swap function c++ using pointer
#include <stdio.h>
void SwapValue(int &a, int &b) {
int t = a;
a = b;
b = t;
}
int main() {
int a, b;
printf("Enter value of a : ");
scanf("%d", &a);
printf("\nEnter value of b : ");
scanf("%d", &b);
SwapValue(a, b);
printf("\nAfter swapping, the values are: a = %d, b = %d", a, b);
return 0;
}swap using pointers c++
#include <stdio.h>
void swap(int *x,int *y){
int t=*x;
*x=*y;
*y=t;
}
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("Before Swap : %d %d",a,b);
swap(&a,&b);
printf("After Swap : %d %d",a,b);
}calling by reference c++
int main() {
int b = 1;
fun(&b);
// now b = 10;
return 0;
}calling by reference c++
void fun3(int a)
{
a = 10;
}
int main()
{
int b = 1;
fun3(b);
// b is still 1 now!
return 0;
}Copyright © 2021 Codeinu
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