Compilare: user.cpp: In function ‘int backt(int)’: user.cpp:36:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int suma(int)’: user.cpp:14:12: warning: ‘s’ may be used uninitialized in this function [-Wmaybe-uninitialized] return s; ^ user.cpp: In function ‘int backt(int)’: user.cpp:27:19: warning: ‘s’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(suma(l)==s && l==5) afisare(); ^