PLEASE REFER BELOW CODE
#include<stdlib.h>
#include<stdio.h>
#include<ctype.h>
void letter_freq(const char word[], int freq[])
{
int i;
for(i = 0; word[i] != '\0'; i++) //travelling each alphabet of
word
{
if(isupper(word[i])) //if alphabet is uppercase then we are
subtracting 65
freq[word[i] - 65]++;
else
freq[word[i] - 97]++; //if it's lowercase we are subtracting
97
}
}
int main()
{
char test_string[20] = "Chegg"; //test string
int freq[26]={0}; //array to count frequency and initialised to
0
int i;
letter_freq(test_string, freq); //calling function
for(i = 0; i < 26; i++) //printing frequency
{
printf("The count of '%c' and '%c' is %d\n",('A' + i), ('a' + i),
freq[i]);
}
return 0;
}
PLEASE REFER BELOW OUTPUT
The count of 'A' and 'a' is 0
The count of 'B' and 'b' is 0
The count of 'C' and 'c' is 1
The count of 'D' and 'd' is 0
The count of 'E' and 'e' is 1
The count of 'F' and 'f' is 0
The count of 'G' and 'g' is 2
The count of 'H' and 'h' is 1
The count of 'I' and 'i' is 0
The count of 'J' and 'j' is 0
The count of 'K' and 'k' is 0
The count of 'L' and 'l' is 0
The count of 'M' and 'm' is 0
The count of 'N' and 'n' is 0
The count of 'O' and 'o' is 0
The count of 'P' and 'p' is 0
The count of 'Q' and 'q' is 0
The count of 'R' and 'r' is 0
The count of 'S' and 's' is 0
The count of 'T' and 't' is 0
The count of 'U' and 'u' is 0
The count of 'V' and 'v' is 0
The count of 'W' and 'w' is 0
The count of 'X' and 'x' is 0
The count of 'Y' and 'y' is 0
The count of 'Z' and 'z' is 0
Process returned 0 (0x0) execution time : 0.031 s
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