Compilare: main.c: In function 'printTree': main.c:31:5: warning: implicit declaration of function 'printArray' [-Wimplicit-function-declaration] 31 | printArray(tree, s); | ^~~~~~~~~~ main.c: At top level: main.c:35:6: warning: conflicting types for 'printArray'; have 'void(int *, int)' 35 | void printArray(int *arr, int len) { | ^~~~~~~~~~ main.c:31:5: note: previous implicit declaration of 'printArray' with type 'void(int *, int)' 31 | printArray(tree, s); | ^~~~~~~~~~