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Medium

255. Print all substrings of a given string

Objec­tive:  Given a string write an algorithm to print all the possible sub strings.

Example:

String input = “abcd”;
Output: Possible sub strings –

a          a b      a b c   a b c d
b          b c      b c d
c          c d
d

Approach:
  • Use nested loops.
  • Outer loops will decide the starting point.
  • First inner loops will decide the group size. Starting from 1 and goes up string character array size.
  • Most inner loop will create the sub strings and print it.
  • See the code below for more understanding.

Output:

a
a b
a b c
a b c d
b
b c
b c d
c
c d
d

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