Compilare: user.cpp: In function ‘int main()’: user.cpp:8:23: warning: unused variable ‘sl1’ [-Wunused-variable] int m,n,i,j,s=0,k,sl1=0,sl2=0,sc1=0,sc2=0,sf=0; ^ user.cpp:8:29: warning: unused variable ‘sl2’ [-Wunused-variable] int m,n,i,j,s=0,k,sl1=0,sl2=0,sc1=0,sc2=0,sf=0; ^ user.cpp:8:35: warning: unused variable ‘sc1’ [-Wunused-variable] int m,n,i,j,s=0,k,sl1=0,sl2=0,sc1=0,sc2=0,sf=0; ^ user.cpp:8:41: warning: unused variable ‘sc2’ [-Wunused-variable] int m,n,i,j,s=0,k,sl1=0,sl2=0,sc1=0,sc2=0,sf=0; ^