Compilare: main.cpp: In function 'long long int calcperm(int, int)': main.cpp:62:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=rasp;i<v[currdiv].size();i++) ~^~~~~~~~~~~~~~~~~~ main.cpp:45:9: warning: unused variable 'st' [-Wunused-variable] int st=0,dr=v[currdiv].size()-1; ^~ main.cpp:45:14: warning: unused variable 'dr' [-Wunused-variable] int st=0,dr=v[currdiv].size()-1; ^~ main.cpp: In function 'int main()': main.cpp:92:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<divizori.size();i++) ~^~~~~~~~~~~~~~~~