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Lostsunrise [7]
3 years ago
8

Urgent help Write a program that prints ‘Hello World’ to the screen

Computers and Technology
1 answer:
lapo4ka [179]3 years ago
4 0
Class newprog
 { 
      public static void main()
       {

                 System.out.println("Hello world");
              }
}
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The two mathematical models of language description are generation and recognition. Describe how each can define the syntax of a
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Answer:

The correct answer to the following question will be "Semantic and Syntax error".

Explanation:

<u>Syntax error: </u>

Corresponds to such a mistake in a pattern sentence structure that is composed in either a specific language of that same coding. Because computer programs have to maintain strict syntax to execute appropriately, any elements of code that would not adhere to the programming or scripting language syntax can result inside a syntax error.

<u>Semantic error: </u>

That would be a logical error. This is because of erroneous logical statements. Write inaccurate logic or code of a program, which results incorrectly whenever the directives are implemented.

So, it's the right answer.

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Using recursion, write a program that asks a user to enter the starting coordinates (row, then column), the ending coordinates (
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Answer:

The program in Python is as follows

def Paths(row,col):

if row ==0 or col==0:

 return 1

return (Paths(row-1, col) + Paths(row, col-1))

row = int(input("Row: "))

col = int(input("Column: "))

print("Paths: ", Paths(row,col))

Explanation:

This defines the function

def Paths(row,col):

If row or column is 0, the function returns 1

<em> if row ==0 or col==0: </em>

<em>  return 1 </em>

This calls the function recursively, as long as row and col are greater than 1

<em> return (Paths(row-1, col) + Paths(row, col-1))</em>

The main begins here

This prompts the user for rows

row = int(input("Row: "))

This prompts the user for columns

col = int(input("Column: "))

This calls the Paths function and prints the number of paths

print("Paths: ", Paths(row,col))

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