Compilare: user.cpp: In function ‘int main()’: user.cpp:29:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] nextt[n][s[n]]=n; ^ user.cpp:33:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] nextt[i][s[i]]=i; ^ user.cpp:41:51: warning: array subscript has type ‘char’ [-Wchar-subscripts] sp=sp+subsir[i]-subsir[nextt[i+1][s[i]]]; ^ user.cpp:49:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (ap[s[i]] == 0) { ^ user.cpp:51:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap[s[i]]=1; ^ user.cpp:54:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(sum<cop) { ^ user.cpp:60:34: warning: unused variable ‘cp’ [-Wunused-variable] int pz=nextt[1][car[j]], cp=0, ta=0; ^