View Code of Problem 71

#include<stdio.h>
int main()
{
  int i=1,j=2,a,N;
  float sum;
  scanf("%d",&N);
  for(a=2;a<=N;a++)
  {
    n=j;
    j=i+j;
    i=n;
    sum+=2.0+j/i;
  }
  printf("%.2f",sum);
  return 0;
}
/*
Main.c: In function 'main':
Main.c:9:5: error: 'n' undeclared (first use in this function)
     n=j;
     ^
Main.c:9:5: note: each undeclared identifier is reported only once for each function it appears in
*/