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Number of Intervals in which given value lies
Objective: Given a list of intervals with start and end for each interval. You have given a value V, write an algorithm to find the number of intervals in which the value V lies.
Example:
Given Interval: [[1,7], [3,10], [12,15]] Value : 6 lies in Intervals: 2 Given Interval: [[1,7], [3,10], [12,15]] Value : 11 lies in Intervals: 0
Approach:
 Input: list of intervals and value V.
 Initialize count = 0.
 Iterate through the intervals, for each current interval
 Check if V lies in the current intervals mean start_of_current<=V and end_of_current>=V, increment the count.
 Return the count.
Complete Code:
Output:
Given Interval: [[1,7], [3,10], [12,15]] Value : 6 lies in Intervals: 2