lucproblem009.c

Metadata

• Author — Amit Dutta (amitdutta4255@gmail.com)
• Last updated — 12 Dec 2025
• License — MIT

Problem Statement

Problem Statement

Write a program to add first seven terms of the following series using a for loop. 1 / 1! + 2 / 2! + 3 / 3! + ...

Source Code

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#include <stdio.h>
#define N 7 // update N here

int main()
{
    double sum = 0; int fact = 1;
    for (int i = 1; i <= N; i++)
    {
        fact *= i;
        sum += (double)i / fact;
    }
    printf("Sum of the series : %g", sum);
    return 0;
}