View Code of Problem 23

#include <stdio.h>
int main(){
  long a[100]={0};
    int m,i;
  a[1]=1,a[2]=2;
  for(i=3;i<100;i++)
    a[i]=a[i-2]+a[i-1];
  while (scanf("%d",&m) != EOF){
    if(m==0)
      break;
    else
      printf("%ld\n",a[m]);
      
    
  }

return 0;
}