Code:
#include
#include
#include
struct detail
{
char c;
int freq;
};
int main()
{
struct detail s[26];
char string[100], c;
int i = 0, index;
for (i = 0; i < 26; i++)
{
s[i].c = i + 'a';
s[i].freq = 0;
}
printf("Enter string: ");
i = 0;
do
{
fflush(stdin);
c = getchar();
string[i++] = c;
if (c == '\n')
{
break;
}
c = tolower(c);
index = c - 'a';
s[index].freq++;
} while (1);
string[i - 1] = '\0';
printf("The string entered is: %s\n", string);
printf("*************************\nCharacter\tFrequency\n*************************\n");
for (i = 0; i < 26; i++)
{
if (s[i].freq)
{
printf(" %c\t\t %d\n", s[i].c, s[i].freq);
}
}
return 0;
}
Output:
Enter string: A quIck brOwn fox JumpEd over a lazy dOg
The string entered is: A quIck brOwn fox JumpEd over a lazy dOg
*************************
Character Frequency
*************************
a 3
b 1
c 1
d 2
e 2
f 1
g 1
i 1
j 1
k 1
l 1
m 1
n 1
o 4
p 1
q 1
r 2
u 2
v 1
w 1
x 1
y 1
z 1
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