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PROBLEM SOLVING THROUGH C(P21CS203) ASSIGNMENT I Class: II Semester B Section Date: 18/07/2022
Sl.No.	Questions
1.	Define algorithm. i) Write algorithm to find all the roots of a quadratic equation ax2+bx+c=0 ii) Write algorithm to find area & perimeter of rectangle. iii)Write algorithm to find even numbers between 1 and 50.
2.	Define flowchart. i) Write a flowchart to find largest of three numbers. ii) Write a flowchart to find if a given number is prime or not. iii) Write a flowchart to find factorial of a given number.
3.	Write the characteristics/properties of an algorithm.
4.	Explain the basic structure of C program.
5.	What is operator? Explain all the operators available in C with example.
6.	Evaluate the following expressions. i) 6*2/ (2+1 * 2/3 + 6) + 8 * (8/4) ii) 17-8/4*2+3-++a where a=6. iii) (a>b)? ((a>c)?a:c): ((b>c)?b:c) where a=2,b=5,c=7. iv) 2v)x * y vi) 3 * (5+2) / 2- 4++ * 2+6 * 3 && 5 || (4/1)
7.	Explain formatted input and output statement with syntax and example.
8.	Write C program which display the grade of student using else if ladder based in the given conditions: If the marks scored by student is <=100 and >= 90 Grade A < 90 and >= 80 Grade B < 80 and >= 70 Grade C < 70 and >= 60 Grade D < 60 and > 50 Grade E == 50 Grade F < 50 and >= 0 FAIL
9.	Using Switch statement, write a program that displays the following menu for the food items available to take order from the customer: B= Burger F= French Fries P= Pizza S= Sandwiches The program inputs the type of food and quantity. It finally displays the total charges for the order according to following criteria: Burger = Rs. 200 French Fries= Rs. 50 Pizza= Rs. 500 Sandwiches= Rs. 150
10.	Write a C program to convert given number (between 1 to 5) into words using switch.
11.	Write a C program to convert given uppercase letter to a lowercase letter and vice-versa using if-else statement.
12.	Write a program to check if a given four digit number is a palindrome or not.
13.	Suppose there are 20 students in a class. Each student obtains marks in range 0-100. Write a program to count number of student in following groups .Poor (0-25), Average (26-50), Good (51-75), Excellent (76-100).
14.	Define array. List and explain the various ways to initialize 1D-array.
15.	Write a program in C to print all unique elements in an array
16.	Write a c program to check if the array elements are sorted or not.If not sorted apply bubble sort to sort the elements in descending order.
17.	Write a c program to find the product of two matrices.
18.	Write a C program to check if the given matrix is an identity matrix or not.

Note: Submit Assignment I before 30/07/2022

Attachments:

Assign1-21-22....doc