m4.cpp: In function 'int prod(int*, int&, int)': m4.cpp:38: warning: no return statement in function returning non-void m4.cpp: In function 'int imp(int*, int&, int)': m4.cpp:55: warning: no return statement in function returning non-void m4.cpp: In function 'int cop(int*, int&, int*, int)': m4.cpp:61: warning: no return statement in function returning non-void m4.cpp: In function 'int scad(int*, int&, int*, int)': m4.cpp:96: warning: no return statement in function returning non-void m4.cpp: In function 'int adun(int*, int&)': m4.cpp:113: warning: no return statement in function returning non-void