Compilare: main.cpp: In function 'int intro_apm(int)': main.cpp:22:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:25:29: warning: variable 'l' set but not used [-Wunused-but-set-variable] int n,m,i,a,b,c,costf=0,l,x; ^