Problem Statement: Particulate matters are the biggest contributors to New-Delhi pollution. The main reason behind the increase in the concentration of Particulate matters include vehicle emission by applying Odd Even Number concept for all types of vehicles. The vehicles with the odd number last digit in the registration number will be allowed on roads on odd dates and those with even number last digit will on even dates.

Given an integer array A[], contains the last digit of the registration number of n vehicles traveling on date d(a positive integer). The task is to calculate the total fine collected by the traffic police department from the vehicles violating the rules.

Note: For violating the rule, vehicles would be fined as x Rs.

Problem Statement: An intelligence team has received reports about some threats. The reports consist of numbers in a mysterious way. There is a number “n” and another number “r”. Those numbers are studied thoroughly, and it is concluded that all digits of the number ‘n’ are summed up and this action is needed to be performed ‘r’ number of times. The resultant should also be a single digit that is yet to be deciphered. The task here is to find the single digit sum of the given number ‘n’ by repeating the same action ‘r’ number of times.
If the value of ‘r’ is 0, print the output as ‘0’.

Problem Statement: Airport security team have confiscated several items of the passengers at the security check point. All the items have been dropped into a box (array). Each item possesses a certain amount of risk items [0,1,2]. Here, the risk severity of the items represents an array [] of N number of integral values. The task here is to sort the items based on their levels of risk in the array. The risk values range from 0 to 2

Problem Statement: Ankit is always excited about sunday. It is favourite day, when he used to play all day And goes to cycling with his group. So every time when the months starts he counts the number of sundays he will get to enjoy. Considering the month can start with any day, be it Sun, Mon…. Or so on. Count the number of Sundays Ankit will get within n number of days.

Problem Statement: Joseph is learning digital logic subject which will be for his next semester. He usually tries to solve unit assignment problems before the lecture. Today he got one tricky question. The problem statement is “A positive integer has been given as an input.Convert decimal value to binary representation. Print the positive integer value after toggling all bits”.

Problem Statement: A factory is packing candies into the packets. The candies packets here represent an array of N number of integer values. The task is to find the empty packets(0) of candies and push it to the end of the conveyor belt(array).