Compilare: main.cpp: In function 'int adaugare(int)': main.cpp:43:1: warning: no return statement in function returning non-void [-Wreturn-type] 43 | } | ^ main.cpp: In function 'void bktr(int)': main.cpp:50:12: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 50 | if (valid(niv)==1) | ^