Input a number and find the largest digit in it using a function in C++
Function - Question 3
In this question, we will see how to input a number and find the largest digit in it in C++ programming using a function. To know more about function click on the function lesson.
Q3) Write a program in C++ to input a number and find the largest digit in it using a function.
Program
#include <iostream>
#include <conio.h>
using namespace std;
int largestdigit(int num)
{
int ld=0,d;
while(num>0)
{
d=num%10;
if(d>ld)
{
ld=d;
}
num=num/10;
}
return ld;
}
int main()
{
int n;
cout<<"Enter a number ";
cin>>n;
cout<<"Largest Digit = "<<largestdigit(n);
return 0;
}Output
Enter a number 78261 Largest Digit = 8
