Compilare: user.cpp: In function ‘int corect()’: user.cpp:13:6: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (a[j]==')') if( st[t]=='(') t--;else return 0; ^ user.cpp:14:6: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (a[j]==']') if( st[t]=='[') t--;else return 0;} ^