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I could understand that we are tracking start(a) and end(b) points and in between them all are sum of K.
But i couldn't understand the last loop.
Can anyone please explain why summing the array will work for our solution?
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Array Manipulation
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I could understand that we are tracking start(a) and end(b) points and in between them all are sum of K. But i couldn't understand the last loop. Can anyone please explain why summing the array will work for our solution?