C language loops | while loop 5

Example:21
C program to take input for 5 nos, check and print the largest entered number?
Sol:

#include <stdio.h>

int main()
{
    int i=1,n,m=0;
    while(i<=5)
    {
        printf("Enter any no ");
        scanf("%d",&n);
        if(n>m)
            m=n;
        i++;
    }
    printf("Max no = %d",m);
    return 0;
}

output:

Enter any no 25
Enter any no 96
Enter any no 45
Enter any no 32
Enter any no 4
Max no = 96

Note: The above program will give invalid result only when all the entered numbers are -ve. To make a perfect program we have to make program as given below.

#include <stdio.h>

int main()
{
    int i=1,n,m=0;
    while(i<=5)
    {
        printf("Enter any no ");
        scanf("%d",&n);
        if(i==1)
            m=n;
        if(n>m)
            m=n;
        i++;
    }
    printf("Max no = %d",m);
    return 0;
}

output:

Enter any no 25
Enter any no 96
Enter any no -89
Enter any no 36
Enter any no 4
Max no = 96

Example:22
C program to take input for 5 nos, check and print the lowest entered number?
Sol:

#include <stdio.h>

int main()
{
    int i=1,n,m=0;
    while(i<=5)
    {
        printf("Enter any no ");
        scanf("%d",&n);
        if(i==1)
            m=n;
        if(n<m)
            m=n;
        i++;
    }
    printf("Min no = %d",m);
    return 0;
}

output:

Enter any no 25
Enter any no 96
Enter any no 3
Enter any no 45
Enter any no 85
Min no = 3

Example:23
C program to take input for 10 numbers , check and print the following:
a. max no
b. min no
c. diff between max and min no
Sol:

#include <stdio.h>

int main()
{
    int i=1,n,ma,mi,d;
    while(i<=5)
    {
        printf("Enter any no ");
        scanf("%d",&n);
        if(i==1)
        {
            ma=n;
            mi=n;
        }
        /* max no */
        if(n>ma)
            ma=n;
        /* min no */
        if(n<mi)
            mi=n;
        i++;
    }
    /* diff */
    d=ma-mi;
    printf("Max no = %d Min no = %d diff = %d",ma,mi,d);
    return 0;
}

output:

Enter any no 25
Enter any no 63
Enter any no 3
Enter any no 48
Enter any no 5
Max no = 63 Min no = 3 diff = 60

Example:24
C program to take input for a number calculate and print its table?
Sol:

#include <stdio.h>

int main()
{
    int i=1,n,t;
    printf("Enter any no ");
    scanf("%d",&n);
    while(i<=10)
    {
        t=n*i;
        printf("%d\n",t);
        i++;
    }
    return 0;
}

output:

Enter any no 5
5
10
15
20
25
30
35
40
45
50

Method : 2

#include <stdio.h>

int main()
{
    int i=1,n,t;
    printf("Enter any no ");
    scanf("%d",&n);
    while(i<=10)
    {
        t=n*i;
        printf("%d * %d = %d\n",n,i,t);
        i++;
    }
    return 0;
}

output:

Enter any no 5
5 * 1 = 5
5 * 2 = 10
5 * 3 = 15
5 * 4 = 20
5 * 5 = 25
5 * 6 = 30
5 * 7 = 35
5 * 8 = 40
5 * 9 = 45
5 * 10 = 50

Example:25
C program to take input for a number calculate and print its factorial?
Sol:

#include <stdio.h>

int main()
{
    int i=1,n,f=1;
    printf("Enter any no ");
    scanf("%d",&n);
    while(i<=n)
    {
        f=f*i;
        i++;
    }
    printf("Fact = %d",f);
    return 0;
}

output:

Enter any no 5
fact = 120

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