Compilare: user.cpp: In function ‘void Rezolva()’: user.cpp:59:11: warning: unused variable ‘ok’ [-Wunused-variable] int i,ok=1,viz1[]= {0}; ^ user.cpp:59:16: warning: unused variable ‘viz1’ [-Wunused-variable] int i,ok=1,viz1[]= {0}; ^ user.cpp: In function ‘int main()’: user.cpp:83:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp:84:10: warning: unused variable ‘p’ [-Wunused-variable] nod *p; ^