Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:17:20: error: ‘ct’ was not declared in this scope if(c=='(') ct++; ^ user.cpp:18:12: error: expected ‘(’ before ‘if’ if if(c==')') ^ user.cpp:23:9: error: ‘else’ without a previous ‘if’ else --ct; ^ user.cpp:23:16: error: ‘ct’ was not declared in this scope else --ct; ^ user.cpp:25:13: error: ‘ct’ was not declared in this scope sol=sol+ct/2; ^