Question

C#编程作业题，高分求解！！！急急急

中间空格里怎么填？

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

Answer 1

由上至下依次是

a.ToCharArray();
Array.Reverse(c);
c[i];

s.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);

s.ToCharArray();
item>='a' && item<='z' || item>='A' && item<='Z'
item>='0' && item<='9'

追问

 

 

 

追答

s2.ToUpper()[0]
ch>='A' && ch<='Z'
ch>='0' && ch<='9'

s3.Length
s3.IndexOf(c)
s3.Substring(k+1)

a/100
a/10%10
a%10

ysf
"+"
"-"
"*"
"/"

Answer 2

1
new char[Convert.ToInt32 (a)];
int m = c.Length ;
m-i

2
s.Split(' ');

3
s.ToCharArray();
((int)item >= 65 && (int)item <= 90) || ((int)item >= 97 && (int)item <= 122)
(int)item>=48 && (int)item<=57