Compilare: user.c: In function ‘bun’: user.c:18:20: warning: unused variable ‘j’ [-Wunused-variable] int nod, poz, i, j, k = 0; ^ user.c: In function ‘main’: user.c:61:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &n, &m); ^ user.c:64:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d%d", &x, &y, &z); ^