fractie1.cpp: In member function 'int HugeN::cmp(const HugeN&)': fractie1.cpp:30: warning: unused variable 'n' fractie1.cpp: In member function 'HugeN HugeN::operator+(int)': fractie1.cpp:160: warning: no return statement in function returning non-void fractie1.cpp: In function 'void period_detect(int)': fractie1.cpp:355: warning: comparison between signed and unsigned integer expressions fractie1.cpp: In function 'int main()': fractie1.cpp:413: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result fractie1.cpp:414: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result fractie1.cpp: In function 'void period_detect(int)': fractie1.cpp:340: warning: 'l' may be used uninitialized in this function