View Code of Problem 48

  #include <stdio.h>
    int main()
    {
      int n,i,temp;
      double a= 1.0,b= 2.0;
      double sum = 0.0;
      scanf("%d",&n);
      if(n>=1&&n<=10)
      {
        for(i=0;i<n;i++)
        {
          sum = sum + b/a;
  		    temp = b;
          b = a + b;
          a = temp;
        }
      }
      printf("%.6lf",sum);
      return 0;
    }

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