Algorithms | Recursion | Question 9

#include<stdio.h>
void crazy(int n,int a,int b)
{
    if (n <= 0)  return;
    crazy(n-1, a, b+n);
    printf("%d %d %d\n",n,a,b);
    crazy(n-1, b, a+n);
}

int main()
{
    crazy(3,4,5);
    return 0;
}

(A)

1 4 10
2 4 8
1 8 6
3 4 5
1 5 9
2 5 7
1 7 7

(B)

3 4 5
1 4 10
2 4 8
1 8 6
1 5 9
2 5 7
1 7 7

(C)

1 4 10
2 4 8
1 8 6
3 4 5

(D)

3 4 5
1 5 9
2 5 7
1 7 7

Answer: (A)

Explanation:

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