C language problems int and char-CodePudding

Great god taught how change,
Turn hexadecimal string decimal integer values,
# include
# include
# include
Void check (char * b [20])
{
Int n, I, flag=0;
N=strlen (b);
For (I=0; I{
If ((b [I] & gt;='0' & amp; & B [I] <='9') | | (b [I] & gt;='A' & amp; & B [I] <='E'))
Flag++;
The else
{printf (" please check, the first number began to have error % d \ n ", I + 1);
return 0; }
If (flag==n)
Printf (" digital input correct \ n ");
}
}
Int turn (char * c [20], int * CCCC [20])
{
Int s=0, m, k;
While (c [s]!='\ 0')
{
If ((c [s] & gt;='A') & amp; & C [s] <='Z')
{
CCCC [s] [s] - 'A'=c + 10;
S++;
continue;
}
CCCC [s] [s]=c - '0';
S++;
}
For (m=0; mCCCC [s - m - 1]=CCCC [s - m - 1) * pow (16 m);
For (k=0; kThe sum +=CCCC [k].
Printf (" % d ", sum);
}
Int main ()
{
Char a, [20].
Int m=0, n=0, h=0, aaaa [20].
Gets (a);
Turn (a, aaaa);
}

CodePudding user response:

 # include 
# include 
# include 

//void check (char * b [20]) 
Void check (char [20] b) 
{
Int n, I, flag=0; 
N=strlen (b); 
For (I=0; I{
If ((b [I] & gt;='0' & amp; & B [I] <='9') | | (b [I] & gt;='A' & amp; & B [I] <='E')) 
Flag++; 
The else 
{printf (" please check, the first number began to have error % d \ n ", I + 1); 
//return 0; 
return; 
} 
If (flag==n) 
Printf (" digital input correct \ n "); 
} 
} 
//int turn (char * c [20], int * CCCC [20]) 
Int turn (char c [20], int CCCC [20]) 
{
Int=0 s, m, k, sum=0; 
While (c [s]!='\ 0') 
{
If ((c [s] & gt;='A') & amp; & C [s] <='Z') 
{
CCCC [s] [s] - 'A'=c + 10; 
S++; 
continue; 
} 
CCCC [s] [s]=c - '0'; 
S++; 
} 
For (m=0; mCCCC [s - m - 1]=CCCC [s - m - 1) * pow (16 m); 
For (k=0; kThe sum +=CCCC [k]. 
Printf (" % d ", sum); 
} 
Int main () 
{
Char a, [20]. 
Int m=0, n=0, h=0, aaaa [20]. 
Gets (a); 
Turn (a, aaaa); 
}

For your reference ~

The code compilation is not through, be amended; Try to have questions to ask

CodePudding user response:

You're so discrimination hexadecimal digits F, F know?

CodePudding user response:

Not only should check still need to check the hexadecimal characters

CodePudding user response:

And O (N) can be without so many times cycle, of course, for the length of the cycle counting,