foo.cc: In constructor 'BigInt::BigInt(int)':
foo.cc:29:93: warning: variable 'ptrPriorNode' set but not used [-Wunused-but-set-variable]
   29 |                 DigitNode *ptrHeadNode = NULL, *ptrNewNode = NULL, *ptrCurrentNode = NULL, *ptrPriorNode = NULL;
      |                                                                                             ^~~~~~~~~~~~
foo.cc: In member function 'BigInt BigInt::IntegerToBigInt(int)':
foo.cc:321:93: warning: variable 'ptrPriorNode' set but not used [-Wunused-but-set-variable]
  321 |                 DigitNode *ptrHeadNode = NULL, *ptrNewNode = NULL, *ptrCurrentNode = NULL, *ptrPriorNode = NULL;
      |                                                                                             ^~~~~~~~~~~~
In member function 'void BigInt::operator=(BigInt)',
    inlined from 'BigInt operator+(BigInt, BigInt)' at foo.cc:165:16:
foo.cc:109:30: warning: 'void operator delete(void*)' called on pointer returned from a mismatched allocation function [-Wmismatched-new-delete]
  109 |                 delete this->digitHead;
      |                              ^~~~~~~~~
In constructor 'BigInt::BigInt()',
    inlined from 'BigInt operator+(BigInt, BigInt)' at foo.cc:160:21:
foo.cc:22:44: note: returned from 'void* operator new [](std::size_t)'
   22 |                 this->digitHead = new int[1];
      |                                            ^
In member function 'void BigInt::operator=(BigInt)',
    inlined from 'BigInt operator+(BigInt, BigInt)' at foo.cc:170:16:
foo.cc:109:30: warning: 'void operator delete(void*)' called on pointer returned from a mismatched allocation function [-Wmismatched-new-delete]
  109 |                 delete this->digitHead;
      |                              ^~~~~~~~~
In constructor 'BigInt::BigInt()',
    inlined from 'BigInt operator+(BigInt, BigInt)' at foo.cc:160:21:
foo.cc:22:44: note: returned from 'void* operator new [](std::size_t)'
   22 |                 this->digitHead = new int[1];
      |                                            ^
In member function 'void BigInt::operator=(BigInt)',
    inlined from 'BigInt operator-(BigInt, BigInt)' at foo.cc:252:16:
foo.cc:109:30: warning: 'void operator delete(void*)' called on pointer returned from a mismatched allocation function [-Wmismatched-new-delete]
  109 |                 delete this->digitHead;
      |                              ^~~~~~~~~
In constructor 'BigInt::BigInt()',
    inlined from 'BigInt operator-(BigInt, BigInt)' at foo.cc:247:21:
foo.cc:22:44: note: returned from 'void* operator new [](std::size_t)'
   22 |                 this->digitHead = new int[1];
      |                                            ^
In member function 'void BigInt::operator=(BigInt)',
    inlined from 'BigInt operator-(BigInt, BigInt)' at foo.cc:257:16:
foo.cc:109:30: warning: 'void operator delete(void*)' called on pointer returned from a mismatched allocation function [-Wmismatched-new-delete]
  109 |                 delete this->digitHead;
      |                              ^~~~~~~~~
In constructor 'BigInt::BigInt()',
    inlined from 'BigInt operator-(BigInt, BigInt)' at foo.cc:247:21:
foo.cc:22:44: note: returned from 'void* operator new [](std::size_t)'
   22 |                 this->digitHead = new int[1];
      |                                            ^
In member function 'void BigInt::operator=(BigInt)',
    inlined from 'BigInt operator*(BigInt, BigInt)' at foo.cc:358:15,
    inlined from 'static BigInt BigInt::BigPow(BigInt, BigInt)' at foo.cc:384:27:
foo.cc:109:30: warning: 'void operator delete(void*)' called on pointer returned from a mismatched allocation function [-Wmismatched-new-delete]
  109 |                 delete this->digitHead;
      |                              ^~~~~~~~~
In constructor 'BigInt::BigInt()',
    inlined from 'BigInt operator*(BigInt, BigInt)' at foo.cc:357:33,
    inlined from 'static BigInt BigInt::BigPow(BigInt, BigInt)' at foo.cc:384:27:
foo.cc:22:44: note: returned from 'void* operator new [](std::size_t)'
   22 |                 this->digitHead = new int[1];
      |                                            ^

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