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# Find three element from different three arrays such that that a + b + c = sum in Python

Suppose we have three arrays A, B, C and another value called "sum", We have to check whether there are three elements a, b, c such that a + b + c = sum and a, b and c should be under three different arrays.

So, if the input is like A = [2,3,4,5,6], B = [3,4,7,2,3], C = [4,3,5,6,7], sum = 12, then the output will be True as 4+2+6 = 12, and 4, 2, 6 are taken from A, B, C respectively.

To solve this, we will follow these steps −

for i in range 0 to size of A, do

for j in range 0 to size of B, do

for k in range 0 to size of C, do

if A[i] + B[j] + C[k] is same as sum, then

return True

return False

## Example

Let us see the following implementation to get better understanding −

def is_sum_from_three_arr(A, B, C, sum): for i in range(0 , len(A)): for j in range(0 , len(B)): for k in range(0 , len(C)): if (A[i] + B[j] + C[k] == sum): return True return False A = [2,3,4,5,6] B = [3,4,7,2,3] C = [4,3,5,6,7] sum = 12 print(is_sum_from_three_arr(A, B, C, sum))

## Input

[2,3,4,5,6], [3,4,7,2,3], [4,3,5,6,7], 12

## Output

True

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