swap using pointers c++

#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;
}

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4.5

2

Supine man 90 points

                                    void fun3(int a)
{
    a = 10;
}

int main()
{
    int b = 1;
    fun3(b);
    // b  is still 1 now!
    return 0;   
}

Thank you! 2

4.5 (2 Votes)

0

3.7

10

Sharptooth 90 points

                                    #include &lt;stdio.h&gt;

void swap(int *x,int *y){
	int t=*x;
	*x=*y;
	*y=t;
}

int main()
{
	int a,b;
	scanf(&quot;%d %d&quot;,&amp;a,&amp;b);
    printf(&quot;Before Swap : %d %d&quot;,a,b);
	swap(&amp;a,&amp;b);
    
	printf(&quot;After Swap : %d %d&quot;,a,b);
}

Thank you! 10

3.7 (10 Votes)

0

3.6

5

Npcurious 95 points

                                    int main() {
    int b = 1;
    fun(&amp;b);
    // now b = 10;
    return 0;
}

Thank you! 5

3.6 (5 Votes)

0

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