NIELIT M3-R4: Q.No. 5(a) January 2015

M3-R4: January 2015 (O-Level)

Q. 5(a):
A lucas sequence is given below:
1, 3, 4, 7, 11, 18, 29
The third number is sum of previous two numbers. Write a program to print first 10 numbers of lucas sequence.

Ans:
To print first 10 numbers of the given lucas sequence: 

#include <stdio.h>
#include <conio.h>

void main(){
    int first=1, second=3, third, i;
    printf("\nNumber 1: %d", first);
    printf("\nNumber 2: %d", second);
    for(i=3; i<=10; i++){
        third = first + second;
        printf("\nNumber %d: %d", i, third);
        first = second;
        second = third;
    }
    getch();
}