Compilare: main.cpp: In function 'int main()': main.cpp:23:11: warning: unused variable 'ok' [-Wunused-variable] int m,ok=0,i,j=0,cnt=4,h,l,r,t,n,k; ^~ main.cpp:23:22: warning: unused variable 'cnt' [-Wunused-variable] int m,ok=0,i,j=0,cnt=4,h,l,r,t,n,k; ^~~ main.cpp:23:28: warning: unused variable 'h' [-Wunused-variable] int m,ok=0,i,j=0,cnt=4,h,l,r,t,n,k; ^ main.cpp:23:30: warning: unused variable 'l' [-Wunused-variable] int m,ok=0,i,j=0,cnt=4,h,l,r,t,n,k; ^ main.cpp:23:32: warning: unused variable 'r' [-Wunused-variable] int m,ok=0,i,j=0,cnt=4,h,l,r,t,n,k; ^ main.cpp:23:34: warning: unused variable 't' [-Wunused-variable] int m,ok=0,i,j=0,cnt=4,h,l,r,t,n,k; ^