100 Most Important C# Programs
50. Program to interchange two values using pointers.
Code:
# include <stdio.h>
# include <conio.h>
void interchange(int *x,int *y);
main( )
{
int a,b;
clrscr( );
printf(“enter values of a and b”);
scanf(“%d%d”,&a,&b);
interchange(&a,&b);
}
void interchange(x,y)
int *x,*y;
{
int t;
t=*x;
*x=*y;
*y=t;
printf(“%d=x, %d=y”,*x,*y);
getch( );
}
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