Compilare: user.cpp: In function ‘long long int parse_long_long(const char*)’: user.cpp:22:22: warning: suggest parentheses around assignment used as truth value [-Wparentheses] while (i = *(input++)) { ^ user.cpp:26:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘long long int parse_long_long_strip_decimal_zeros(const char*)’: user.cpp:32:22: warning: suggest parentheses around assignment used as truth value [-Wparentheses] while (i = *(input++)) { ^ user.cpp:33:6: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (isdigit(i)) ^