Borderou de evaluare (job #746765)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:14:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 14 | for(int j=0;j<s.size()&&!f;j++) | ~^~~~~~~~~ main.cpp:22:51: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 22 | else if(!ch.empty() && (ch.top()=='(' && s[j]==')' || ch.top()=='[' && s[j]==']' || ch.top()=='{' && s[j]=='}')) | ~~~~~~~~~~~~~~^~~~~~~~~~~~ main.cpp:22:112: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 22 | else if(!ch.empty() && (ch.top()=='(' && s[j]==')' || ch.top()=='[' && s[j]==']' || ch.top()=='{' && s[j]=='}')) | ~~~~~~~~~~~~~~^~~~~~~~~~~~ main.cpp: At global scope: main.cpp:42:2: error: expected unqualified-id before ')' token 42 | }) | ^ main.cpp:44:9: error: expected unqualified-id before 'else' 44 | else | ^~~~ main.cpp:46:5: error: expected unqualified-id before 'return' 46 | return 0; | ^~~~~~ main.cpp:47:1: error: expected declaration before '}' token 47 | } | ^