Human help50 (sample solution)

Other answers are possible.

  • Problem Set 1

    Helping with...

mario.c:19:27: error: invalid conversion specifier '

    It looks like you’re trying to use '%#' as a format specifier in printf, but printf doesn’t support that specifier like it does with %s or %i. If you want to print #, try just printing it directly!

  • Problem Set 2

    Helping with...

initials.c:13:10: error: definition of variable with array type needs an explicit size or an initializer

    It looks like you’ve declared an array on line 13 of initials.c without giving it a size. When you declare an array, you either need to provide its size explicitly, or initialize its contents at the same time as when you declare it.

  • Problem Set 3

    Helping with...

find.c:53:16: error: non-object type 'bool (int, int *, int)' is not assignable

    It looks like you’re trying to assign a boolean value (true or false) to a variable that is not of type bool!

  • Problem Set 4

    Helping with...

recover.c:22:10: error: variable 'blockptr' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized]

    It looks like in your program you seem to be declaring blockptr, and only assigning it a value if the condition on line 22 of recover.c is true. Make sure that a value is assigned to blockptr regardless, before it could possibly be used later on.

  • Problem Set 5

    Helping with...

dictionary.c:146:36: error: passing 'const char *' to parameter of type
      'char *' discards qualifiers

    It looks like you’re trying to pass a variable of type const char * as a parameter to a function that only accepts char *. That would permit a variable with the const qualifier to be modified, which isn’t allowed!