Compilare: user.cpp: In function ‘int main()’: user.cpp:18:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<=strlen(a)-1;i++) ^ user.cpp:37:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] l[i]=lmax[lit]+1; ^ user.cpp:38:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] p[i]=pmax[lit]; ^ user.cpp:40:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(l[i]>lmax[lit]) ^ user.cpp:42:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] lmax[lit]=l[i]; ^ user.cpp:43:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] pmax[lit]=i; ^ user.cpp:48:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(lmax[lit]>lsol) ^ user.cpp:50:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] lsol=lmax[lit]; ^ user.cpp:51:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] psol=pmax[lit]; ^ /tmp/ccm6K7if.o: In function `main': user.cpp:(.text.startup+0x58): warning: the `gets' function is dangerous and should not be used.