View Code of Problem 71

#include <stdio.h>
#include <stdlib.h>

int main()
{
    float i,j,m,N,t;
    j=1;
    m=j+1;
    float sum;
    scanf("%f",&N);

    for(i=0;i<N;i++)
    {
       sum=sum+m/j;
       t=m;
       m=m+j;
       j=t;
    }
    printf("%.2f",sum);
    return 0;
}