C++ program to find the smallest and largest character in a string

Here is a C++ program to find the smallest and largest character in a string


 SOURCE CODE OUTPUT

#include<iostream>
#include<stdlib.h>
using namespace std;
int main()
{
    char str[100],smchtr,lrchtr;
    cout<<"Enter string : ";
    cin>>str;
    smchtr=lrchtr=str[0];
    for(int i=1;str[i]!='\0';i++)
    {
        if(smchtr>str[i])
            smchtr=str[i];
        if(lrchtr<str[i])
            lrchtr=str[i];
    }
    cout<<"Largest character : "<<lrchtr<<endl;
    cout<<"Smallest character : "<<smchtr;
    return 0;
}

Any questions regarding to program please write in comments.