Compilare: main.cpp: In function 'void lee(int, int, int, int)': main.cpp:15:26: warning: unused variable 'x' [-Wunused-variable] int inc,sf,lin,col,i,x=1; ^ main.cpp: In function 'int main()': main.cpp:275:22: warning: 'mcul' may be used uninitialized in this function [-Wmaybe-uninitialized] mcul=mcul+'a'-1; ~~~~~~~~^~ main.cpp:276:34: warning: 'mj' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<mi<<" "<<mj<<'\n'<<mcul; ^~~~ main.cpp:276:19: warning: 'mi' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<mi<<" "<<mj<<'\n'<<mcul; ^~~