Leetcode doubt easy

#1

Please help me to solve this sum.

#2

Okay so what you can do to solve this problem is:

  • Count number of spaces
  • then count number of words
  • if the number number of spaces%(number of words-1)==0
    this means you can evenly distribute spaces, and you can do that
  • But if it’s not equal to 0 & number of spaces%(number of words-1)==k then you have to first distribute equal spaces and then add k extra space at the end of the string.

You can do it using string STL function if you are submitting it using c++, then you can take reference from here
All inbuilt functions of strings are mentioned here
http://www.cplusplus.com/reference/string/string/

#3

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