Compilare: main.cpp: In function 'int main()': main.cpp:19:23: warning: array subscript has type 'char' [-Wchar-subscripts] ++fv1[a[i]]; ^ main.cpp:20:23: warning: array subscript has type 'char' [-Wchar-subscripts] ++fv2[b[i]]; ^ main.cpp:11:21: warning: unused variable 'j' [-Wunused-variable] long long t,n,i,j,m,k=0,p,cat,s=0,mx=0; ^ main.cpp:11:23: warning: unused variable 'm' [-Wunused-variable] long long t,n,i,j,m,k=0,p,cat,s=0,mx=0; ^ main.cpp:11:25: warning: unused variable 'k' [-Wunused-variable] long long t,n,i,j,m,k=0,p,cat,s=0,mx=0; ^ main.cpp:11:29: warning: unused variable 'p' [-Wunused-variable] long long t,n,i,j,m,k=0,p,cat,s=0,mx=0; ^ main.cpp:11:31: warning: unused variable 'cat' [-Wunused-variable] long long t,n,i,j,m,k=0,p,cat,s=0,mx=0; ^~~ main.cpp:11:35: warning: unused variable 's' [-Wunused-variable] long long t,n,i,j,m,k=0,p,cat,s=0,mx=0; ^ main.cpp:11:39: warning: unused variable 'mx' [-Wunused-variable] long long t,n,i,j,m,k=0,p,cat,s=0,mx=0; ^~