Compilare: main.cpp: In function 'int main()': main.cpp:10:9: warning: unused variable 'w' [-Wunused-variable] int w,c,n,a,b,maxi,maxic=0; ^ main.cpp:10:19: warning: unused variable 'maxi' [-Wunused-variable] int w,c,n,a,b,maxi,maxic=0; ^~~~ main.cpp:10:24: warning: unused variable 'maxic' [-Wunused-variable] int w,c,n,a,b,maxi,maxic=0; ^~~~~