Compilare: main.cpp: In member function 'HugeN HugeN::operator=(HugeN)': main.cpp:21:3: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In member function 'HugeN HugeN::operator+(HugeN)': main.cpp:25:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<min(nr.size(),b.nr.size());i++){ ~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:30:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(;i<nr.size();i++){ ~^~~~~~~~~~ main.cpp:35:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(;i<b.nr.size();i++){ ~^~~~~~~~~~~~ main.cpp: In member function 'HugeN HugeN::inmultcus(int)': main.cpp:49:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<nr.size();i++){ ~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:72:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&k); ^