Compilare: main.cpp: In function 'void add(HugeN&, HugeN)': main.cpp:34:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<min(a.nr.size(),b.nr.size());i++){ ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:39:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(;i<a.nr.size();i++){ ~^~~~~~~~~~~~ main.cpp:44:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(;i<b.nr.size();i++){ ~^~~~~~~~~~~~ main.cpp: In function 'void inmultcus(HugeN&, int)': main.cpp:57:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<a.nr.size();i++){ ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:73:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&k); ^