DSquare Solutions interview questions

1.Given an array of integers, find sub arrays which sum up to a given value. 2. For an input of random integers print the output in following manner input: 3,9,1,7,4,8 output: 1,9,3,8,4,7 3. Consider a number system which consists of English Alphabets having base 26 (similar to binary(2), octal(8) and hexadecimal(6) number system), print output as follows: input1: 1 output: A input2: 27 output: AA input3: 26 output: Z