Program of printing first n natural number | In C

Practice Program

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Program of printing first 'n' natural numbers

Solution:  through for loop

void main()
{
    int n,i;

    printf("How many natural number you  want to print: ");
    scanf("%d",&n);


    printf("First %d natural numbers are:\n",n);
    for(i=1; i<=n; i++)
    {
        printf("%d\t",i);
    }


}

Output1

How many natural number you want to print: 5

First %d natural numbers are:
1    2    3    4    5

Output2

How many natural number you want to print: 10

First %d natural numbers are:
1    2    3    4    5    6    7    8    9    10

Output3

How many natural number you want to print: 15

First %d natural numbers are:
1    2    3    4    5    6    7    8    9    10    11    12    13    14    15

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Solution : through while loop

void main()
{
    int n,i = 1;

    printf("How many natural number you  want to print: ");
    scanf("%d",&n);


    printf("First %d natural numbers are:\n",n);
    while(i<=n)
    {
        printf("%d\t",i);
        i++;
    }


}

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Solution:from do-while loop

void main()
{
    int n,i = 1;

    printf("How many natural number you  want to print: ");
    scanf("%d",&n);


    printf("First %d natural numbers are:\n",n);
    do
    {
        printf("%d\t",i);
        i++;
    }
     while(i<=n);

}

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