1 
Given an array of strings, return all groups of strings that are anagrams. 
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2 
Overlapping rectangles

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3 
Count the subarrays having product less than k

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4 
Given a string, Your task is to complete the function encode that returns the run length encoded string for the given string. 
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5 
Program to find Nth Ugly Number.

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6 
Given two strings str1 and str2. We say that str2 divides str1 if it's possible to concatenate multiple str2 to get str1. 
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7 
Find the kid which gets tha damaged toy 
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8 
Total Decoding Messages 
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9 
Given a pattern containing only I's and D's. I for increasing and D for decreasing. Devise an algorithm to print the minimum number following taht pattern. 
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10 
Find max 10 numbers in a list having 10M entries. 
N.A. 
11 
Given an unsorted array Arr of size N of positive integers. One number'A' from set {1, 2, …N} is missing and one number 'B'occurs twice in array. Find these two numbers. 
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12 
Find total number of Squares in a N*N chessboard 
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13 
Decode the string 
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14 
Minimum Size Subarray Sum 
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15 
.Array Pair Sum Divisibility Problem 
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