Eroare de compilare: main.cpp: In function 'bool check(long long int)': main.cpp:51:13: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse] 51 | signed main () | ^~ main.cpp:51:13: note: remove parentheses to default-initialize a variable 51 | signed main () | ^~ | -- main.cpp:51:13: note: or replace parentheses with braces to value-initialize a variable main.cpp:52:1: error: a function-definition is not allowed here before '{' token 52 | { | ^ main.cpp:73:2: error: expected '}' at end of input 73 | } | ^ main.cpp:34:26: note: to match this '{' 34 | bool check (long long m) { | ^ main.cpp:73:2: warning: control reaches end of non-void function [-Wreturn-type] 73 | } | ^ Non zero exit status: 1