FPL C2 Assignments

Assignment10.c

/*
 * matrix.c
 *
 *  Created on: Nov 4, 2014
 */

#include<stdio.h>

int main() {
	int m, n, c, d, first[10][10], second[10][10], sum[10][10];

	printf("Enter the number of Rows and Columns in matrix: ");
	_flushall();
	scanf("%d%d", &m, &n);

	printf("Enter the elemets of first matrix: ");
	_flushall();

	for (c = 0; c < m; c++) {
		for (d = 0; d < n; d++) {
			scanf("%d", &first[c][d]);
		}
	}

	printf("Enter the elemets of second matrix: ");
	_flushall();

	for (c = 0; c < m; c++) {
		for (d = 0; d < n; d++) {
			scanf("%d", &second[c][d]);
		}
	}
	for (c = 0; c < m; c++) {
		for (d = 0; d < n; d++) {
			sum[c][d] = first[c][d] + second[c][d];
		}
	}

	printf("\nSum of first and second matrices is \n");
	_flushall();

	for (c = 0; c < m; c++) {
		for (d = 0; d < n; d++) {
			printf("%d\t", sum[c][d]);
		}
		printf("\n");
	}
	return 0;
}

/*
 Output:
 Enter the number of Rows and Columns in matrix: 3
 3
 Enter the elemets of first matrix: 1
 2
 4
 5
 6
 3
 2
 1
 2
 Enter the elemets of second matrix: 3
 2
 1
 5
 4
 6
 8
 7
 4

 Sum of first and second matrices is
 4	4	5
 10	10	9
 10	8	6
 */

Assignment2.c

/*
 * sum.c
 *
 *  Created on: Sep 5, 2014
 *  
 */

#include<stdio.h>

void main() {
	int sum =0, i;
	for(i=0; i<=100; i++) {
		if(i%4==0) {
		sum= sum + i;
		}

	}
	printf("The sum is %d.", sum);
}

/*
Output:
The Sum is 1300.
*/

Assignment4.c

/*
 * number.c
 *
 *  Created on: Sep 19, 2014
 */

#include<stdio.h>

void main () {
	int num, units, tens;
	printf("Enter a number: ");
	_flushall();
	scanf("%d", &num);
	if(num >= 100) {
		printf("Invalid Number");
	} else if(num > 10 && num < 20) {
		switch(num) {
		case 11: printf("Eleven"); break;
		case 12: printf("Twelve"); break;
		case 13: printf("Thirteen"); break;
		case 14: printf("Fourteen"); break;
		case 15: printf("Fifteen"); break;
		case 16: printf("Sixteen"); break;
		case 17: printf("Seventeen"); break;
		case 18: printf("Eighteen"); break;
		case 19: printf("Nineteen"); break;
		}
	} else {
		tens = num/10;
		units = num%10;
		switch(tens) {
		case 2: printf("Twenty "); break;
		case 3: printf("Thirty "); break;
		case 4: printf("Forty "); break;
		case 5: printf("Fifty "); break;
		case 6: printf("Sixty "); break;
		case 7: printf("Seventy "); break;
		case 8: printf("Eighty "); break;
		case 9: printf("Ninety "); break;

		}
		switch(units) {
		case 1: printf("One"); break;
		case 2: printf("Two"); break;
		case 3: printf("Three"); break;
		case 4: printf("Four"); break;
		case 5: printf("Five"); break;
		case 6: printf("Six"); break;
		case 7: printf("Seven"); break;
		case 8: printf("Eight"); break;
		case 9: printf("Nine"); break;
		}
	}
}

/*
Output:
Enter a number: 65
Sixty Five
*/

Assignment5.c

/*
 * fibonacci.c
 *
 *  Created on: Sep 5, 2014
 */
#include<stdio.h>

void main() {
	int i, temp1 = 0, temp2 = 1, temp3;
	printf("Fibonacci series till 20 is \n");
	printf("%d \n%d \n", temp1, temp2);

	for(i=0; i<20; i++) {
		temp3 = temp2 + temp1;
		printf("%d \n", temp3);
		temp1 = temp2;
		temp2 = temp3;
	}
}

/*
Output:
Fibonacci series till 20 is
0
1
1
2
3
5
8
13
21
34
55
89
144
233
377
610
987
1597
2584
4181
6765
10946
*/

Assignment6.c

/*
 * prime.c
 *
 *  Created on: Sep 19, 2014
 */
#include<stdio.h>
void  main() {
	int a, k, t, p;
	printf("Enter the value of k: ");
	_flushall();
	scanf("%d", &k);
	printf("Prime numbers upto %d are: \n",k );
	for(a=1; a<=k; a++) {
		p = 0;
		for(t=1; t<=a; t++) {
			if(a%t==0) { p++; }
		}
		if(p==2) {
			printf("%d ", a);
		}
	}

}

/*
Output:
Enter the value of k: 50
Prime numbers upto 50 are:
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47
*/

Assignment7.c

/*
 * factorial.c
 *
 *  Created on: Sep 26, 2014

 */

#include<stdio.h>

int factorial(int); //Declaration of Function

void main() {
	int n, fact;
	printf("Enter a number to calculate factorial: ");
	_flushall();
	scanf("%d", &n);
	fact = factorial(n); //Function Call
	printf("Factorial of %d is %d", n, fact);
}

int factorial(int x) {
	int f;
	if(x==1) {
		return 1;
	}
	else {
		f = x*factorial(x-1);
		return f;
	}
}

/*
Output:
Enter a number to calculate factorial: 6
Factorial of 6 is 720
*/

Assignment8.c

/*
 * bubblesort.c
 *
 *  Created on: Sep 26, 2014
 */
#include<stdio.h>

void main() {
	int temp, i, j, n;
	int a[10];
	printf("Enter number of elements of an array: ");
	_flushall();
	scanf("%d", &n);
	printf("Enter the elements of array:");
	_flushall();
	for(i=0;i<n;i++) {
		scanf("%d", &a[i]);
	}

	for(i=0;i<n;i++) {
		for(j=0;j<n-i;j++) {
			if(a[j] > a[j+1]) {
				temp = a[j];
				a[j] = a[j+1];
				a[j+1] = temp;
			}
		}
	}

	printf("Sorted array is:");

	for(i=0;i<n;i++) {
		printf(" %d ", a[i]);
		_flushall();
	}
}

/*
Output:
Enter number of elements of an array: 5
Enter the elements of array:1 3 4 2 8
Sorted array is: 1  2  3  4  8
*/

Assignment9.c

/*
 * string_operations.c
 *
 *  Created on: Nov 4, 2014
 */

#include<stdio.h>
#include<string.h>

void main() {
	char a[30], b[30];
	int l;
	printf("Enter a string: ");
	_flushall();
	scanf("%s", &a);
	l = strlen(a);

	printf("\n Length of given string is %d.", l);

	printf("\n Enter another string: ");
	_flushall();
	scanf("%s", &b);

	strcat(a,b);

	printf("\n Concatenated string is %s.", a);
}

/* Output:
 Enter a string: Hello

 Length of given string is 5.
 Enter another string: World!

 Concatenated string is HelloWorld!.
 */