(1)编写一个伪代码算法,读入三个值,输出它们的和。
Set sum to 0
Read num1
Set sum to sum+sum1
Read num2
Set sum to sum+sum2
Read num3
Set sum to sum+sum3
Write sum
Set sum to 0
Read num1
Set sum to sum+sum1
Read num2
Set sum to sum+sum2
Read num3
Set sum to sum+sum3
Write sum