Introduction To Programming In C NPTEL Assignment 5 Answers

Introduction To Programming In C NPTEL Assignment 5 Answers 2022:- All the Answers provided here to help the students as a reference, You must submit your assignment at your own knowledge.

What is Introduction To Programming In C?

This is a course in programming in C. No prior programming experience is assumed; however, mathematical maturity at the level of a second-year science or engineering undergraduate is assumed. We emphasize solving problems using the language and introduce standard programming techniques like alternation, iteration, and recursion. We will briefly glimpse the basics of software engineering practices like modularization, commenting, and naming conventions which help in collaborating and programming in teams. 

CRITERIA TO GET A CERTIFICATE

Average assignment score = 25% of the average of best 6 assignments out of the total 8 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF THE AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

Assignment No.	Answers
Introduction To Programming In C Assignment 1	Click Here
Introduction To Programming In C Assignment 2	Click Here
Introduction To Programming In C Assignment 3	Click Here
Introduction To Programming In C Assignment 4	Click Here
Introduction To Programming In C Assignment 5	Click Here
Introduction To Programming In C Assignment 6	Click Here
Introduction To Programming In C Assignment 7	Click Here
Introduction To Programming In C Assignment 8	Click Here

Introduction To Programming In C NPTEL Assignment 5 Answers 2022:-

Q1. The Collatz function is defined for a positive integer n as follows.
f(n) = 3n+1 if n is odd
        n/2     if n is even

Code:-

#include<stdio.h>
int main(){
int n;
scanf("%d", &n);
int count = 0;
while(n > 1){
count = count + 1;
if(n % 2 == 0){
n = n / 2;
}
else{
n = n * 3 + 1;
}
}
printf("%d", count);
return 0;
}  

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Q2. Consider a matrix M of integers. Divide M into 4 sub-matrices. These sub-matrices are called as Quadrants. Report the Quadrant number which has the smallest minimum-element. If two or more quadrants have same smallest minimum, report the smallest quadrant index.

Code:-

#include<stdio.h>
#include<stdlib.h>
int minimum(int matrix[11][11] , int tx , int ty , int bx ,int by )
{
int min = 32760; // a large positive number
int i , j ;
for ( i = tx ; i <= bx ; i++ )
for ( j = ty ; j <= by ; j++)
if (matrix[i][j] < min)
min = matrix[i][j];
return min;
}
void scan_matrix(int matrix[11][11] , int rows , int columns) //Scanning the 2D matrix
{
int i,j;
for( i = 0 ; i<rows ; i++)
{
for( j = 0 ; j<columns ; j++)
{
scanf("%d", &matrix[i][j]);
}
}
}
int main(void)
{
int rows , columns;
int matrix[11][11]; //Define two-dimensional matrix
scanf("%d",&rows);
scanf("%d",&columns);
scan_matrix(matrix , rows , columns); //Function call to scan the
int quad1 = minimum(matrix, 0 , 0 , rows/2 - 1, columns/2 - 1);
int quad2 = minimum(matrix, 0 , columns/2 , rows/2 - 1, columns - 1);
int quad3 = minimum(matrix, rows/2 , 0 , rows - 1 , columns/2 -1 );
int quad4 = minimum(matrix, rows/2 , columns/2 , rows - 1, columns - 1);
int min = 32767; //Largest possible int value
int min_quad_no = 0; //Some initially set value
if(quad1<min){min = quad1; min_quad_no = 1;}
if(quad2<min){min = quad2;min_quad_no = 2;}
if(quad3<min){min = quad3;min_quad_no = 3;}
if(quad4<min){min = quad4;min_quad_no = 4;}
printf("%d",min_quad_no); //Printing the Quadrant Number with the minimum property result
return 0;
}  

Q3. Write a recursive program that inputs a line of characters from the user. The line may contain blanks. It outputs the line with the characters reversed. The input ends with EOF (end of file). 
NOTE: You have to use recursion to solve this, and are NOT allowed to use array to store the input!! 

Code:-

#include <stdio.h>
void revstr() {
int ch = getchar();
if (ch == EOF) return;
revstr();
putchar(ch);
}
int main() {
revstr();
return 0;
} 

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Introduction To Programming In C NPTEL Assignment 5 Answers 2022:- All the Answers provided here to help the students as a reference, You must submit your assignment to your own knowledge.