Compilare: main.cpp: In function 'void adun(int*, int&)': main.cpp:37:13: warning: unused variable 'elem' [-Wunused-variable] int c=1,elem,i; ^~~~ main.cpp: In function 'void scad(int*, int&)': main.cpp:50:14: warning: unused variable 'elem' [-Wunused-variable] int c=-1,elem,i; ^~~~ main.cpp: In function 'int main()': main.cpp:91:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] cin>>vc+1; ~~^~