Compilare: user.cpp: In function ‘int main()’: user.cpp:86:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v1.size()-1;i++) urm[v1[i]]=v1[i+1]; ^ user.cpp:90:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v2.size()-1;i++) urm[v2[i]]=v2[i+1]; ^ user.cpp:81:11: warning: unused variable ‘a’ [-Wunused-variable] int i,a=7,b=5,boss,poz; ^ user.cpp:81:15: warning: unused variable ‘b’ [-Wunused-variable] int i,a=7,b=5,boss,poz; ^ user.cpp:81:19: warning: unused variable ‘boss’ [-Wunused-variable] int i,a=7,b=5,boss,poz; ^