Compilare: user.c: In function ‘citireSir’: user.c:7:2: warning: implicit declaration of function ‘malloc’ [-Wimplicit-function-declaration] *a = malloc((n + 1) * sizeof(int)); ^ user.c:7:7: warning: incompatible implicit declaration of built-in function ‘malloc’ [enabled by default] *a = malloc((n + 1) * sizeof(int)); ^ user.c: In function ‘rez’: user.c:49:9: warning: incompatible implicit declaration of built-in function ‘malloc’ [enabled by default] *sol = malloc((n + 1) * sizeof(int*)); ^