Description
To Count the digits of a given number, divided that number by 10 until that number is greater than 0.
For Each Iteration, divide that number by 10 until the number is greater than 0 and increment the count variable by 1.
For Example:
1923: There are 4 digits.
C program to count of the digits.
#include<stdio.h>
int main(){
int n, count = 0;
printf("Enter the Number : ");
scanf("%d", &n);
while(n>0){
n = n/10;
count = count + 1;
}
printf("Total Digits : %d", count);
return 0;
}
C++ Program to count of the digits.
#include<iostream>
using namespace std;
int main(){
int n, count = 0;
cout<<"Enter the Number : ";
cin>>n;
while(n>0){
n = n/10;
count = count + 1;
}
cout<<"Total Digits : "<<count;
return 0;
}
Output:
Enter the Number : 1882
Total Digits : 4
Algorithm of count the digit in a number.
Step 1: SET n and count = 0
Step 2: READ n
Step 3: REPEAT Step 4 and Step 5 while n>0
Step 4: n = n/10
Step 5: count = count + 1
[End Loop]
Step 6: PRINT count
Step 7: EXIT
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“Any fool can write code that a computer can understand. Good programmers write code that humans can understand”
By : Martin Fowler
