[for] character statistics statistics, shed tears of what went wrong-CodePudding

Line by line output characters in each sentence the most times and the number of occurrences of (if there are multiple characters at the same times, only a minimum of output ASCII characters),
#include
#include
#include
# define N 300
Int main ()
{
Int n={0} [n], Max, I;
Char a [N], ch, j;
While (gets) (a)!=NULL)
{
If (islower (a [I])!=0)
{
For (j='A'; J<='Z'; J++)
for(i=0; IIf (a==j [I])
N [j] + +;
}
Else if (isupper (a [I])!=0)
{
For (j='a'; J<='z'; J++)
for(i=0; IIf (a==j [I])
N [j] + +;
}
Ch='A', Max=n (ch);
For (j='A'; J<='z'; J++)
If (isalpha (j)!=0)
{
If (n [j] & gt; Max)
Max=n [j], ch=j;
Else if (n==max& [j]. & JMax=n [j], ch=j;
}
Printf (" % d % c \ n ", ch, Max).

}
return 0;
}
Input:
I am a student
A good programming problem
The ABCD ABCD ABCD ABCD
Output:
A 2
O 4
A 2
However:
A 2
A 2
A 2

CodePudding user response:

Where you function islower ()

CodePudding user response:

 # include 
#include 
#include 

//# define N 300 
# define N 300 
Int main () 
{
//int n={0} [n], Max, I, j; 
//char a [N], ch.//, j; 

Int n [52]={0}, I; 
Int ch, Max; 
Char a, [N]. 

While (the fgets (a, N, stdin)!=NULL) 
{
i=0; 
//puts (a); 
While (a [I]) {
//putchar (a [I]); 
If (isupper (a [I])) 
N [a [I] - 'a'] + +; 
If (islower (a [I])) 
N [a [I] - 'a' + 26] + +; 
i++; 
} 
Max=n [0]; 
For (I=1; i <52. I++) 
If (Max & lt; N [I]) {
Max=n [I]; 
} 
Printf (" Max=% d \ n ", Max). 

For (I=0; i <52. I++) 
If (Max==n [I]) {
If (I & gt;=26) 
Ch='a' + (I - 26); 
The else 
Ch='A'; 
break; 
} 

Printf (" % d % c \ n ", ch, Max). 

Memset (n, 0, sizeof (n)); 
# if 0 
If (isalpha (j)!=0) 
If (islower (a [I])!=0) 
{
For (j='A'; J<='Z'; J++) 
for(i=0; IIf (a==j [I]) 
N [j] + +; 
} 
Else if (isupper (a [I])!=0) 
{
For (j='a'; J<='z'; J++) 
for(i=0; IIf (a==j [I]) 
N [j] + +; 
} 
Ch='A', Max=n (ch); 
For (j='A'; J<='z'; J++) 
If (isalpha (j)!=0) 
{
If (n [j] & gt; Max) 
Max=n [j], ch=j; 
Else if (n==max& [j]. & JMax=n [j], ch=j; 
} 
Printf (" % d % c \ n ", ch, Max). 
# endif 
} 

return 0; 
}

For your reference ~

CodePudding user response:

reference 1st floor Master Chicken response:

you function islower () where,

In the header file & lt; Ctype. H> The ~

CodePudding user response:

You that I don't have the initialization, the if and else if estimates have not entered, or enter a branch, I value also has always been the same
The problem is you make it complicated, actually can simply some

 # define N 300 
Int main () 
{
Int n [n], Max [n], I, CNT=0; 
Char ch [N], a [N]. 
While (cnt{
If (gets) (a)==NULL) break; 
Memset (n, 0, sizeof (n)); 
Ch/CNT=0; 
Max (CNT)=0; 
for (i=0; I{
If (isalpha (a [I])) 
{//consider only English letters 
 the condition of theN [a] [I] + +;//the same character occurrences accumulative 
If (n [a] [I] & gt; Max (CNT)) 
{//if there is a number greater than Max, update the Max and ch 
Max (CNT)=n [a] [I]; 
Ch=[CNT] a [I]; 
} 
Else if (n [a] [I]==Max/CNT) 
{//if the occurrences and Max is the same, the update ch into smaller ASCII characters 
If (ch (CNT) & gt; A [I]) 
Ch=[CNT] a [I]; 
} 
} 
} 
cnt++; 
} 
for (i=0; I{
Printf (" % d % c \ n ", ch [I], Max [I]); 
} 
return 0; 
}