Hacker_rank_Calculate_N_term.c

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
//Complete the following function.

int find_nth_term(int n, int a, int b, int c) {

  //Write your code here.
  int i;
  int arr[n];
  arr[0] = a;
  arr[1] = b;
  arr[2] = c;
  for (i=3; i<n; i++) {
      arr[i] = arr[i-1]+arr[i-2]+arr[i-3];
    }
    return(arr[n-1]);
}

int main() {
    int n, a, b, c;
  
    scanf("%d %d %d %d", &n, &a, &b, &c);
    int ans = find_nth_term(n, a, b, c);
 
    printf("%d", ans); 
    return 0;
}