Compilare: user.c: In function ‘Adaug’: user.c:19:5: warning: implicit declaration of function ‘malloc’ [-Wimplicit-function-declaration] Lista z = (Lista)malloc(sizeof(struct nod)); ^ user.c:19:22: warning: incompatible implicit declaration of built-in function ‘malloc’ [enabled by default] Lista z = (Lista)malloc(sizeof(struct nod)); ^ user.c: In function ‘Sterg’: user.c:37:9: warning: implicit declaration of function ‘free’ [-Wimplicit-function-declaration] free(elem); ^ user.c:37:9: warning: incompatible implicit declaration of built-in function ‘free’ [enabled by default] user.c:43:9: warning: incompatible implicit declaration of built-in function ‘free’ [enabled by default] free(z); ^ user.c: In function ‘main’: user.c:83:5: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘short int *’ [-Wformat=] scanf("%d %d",&N,&k); ^