What is the output of the following code? #include int cat_number(int n) { int i,j,arr[n],k; arr[0] = 1; for(i = 1; i < n; i++) { arr[i] = 0; for(j = 0,k = i - 1; j < i; j++,k--) arr[i] += arr[j] * arr[k]; } return arr[n-1]; } int main() { int ans, n = 8; ans = cat_number(n); printf("%d\n",ans); return 0; }

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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What is the output of the following code?

#include<stdio.h>
int cat_number(int n)
{
int i,j,arr[n],k;
arr[0] = 1;
for(i = 1; i < n; i++)
{
arr[i] = 0;
for(j = 0,k = i - 1; j < i; j++,k--)
arr[i] += arr[j] * arr[k];

}
return arr[n-1];
}
int main()
{
int ans, n = 8;
ans = cat_number(n);
printf("%d\n",ans);
return 0;
}

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