C Write a program to Convert a Decimal number to a Binary number C – program to create Simple Calculator using Switch Case C – program to Input Marks of five subjects Physics, Chemistry, Biology, Mathematics and Computer. Calculate the Percentage and Grade as per the grade system table C – Write a program to print TOTAL Number of Days in a Month using switch case. C – program to input any Character and check whether it is a ALPHABET, DIGIT or a SPECIAL Character C – Find the Student Grace Marks using the switch. Inputs are Marks ‘Class Obtained’ & ‘No of the Subjects – failed in’ C – Check whether the Triangle is VALID based on the input lengths of its three SIDES entered through the keyboard. A triangle is considered valid if the sum of any two sides is greater than the largest of the three sides. C – While purchasing certain items, a discount of 10% is offered if the quantity purchased is more than 1000. If quantity and price per item are input through the keyboard, write a program to calculate the total expenses. C-If a Five-digit Number is input through the keyboard, write a program to REVERSE the number. C – Program to print a FULL-PYRAMID C – Program to print the LEFT Half of the PYRAMID C – Program to print the RIGHT Half of the PYRAMID C Program to Calculate the Sum of All Elements in an Array. The program will prompt the user to input the array size and the individual array elements. C Program to Find the Minimum and Maximum Numbers in an Array. The program will prompt the user to input the array size and the array elements