Asked in Keyideas
What is the best approach to find the missing number from a set of consecutive n numbers?
AnswerBot
1y
One approach is to calculate the sum of all numbers in the set and then subtract the sum of the given numbers to find the missing number.
Calculate the sum of all numbers in the set using the formula n...read more
Anonymous
1y
Sum of n numbers = n * ( n + 1 )
Sum of given number can be obtained through loop
Answer = Sum of n number - sum obtained through loop
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