73.ATM Machine Code

C Program to Display the ATM Transaction

This C Program performs ATM transaction. The types of ATM transaction are
1) Balance checking
2) Cash withdrawal
3) Cash deposition.
You can opt any of the above transaction according to your need of transaction.

Here is source code of the C Program to display the ATM transaction. The C program is successfully compiled and run on a Linux system. The program output is also shown below.

1. /*

2.  * C Program to Display the ATM Transaction

3.  */

4. #include <stdio.h>

6. unsigned long amount=1000, deposit, withdraw;

7. int choice, pin, k;

8. char transaction ='y';

10. void main()

11. {

12.  while (pin != 1520)

13.  {

14.   printf("ENTER YOUR SECRET PIN NUMBER:");

15.   scanf("%d", &pin);

16.   if (pin != 1520)

17.   printf("PLEASE ENTER VALID PASSWORD\n");

18.  }

19.  do

20.  {

21.   printf("********Welcome to ATM Service**************\n");

22.   printf("1. Check Balance\n");

23.   printf("2. Withdraw Cash\n");

24.   printf("3. Deposit Cash\n");

25.   printf("4. Quit\n");

26.   printf("******************?**************************?*\n\n");

27.   printf("Enter your choice: ");

28.   scanf("%d", &choice);

29.   switch (choice)

30.   {

31.   case 1:

32.    printf("\n YOUR BALANCE IN Rs : %lu ", amount);

33.    break;

34.   case 2:

35.    printf("\n ENTER THE AMOUNT TO WITHDRAW: ");

36.    scanf("%lu", &withdraw);

37.    if (withdraw % 100 != 0)

38.    {

39.     printf("\n PLEASE ENTER THE AMOUNT IN MULTIPLES OF 100");

40.    }

41.    else if (withdraw >(amount - 500))

42.    {

43.     printf("\n INSUFFICENT BALANCE");

44.    }

45.    else

46.    {

47.     amount = amount - withdraw;

48.     printf("\n\n PLEASE COLLECT CASH");

49.     printf("\n YOUR CURRENT BALANCE IS%lu", amount);

50.    }

51.    break;

52.   case 3:

53.    printf("\n ENTER THE AMOUNT TO DEPOSIT");

54.    scanf("%lu", &deposit);

55.                         amount = amount + deposit;

56.    printf("YOUR BALANCE IS %lu", amount);

57.    break;

58.   case 4:

59.    printf("\n THANK U USING ATM");

60.    break;

61.   default:

62.    printf("\n INVALID CHOICE");

63.   }

64.   printf("\n\n\n DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n): \n");

65.   fflush(stdin);

66.   scanf("%c", &transaction);

67.   if (transaction == 'n'|| transaction == 'N')

68.                     k = 1;

69.  } while (!k);

70.  printf("\n\n THANKS FOR USING OUT ATM SERVICE");

71. }

Output:
$ cc pgm33.c
$ a.out
ENTER YOUR SECRET PIN NUMBER:1520
********Welcome to ATM Service**************
1. Check Balance
2. Withdraw Cash
3. Deposit Cash
4. Quit
******************?**************************?*
 
Enter your choice: 1
 
YOUR BALANCE IN Rs : 1000
 
 
DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n):
********Welcome to ATM Service**************
1. Check Balance
2. Withdraw Cash
3. Deposit Cash
4. Quit
******************?**************************?*
 
Enter your choice: 2
 
ENTER THE AMOUNT TO WITHDRAW: 200
 
 
PLEASE COLLECT CASH
YOUR CURRENT BALANCE IS800
 
DO U WISH TO HAVE ANOTHER TRANSACTION?(y/n):
********Welcome to ATM Service**************
1. Check Balance
2. Withdraw Cash
3. Deposit Cash
4. Quit
******************?**************************?*
 
Enter your choice: 3
 
ENTER THE AMOUNT TO DEPOSIT5000
YOUR BALANCE IS 5800
 
 
DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n):
********Welcome to ATM Service**************
1. Check Balance
2. Withdraw Cash
3. Deposit Cash
4. Quit
******************?**************************?*
 
Enter your choice: 1
 
YOUR BALANCE IN Rs : 5800
 
 
DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n):
********Welcome to ATM Service**************
1. Check Balance
2. Withdraw Cash
3. Deposit Cash
4. Quit
******************?**************************?*
 
Enter your choice: 4
 
THANK U USING ATM
 
 
DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n):
********Welcome to ATM Service**************
1. Check Balance
2. Withdraw Cash
3. Deposit Cash
4. Quit
******************?**************************?*
 
Enter your choice: 4
 
THANK U USING ATM
 
 
DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n):
********Welcome to ATM Service**************
1. Check Balance
2. Withdraw Cash
3. Deposit Cash
4. Quit
******************?**************************?*
 
Enter your choice: n
 
THANK U USING ATM
 
 
DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n):
 
THANKS FOR USING OUT ATM SERVICE.

72.C Programming Code To Create Pyramid and Pattern

C Programming Code To Create Pyramid and Pattern

Examples to print half pyramid, pyramid, inverted pyramid, Pascal's Triangle and Floyd's triangle in C Programming using control statements.

