Write a C program to check whether a given character is present in a string, find frequency & position of occurrence?

Question

Enter character: r
Enter string: programming
Output: Positions of 'r' in programming are: 2 5
Character 'r' occurred for 2 times

Answer 1

#include<stdio.h>
int main()
{
        char str[100],ch;
        int i=0,count=0;
        printf("Enter a character\n");
        scanf("%c",&ch);
        printf("Enter string\n");
        scanf("%s",str);
        printf("Position of '%c' in %s are : ",ch,str);
        for(;str[i];i++)
        {
                if(str[i]==ch)
                {
                        printf("%d ",i);
                        count++;
                }
        }
        printf("\nCharacter '%c' occured for %d times\n",ch,count);
}