Compilare: user.c: In function ‘citire’: user.c:33:8: warning: unused variable ‘c’ [-Wunused-variable] char c; ^ user.c:35:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d\n", &NrCifre, &M); ^ user.c:38:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%c", &N[i]); ^