Compilare: user.cpp: In function ‘int main()’: user.cpp:32:19: warning: unused variable ‘k’ [-Wunused-variable] int sol=1,k,ok,gata,st; ^ user.cpp:32:21: warning: unused variable ‘ok’ [-Wunused-variable] int sol=1,k,ok,gata,st; ^ user.cpp:32:24: warning: unused variable ‘gata’ [-Wunused-variable] int sol=1,k,ok,gata,st; ^ user.cpp:32:29: warning: unused variable ‘st’ [-Wunused-variable] int sol=1,k,ok,gata,st; ^