C++ functions

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Across
  1. 2. function that returns no value
  2. 4. indicates where in the program a variable can be used
  3. 6. information a function needs to perform its task
  4. 8. passing a copy of a variables value
  5. 9. function that returns the current system time
  6. 11. what the symbol telling a variable to be passed by reference is called
  7. 12. functions that are contained withing the same file as the program
  8. 16. passing a variables address
  9. 17. a function that gives back a value when called
  10. 20. memory locations in a functions parameter list
Down
  1. 1. variables that can be called anywhere in the program
  2. 3. variables that can only be used in the function they are initilized in
  3. 5. produces a sequence of random numbers that fit certain requirements for randomness
  4. 7. functions that are included with the c++ language
  5. 10. Goes before the main function, defines a functions name, return type, and its parameters
  6. 13. the symbol used to pass a variable by reference
  7. 14. tells a function what to give back after performing its task
  8. 15. how long a variable remains in system memory
  9. 18. function in the c++ libraries that calculates the square root value of the parameter number
  10. 19. function that generates a random number when called