Simple Example Program for Swap Numbers Using Pointers In C
Swap Definition
In computer programming, the act of swapping two variables refers to mutually exchanging the values of the variables. Usually, this is done with the data in memory
Using a temporary variable
The simplest and probably most widely used method to swap two variables is to use a third temporary variable:
temp := x
x := y
y := temp
Simple Example Program for Swap Numbers Using Pointers In C
/*##Simple Example Program for Swap Numbers Using Pointers In C*/
/*##Simple swap Programs,pointers Example C Programming*/
/*##Pass By Referense Function Example Program In C Programming*/
#include <stdio.h>
// Declare Swap Function Using Pointer
void swap_numbers(int *value1,int *value2)
{
int temp;
temp = *value1;
*value1 = *value2;
*value2 = temp;
}
int main()
{
// Declare Variables
int number1,number2;
// Read User Input
printf("Enter value of Swap Number # 1: ");
scanf("%d",&number1);
printf("Enter value of Swap Number # 2: ");
scanf("%d",&number2);
//Print Values before Swapping
printf("Before Swapping : Number # 1=%d, Number # 2=%d\n",number1,number2);
//Call Swap Function By Passing Reference
swap_numbers(&number1,&number2);
//Print Values after Swapping
printf("After Swapping : Number # 1=%d, Number # 2=%d\n",number1,number2);
return 0;
}
Sample Output:
Enter value of Swap Number # 1: 5
Enter value of Swap Number # 2: 10
Before Swapping : Number # 1=5, Number # 2=10
After Swapping : Number # 1=10, Number # 2=5
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