To understand this example, you should have the knowledge of following C programming topics:

• C if, if...else and Nested if...else Statement
• C Programming for Loop
• C programming while and do...while Loop
• C Programming break and continue Statement

List of Source Code
Code to print triangles using *, digits and characters
Code to print inverted triangles using * and digits
Code to print full pyramids
Code to print Pascal's triangle
Code to print Floyd's triangle

Programs to print triangles using *, numbers and characters

---

Example 1: Program to print half pyramid using *

*
* *
* * *
* * * *
* * * * *

#include <stdio.h>
int main()
{
    int i, j, rows;

    printf("Enter the number of rows: ");
    scanf("%d",&rows);

    for(i=1; i<=rows; ++i)
    {
        for(j=1; j<=i; ++j)
        {
            printf("* ");
        }
        printf("\n");
    }
    return 0;
}

---

Example 2: Program to print half pyramid a using numbers

1
1 2
1 2 3
1 2 3 4
1 2 3 4 5

#include <stdio.h>
int main()
{
    int i, j, rows;

    printf("Enter the number of rows: ");
    scanf("%d",&rows);

    for(i=1; i<=rows; ++i)
    {
        for(j=1; j<=i; ++j)
        {
            printf("%d ",j);
        }
        printf("\n");
    }
    return 0;
}

---

Example 3: Program to print half pyramid using alphabets

A
B B
C C C
D D D D
E E E E E

#include <stdio.h>
int main()
{
    int i, j;
    char input, alphabet = 'A';

    printf("Enter the uppercase character you want to print in last row: ");
    scanf("%c",&input);

    for(i=1; i <= (input-'A'+1); ++i)
    {
        for(j=1;j<=i;++j)
        {
            printf("%c", alphabet);
        }
        ++alphabet;

        printf("\n");
    }
    return 0;
}

Programs to print inverted half pyramid using * and numbers

---

Example 4: Inverted half pyramid using *

* * * * *
* * * *
* * * 
* *
*

#include <stdio.h>
int main()
{
    int i, j, rows;

    printf("Enter the number of rows: ");
    scanf("%d",&rows);

    for(i=rows; i>=1; --i)
    {
        for(j=1; j<=i; ++j)
        {
            printf("* ");
        }
        printf("\n");
    }
    
    return 0;
}

---

Example 5: Inverted half pyramid using numbers

1 2 3 4 5
1 2 3 4 
1 2 3
1 2
1

#include <stdio.h>
int main()
{
    int i, j, rows;

    printf("Enter the number of rows: ");
    scanf("%d",&rows);

    for(i=rows; i>=1; --i)
    {
        for(j=1; j<=i; ++j)
        {
            printf("%d ",j);
        }
        printf("\n");
    }

    return 0;
}

 Programs to display pyramid and inverted pyramid using * and digits

---

Example 6: Program to print full pyramid using *

        *
      * * *
    * * * * *
  * * * * * * *
* * * * * * * * *

#include <stdio.h>
int main()
{
    int i, space, rows, k=0;

    printf("Enter the number of rows: ");
    scanf("%d",&rows);

    for(i=1; i<=rows; ++i, k=0)
    {
        for(space=1; space<=rows-i; ++space)
        {
            printf("  ");
        }

        while(k != 2*i-1)
        {
            printf("* ");
            ++k;
        }

        printf("\n");
    }
    
    return 0;
}

---

Example 7: Program to print pyramid using numbers

        1
      2 3 2
    3 4 5 4 3
  4 5 6 7 6 5 4
5 6 7 8 9 8 7 6 5

#include <stdio.h>
int main()
{
    int i, space, rows, k=0, count = 0, count1 = 0;

    printf("Enter the number of rows: ");
    scanf("%d",&rows);

    for(i=1; i<=rows; ++i)
    {
        for(space=1; space <= rows-i; ++space)
        {
            printf("  ");
            ++count;
        }

        while(k != 2*i-1)
        {
            if (count <= rows-1)
            {
                printf("%d ", i+k);
                ++count;
            }
            else
            {
                ++count1;
                printf("%d ", (i+k-2*count1));
            }
            ++k;
        }
        count1 = count = k = 0;

        printf("\n");
    }
    return 0;
}

---

Example 8: Inverted full pyramid using *

* * * * * * * * *
  * * * * * * *
    * * * * *
      * * *
        *

#include<stdio.h>
int main()
{
    int rows, i, j, space;

    printf("Enter the number of rows: ");
    scanf("%d",&rows);

    for(i=rows; i>=1; --i)
    {
        for(space=0; space < rows-i; ++space)
            printf("  ");

        for(j=i; j <= 2*i-1; ++j)
            printf("* ");

        for(j=0; j < i-1; ++j)
            printf("* ");

        printf("\n");
    }

    return 0;
}

---

Example 9: Print Pascal's triangle

           1
         1   1
       1   2   1
     1   3   3    1
   1  4    6   4   1
 1  5   10   10  5   1 

#include <stdio.h>
int main()
{
    int rows, coef = 1, space, i, j;

    printf("Enter number of rows: ");
    scanf("%d",&rows);

    for(i=0; i<rows; i++)
    {
        for(space=1; space <= rows-i; space++)
            printf("  ");

        for(j=0; j <= i; j++)
        {
            if (j==0 || i==0)
                coef = 1;
            else
                coef = coef*(i-j+1)/j;

            printf("%4d", coef);
        }
        printf("\n");
    }

    return 0;
}

---

Example 10: Print Floyd's Triangle.

1
2 3
4 5 6
7 8 9 10

#include <stdio.h>
int main()
{
    int rows, i, j, number= 1;

    printf("Enter the number of rows: ");
    scanf("%d",&rows);

    for(i=1; i <= rows; i++)
    {
        for(j=1; j <= i; ++j)
        {
            printf("%d ", number);
            ++number;
        }

        printf("\n");
    }

    return 0;
}

Check out these related examples:

• C Programming Code To Create Pyramid and Structure
• C Program to Multiply to Matrix Using Multi-dimensional Arrays
• C Program to Count Number of Digits in an Integer