Compilare: main.c:3:6: warning: return type of 'main' is not 'int' [-Wmain] void main(void) ^~~~ main.c: In function 'main': main.c:10:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &k); ^~~~~~~~~~~~~~~~~~~~~~ main.c:19:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &conserva[i]); ^~~~~~~~~~~~~~~~~~~~~~~~~ main.c:13:9: warning: 'nr_conserve_necesare' may be used uninitialized in this function [-Wmaybe-uninitialized] int nr_conserve_necesare; ^~~~~~~~~~~~~~~~~~~~