计算二位无符号数平方的程序,将用户从键盘输入的十进制数转换成为十六进制数并显示。对键盘输入的两个字符串进行比较，输入的字符串长度不超过80。-Calculation of two unsigned few square procedure, the user from the keyboard input of a decimal number converted into hexadecimal number and displayed. Keyboard input of the two s