Compilare: user.cpp: In function ‘int main()’: user.cpp:11:11: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin>>a+1; ^ user.cpp:12:11: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin>>b+1; ^ user.cpp:14:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<=strlen(a+1);i++){ ^ user.cpp:15:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (k == strlen (b+1)) ^