52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
|
/*
|
||
|
|
* C Program to Find the Frequency of Substring in
|
||
|
|
* the given String
|
||
|
|
*/
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
void main()
|
||
|
|
{
|
||
|
|
int count = 0, i, j = 0, k;
|
||
|
|
char str[100], str1[20];
|
||
|
|
printf("Enter the string\n");
|
||
|
|
scanf(" %[^\n]s", str);
|
||
|
|
printf("Enter the substring to be matched\n");
|
||
|
|
scanf(" %[^\n]s", str1);
|
||
|
|
k = strlen(str1);
|
||
|
|
for (i = 0; str[i] != '\0';)
|
||
|
|
{
|
||
|
|
if (str[i] == ' ')
|
||
|
|
{
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (str[i] == str1[j])
|
||
|
|
{
|
||
|
|
j++;
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
else if (j == k)
|
||
|
|
{
|
||
|
|
j = 0;
|
||
|
|
count++;
|
||
|
|
i--;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
i++;
|
||
|
|
j = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
printf("No of matches of substring in main string is %d\n", count);
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
*OUTPUT:
|
||
|
|
Enter the string
|
||
|
|
prrrogram is prrrogramming
|
||
|
|
Enter the substring to be matched
|
||
|
|
rr
|
||
|
|
No of matches of substring in main string is 4
|
||
|
|
*/
|