Compilare: main.cpp: In function 'void pre_calc(char)': main.cpp:41:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<start.size();i++) ~^~~~~~~~~~~~~ main.cpp: In function 'long long unsigned int calc_incomplete(long long unsigned int, long long unsigned int, bool, long long unsigned int)': main.cpp:65:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<=q-inc;i++) ~^~~~~~~ main.cpp: In function 'int32_t main()': main.cpp:95:28: warning: unused variable 'part' [-Wunused-variable] unsigned long long part=q/start.size()+1-(q%start.size()==0); ^~~~