Compilare: main.cpp: In function 'int main()': main.cpp:9:15: warning: unused variable 'k' [-Wunused-variable] int n,i,j,k,c,m,p,cnt,ok,maxi = 0,t,r,xk,yk,zk,uk,l,cc; ^ main.cpp:9:23: warning: unused variable 'cnt' [-Wunused-variable] int n,i,j,k,c,m,p,cnt,ok,maxi = 0,t,r,xk,yk,zk,uk,l,cc; ^~~ main.cpp:9:27: warning: variable 'ok' set but not used [-Wunused-but-set-variable] int n,i,j,k,c,m,p,cnt,ok,maxi = 0,t,r,xk,yk,zk,uk,l,cc; ^~