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Vedmedyk [2.9K]
2 years ago
6

Write a recursive function named canmakesum that takes a list of * integers and an integer target value (sum) and returns true i

f it is * possible to have some set of values from the list that sum to the * target value.
Computers and Technology
1 answer:
valentinak56 [21]2 years ago
7 0

// Java program to find sum of array

// elements using recursion.

class Test {

   static int arr[] = { 1, 2, 3, 4, 5 };

   // Return sum of elements in A[0..N-1]

   // using recursion.

   static int findSum(int A[], int N)

   {

       if (N <= 0)

           return 0;

       return (findSum(A, N - 1) + A[N - 1]);

   }

   // Driver method

   public static void main(String[] args)

   {

       System.out.println(findSum(arr, arr.length));

   }

}

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blondinia [14]

Answer:

I think it is 1 because that is all that works for me

3 0
2 years ago
Write an if/else statement that assigns 0 to x when y is equal to 10; otherwise it should assign
Liono4ka [1.6K]

Answer:

if(y==10)

{

     x=0;   // assigning 0 to x if y equals 10.

}

else

{

   x=1;   // assigning 1 to x otherwise.

}

Explanation:

In the if statement i have used equal operator == which returns true if value to it's right is equal to value to it's left otherwise false.By using this operator checking value of y and if it is 10 assigning 0 to x and if it is false assigning 1 to x.

7 0
3 years ago
Please help me on this coding problem :)
Vesnalui [34]

Answer:

a=4 , b=1

Explanation:

I'm not a computer science major at all but I think I can help you with this code.

Our program wants us to add 2 to a get new a value while also subtracting 1 from b value to obtain new b value. We we want to for for as long b is not 0 and a/b is nonnegative.

One round we get:

New a=0+2=2

New b=3-1=2

Let's see if we can go another round:

New a=2+2=4

New b=2-1=1

We can't go another round because b would be negative while a is positive which would make a/b negative. So our loop stops at this 2nd round.

a=4 , b=1

Other notes:

2nd choice makes no sense because a is always going to increase because of the addition on a and b was going to decrease because of the subtraction on it.

Third choice makes no sense because a/b doesn't even exist.

Fourth choice a/b is negative not nonnegative.

4 0
3 years ago
Write out code for a nested if statement that allows a user to enter in a product name, store the product into a variable called
OlgaM077 [116]

Answer:

product_name = input("Enter product name : ")

if product_name=="pen"or"book"or"box"or"pencil"or"eraser":

   if product_name == "pen":  

       amount = 10

       print(f"Product Name: {product_name}\nCost: {amount} rupees")

   if product_name == "book":

       amount = 100

       print(f"Product Name: {product_name}\nCost: {amount} rupees")

   if product_name == "box":  

       amount = 150

       print(f"Product Name: {product_name}\nCost: {amount} rupees")

   if product_name == "pencil":  

       amount = 5

       print(f"Product Name: {product_name}\nCost: {amount} rupees")

   if product_name == "eraser":

       amount = 8

       print(f"Product Name: {product_name}\nCost: {amount} rupees")

else:  

   print("Item not found!")

Explanation:

The python program is a code of nested if-statements that compares the input string to five items of the first if-statement. For every item found, its code block is executed.

6 0
3 years ago
Given two input integers for an arrowhead and arrow body, print a right-facing arrow.
Zanzabum

Answer:

I don't know the language this is but here is something that will work for all lang

int num0 = 0;

int num1 = 0;

basically just print the ints in the right dimension

Explanation:

Sorry if I am wrong

I don't know much about this someone else's answer might be better than mine

3 0
3 years ago
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