rebus.cpp: In function 'void adaugare(char, nod*&)': rebus.cpp:13: warning: suggest explicit braces to avoid ambiguous 'else' rebus.cpp: In function 'void stergere(char, nod*&)': rebus.cpp:65: error: expected '}' before 'else' rebus.cpp: In function 'void in(nod*)': rebus.cpp:83: error: 'x' was not declared in this scope rebus.cpp: In function 'int main()': rebus.cpp:92: warning: NULL used in arithmetic rebus.cpp:95: warning: NULL used in arithmetic