Compilare: main.cpp: In function 'int main()': main.cpp:24:6: warning: unused variable 'mxc' [-Wunused-variable] int mxc=0,n,m,i,j=0; ^~~ main.cpp:24:12: warning: unused variable 'n' [-Wunused-variable] int mxc=0,n,m,i,j=0; ^ main.cpp:24:14: warning: unused variable 'm' [-Wunused-variable] int mxc=0,n,m,i,j=0; ^ main.cpp:24:16: warning: unused variable 'i' [-Wunused-variable] int mxc=0,n,m,i,j=0; ^ main.cpp:24:18: warning: unused variable 'j' [-Wunused-variable] int mxc=0,n,m,i,j=0; ^