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Using iterative function print the given number in reverse order in C language
Problem
How to print the given in reverse order with the help of iterative function i.e., while loop using C programming language?
Solution
So far, we had seen how to reverse the string using string function and without string function, now let’s see how to reverse a number without using predefined function −
Algorithm
Input − give a number at runtime
Step 1: Declare the variable number,reverse Step 2: Initialize reverse= 0 Step 3: while number>0 (a) reverse=reverse*10 + number%10; reverse = reverse*10 + num%10; (b) Divide number by 10 Step 4: return reverse
Example
#include <stdio.h> int reverse(int number){ int reverse = 0; while(number > 0){ reverse = reverse*10 + number%10; number = number/10; } return reverse; } int main(){ int number; printf("enter a number:"); scanf("%d",&number); printf("Reverse of no. is %d", reverse(number)); getchar(); return 0; }
Output
enter a number:356789 Reverse of no. is 987653
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