Compilare: user.c: In function ‘main’: user.c:86:23: warning: integer overflow in expression [-Woverflow] Dist[i] = (1 << 31) - 1; ^ user.c:83:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &n, &m); ^ user.c:89:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d", &x, &y, &c); ^