C++ 组成最大两位数 - 算法练习

#include\u003ciostream\u003e\nusing namespace std;\nint a, b;\nint main()\n{\n cin \u003e\u003e a \u003e\u003e b;\n if (a \u003c b)\n {\n int temp = a;\n a = b;\n b = temp;\n }\n cout \u003c\u003c a \u003c\u003c b;\n return 0;\n}