Question

Topic:

Recursion. Use recursion to display the pattern given above. No loops allowed.

See the picture for the pattern​

Answer 1

Answer:

const SIZE=8

function print(n, s) {

 if (n > 0) {

   process.stdout.write(s);

   print(n-1, s);

 }

}

function main(n=1) {

 if (n<=SIZE) {

   print(SIZE-n, "  ");

   print(n, "* ");

   process.stdout.write("\n");

   main(n+1);

 }

}

main();

Explanation:

Here is a solution in javascript. Note that it uses recursion multiple times to avoid loops.