View Code of Problem 23

#include<stdio.h>
#include<math.h>
#include <string.h>
#define Max 1000
#include <stdio.h>
int main()
{
	int m;
	long int a[Max];
	while(scanf("%d",&m))
	{
		a[1]=1,a[2]=2;
		for(int i=3;i<=m;i++)
		   a[i]=a[i-1]+a[i-2];
		   
		   printf("%ld\n",a[m]);
	}
	return 0;
}