Eroare de compilare: user.cpp: In function ‘int Solve1()’: user.cpp:20:17: warning: NULL used in arithmetic [-Wpointer-arith] while(*p != NULL) ^ user.cpp: In function ‘int numar()’: user.cpp:38:20: error: ‘p’ was not declared in this scope while(isdigit(*p)) ^ user.cpp: In function ‘int sum_expr()’: user.cpp:51:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:59:5: error: ‘p’ was not declared in this scope p = c; ^ user.cpp:65:44: error: ‘mij_expr’ was not declared in this scope else if(*p == '[') S+=mij_expr(); ^