Eroare de compilare: user.cpp: In function ‘int suma()’: user.cpp:20:15: error: invalid types ‘int[int]’ for array subscript if(s[k]=='(') ^ user.cpp:21:21: error: ‘ssm’ was not declared in this scope s+=ssm(k); ^ user.cpp:22:20: error: invalid types ‘int[int]’ for array subscript else if(s[k]=='[') ^ user.cpp:23:21: error: ‘elm’ was not declared in this scope s+=elm(k); ^ user.cpp:24:20: error: invalid types ‘int[int]’ for array subscript else if(s[k]==',') ^ user.cpp:26:28: error: invalid types ‘int[int]’ for array subscript else if(isdigit(s[k])||s[k]=='-') ^ user.cpp:26:35: error: invalid types ‘int[int]’ for array subscript else if(isdigit(s[k])||s[k]=='-') ^ user.cpp:27:16: error: ‘nr’ was not declared in this scope s+=nr; ^