Compilare: user.cpp: In function ‘int prelucr(int)’: user.cpp:45:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] num.cuv[++num.cuv[0]]=STR[x]; ^ user.cpp:56:16: warning: operation on ‘n’ may be undefined [-Wsequence-point] V[++n]=n; ^ user.cpp: In function ‘void read()’: user.cpp:68:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=strlen(STR+1);i++){ ^