Compilare: user.cpp: In function ‘int main()’: user.cpp:9:30: warning: unused variable ‘q’ [-Wunused-variable] int n,m,i,x,k=0,j,maxx=0,q,ok,t; ^ user.cpp:9:32: warning: unused variable ‘ok’ [-Wunused-variable] int n,m,i,x,k=0,j,maxx=0,q,ok,t; ^ user.cpp:9:35: warning: unused variable ‘t’ [-Wunused-variable] int n,m,i,x,k=0,j,maxx=0,q,ok,t; ^