count a character

#include <stdio.h>
#include<string.h>

int main()
{
   
   char str[3][10]={"interview","hope","example"};
    char ch='e';
   
    int count=0;
    for(int i=0;i<3;i++)
    {
        for(int j=0;j<10;j++)
        {
            if(ch==str[i][j])
            {
                count++;
            }
        }
    }
    printf("%d",count);
    
    
   return 0;
}