Compilare: user.c: In function ‘bfs’: user.c:77:9: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if ((1 <= ln) && (ln <= n) && (1 <= cn) && (cn <= m)) ^ user.c: In function ‘main’: user.c:104:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d %d %d", &n, &m, &pl, &pc, &cl, &cc); ^ user.c:107:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v); ^