三位数排列大小 请问我哪里错了

排序1万个数字，你认为可以这样写吗

int a, b, c, d;puts("Input 4 integers between 1 to 10");scanf("%d%d%d%d", &a, &b, &c, &d);if (a > b) a^=b^=a^=b;if (a > c) a^=c^=a^=c;if (a > d) a^=d^=a^=d;if (b > c) b^=c^=b^=c;if (b > d) b^=d^=b^=d;if (c > d) c^=d^=c^=d;