Compilare: main.cpp: In function 'bool vrf()': main.cpp:33:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp:25:20: warning: 'q' may be used uninitialized in this function [-Wmaybe-uninitialized] newx=v[i]-q*mij; ~^~~~ main.cpp: In function 'int main()': main.cpp:25:20: warning: 'q' may be used uninitialized in this function [-Wmaybe-uninitialized] newx=v[i]-q*mij; ~^~~~ main.cpp:22:15: note: 'q' was declared here int newx, q, rs; ^