Write a flowchart of a program for first n even number
Sure! Here is a flowchart for a program that generates the first n even numbers:
```
+-------------+
| Start |
+-------------+
|
v
+-------------+
| Input n |
+-------------+
|
v
+-------------+
| Initialize |
| counter i |
+-------------+
|
v
+-------------+
| Initialize |
| counter num |
+-------------+
|
v
+-------------------+
| Loop: while num < |
| n |
+-------------------+
|
+-------+--------+
| |
v |
+-------------+ |
| Check if i is | |
| even | |
+-------------+ |
| |
v |
+-----------------+
| Print i |
+-----------------+
| |
+-------+--------+
|
v
+-----------------+
| Increment counter|
| num by 1 |
+-----------------+
| |
v |
+-------------+ |
| Increment | |
| counter i | |
+-------------+ |
| |
v |
+-------------------+
| Repeat the loop |
+-------------------+
|
v
+-------------+
| End |
+-------------+
```
In this flowchart, the program takes an input "n" from the user, initializes two counters `i` and `num` to track the current even number and the number of even numbers printed, respectively. It then enters a loop that continues until `num` reaches `n`. Inside the loop, the program checks if the current value of `i` is even. If it is, it prints the value, increments `num` by 1, and then increments `i` by 1. After that, the program repeats the loop until `num` reaches `n`. Finally, the program terminates.
Sure! Here's a flowchart for a program that prints the first n even numbers:
```
____________________
| |
| Start Program |
|____________________|
|
V
Get input value for n
|
V
Initialize a variable i to 1
|
V
Initialize a variable count to 0
|
V
| (count < n)
|
V
Is i even?
|
| No
|-----+
| |
V V
Increment i
|
V
Continue loop
|
| Yes
|-----+
| |
V V
Print i
|
V
Increment count by 1
|
V
Continue loop
|
V
___________________
| |
| End of Program |
|___________________|
```
To implement this flowchart in a programming language like Python, you can use a loop structure such as a `while` or `for` loop. Here's an example of how you can do it in Python:
```python
n = int(input("Enter the value of n: "))
i = 0
count = 0
while count < n:
i += 2
print(i)
count += 1
```
In this program, the user is prompted to enter the value of `n`, which represents the number of even numbers they want to print. The program then uses a `while` loop to iterate `n` times. In each iteration, the value of `i` is incremented by 2, printing the next even number. The `count` variable keeps track of how many even numbers have been printed so far, and the loop continues until the count reaches `n`.