Compilare: user.cpp: In function ‘int suma1(int, int)’: user.cpp:23:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int k2(int)’: user.cpp:36:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:56:27: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] suma1(x,y); ^ user.cpp:56:27: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:59:19: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] k2(x); ^