One of the streets in your city has a total of L street lights.Each light i covers the street from Xi to Yi distance.Find the length of street covered with light.
Input details:
input1: Denoting the number of street lights.
input2 : An array of L*2 elements.For each row i,(Xi,Yi) denote that the street light i covers the distance from Xi to Yi.
Output Deatils:
Your Function should return the length of the street covered with light.
Example 1:
input1:1
input2:{{5,10}}
Output: 5
Example 2:
input1: 2
input2: {{5,10},{8,12}}
Output : 7
Explanation 1:
Street light 1: 10-5=5 units covered
Explanation 2:
Street light 1: 10-5=5 units covered
Street light 2: 12-8=4 units covered
Common region = 10-8 =2 units
Total = 5+4-2 =7
For the above problem the java code is given below:
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