - but now spaces are allowed

(c) "%f"                         versus "%f "
different, the 1st no space expected after the number input, the2nd you must enter a space after you input the number

(d) "%f,%f"                   versus "%f, %f"

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