C-Tutorial

Sunday, 8 December 2019

sine series 1-x^2/2!+x^4/4!-x^6/6!+.....

C PROGRAMS

Sekar C Sunday, December 08, 2019 0

/* Program for sine series 1-x^2/2!+x^4/4!-x^6/6!+..... */

#include<stdio.h>

#include<conio.h>

#include<math.h>

void main()

{

double x, sum = 1, m;

int n, i, j, fact, y=2, term=1;

clrscr();

printf("\n Enter x value: ");

scanf("%lf",&x);

printf("\n Enter no.of terms: ");

scanf("%d",&n);

for (i = 1; i < n; i++) {

fact = 1;

for (j = 1; j <= y; j++) {

fact = fact * j;

}

term = term * (-1);

m = term * pow(x, y) / fact;

sum = sum + m;

y += 2;

}

printf("\n Sine series: %.2lf",sum);

getch();

}

program to convert hexadecimal to decimal

C PROGRAMS

Sekar C Sunday, December 08, 2019 0

/* program to convert number from hexadecimal to decimal*/

#include <stdio.h>

#include <string.h>

#include <math.h>

void main()

{

char hex[32]={0};

int dec = 0, i, cnt = 0, dig;

clrscr();

printf("Enter hexa decimal value: ");

gets(hex);

for(i=(strlen(hex)-1);i>=0;i--)

{

switch(hex[i])

{

case 'A':

dig=10; break;

case 'B':

dig=11; break;

case 'C':

dig=12; break;

case 'D':

dig=13; break;

case 'E':

dig=14; break;

case 'F':

dig=15; break;

default:

dig=hex[i]-48;

}

dec= dec + (dig)*pow((double)16,(double)cnt);

cnt++;

}

printf("DECIMAL value is: %d", dec);

getch();

}

Program for convert binary to decimal

C PROGRAMS

Sekar C Sunday, December 08, 2019 0

/* Program for convert binary to decimal */

#include <stdio.h>

#include <math.h>

void main()

{

long int n;

int dec = 0, temp = 0, r;

clrscr();

printf("Enter a binary number: ");

scanf("%ld", &n);

while (n!=0)

{

r = n % 10;

n = n / 10;

dec = dec + r * pow(2,temp);

temp++;

}

printf("\n\n Equivalent decimal number is: %d", dec);

getch();

}

Program for convert octal to decimal

C PROGRAMS

Sekar C Sunday, December 08, 2019 0

/* Program for convert octal to decimal */

#include <stdio.h>

#include <math.h>

void main()

{

long int n;

int dec = 0, temp = 0, r;

clrscr();

printf("Enter a octal number: ");

scanf("%ld", &n);

while (n!=0)

{

r = n % 10;

n = n / 10;

dec = dec + r * pow(8,temp);

temp++;

}

printf("\n\n Equivalent decimal number is: %d", dec);

getch();

}

convert decimal to binary / octal / hexadecimal

C PROGRAMS

Sekar C Sunday, December 08, 2019 0

/* Program for convert decimal to binary / octal / hexadecimal */

#include <stdio.h>

#include <conio.h>

void main()

{

long n;

int i=0,a[20],b;

clrscr();

printf("\n Enter a decimal value: ");

scanf("%ld", &n);

printf("\n Enter base value (2, 8, 16): ");

scanf("%d", &b);

while(n!=0)

{

a[i] = n % b;

n = n/b;

i++;

}

if(b==2) {

printf("\n After conversion binary value: ");

}

else if(b==8) {

printf("\n After conversion octal value: ");

}

else {

printf("\n After conversion hexadecimal value: ");

}

for(i=i-1;i>=0;i--)

printf("%d",a[i]);

getch();

}

program for histogram given array elements

C PROGRAMS

Sekar C Sunday, December 08, 2019 0

/* program printing stars equal to each element in the list */

#include<stdio.h>

#include<conio.h>

void main()

{

int a[20], i, j, n;

clrscr();

printf("\n Enter the how many array elements: ");

scanf("%d",&n);

printf("\n Enter %d elements: ",n);

for(i=0;i<=n-1;i++)

scanf("%d",&a[i]);

for(i=0;i<n;i++)

{

printf("\n a[%d] = %d : ",i,a[i]);

for(j=0;j<a[i];j++)

printf(" *");

}

getch();

}

Array order reversal without using second array

C PROGRAMS

Sekar C Sunday, December 08, 2019 0

/* Array order reversal without using second array */

#include<stdio.h>

void main()

{

int arr[50], i, j, num, temp;

clrscr();

printf("\n Enter number of elements to be entered to the array: ");

scanf("%d", &num);

printf("Enter %d number of elements into array arr", num);

for (i = 0; i < num; i++) {

scanf("%d", &arr[i]);

}

j = i - 1;

i = 0;

while (i < j) {

temp = arr[i];

arr[i] = arr[j];

arr[j] = temp;

i++;

j--;

}

printf("\n Resultant array after reversal : ");

for (i = 0; i < num; i++) {

printf("%d \t", arr[i]);

}

getch();

}

sum of factorials in between range

C PROGRAMS

Sekar C Sunday, December 08, 2019 0

/* sum of factorials in between m and n */

#include<stdio.h>

#include<conio.h>

void main()

{

int i, j, m, n, fact=1, sum=0;

clrscr();

printf("\n Enter the starting and ending point :");

scanf("%d%d", &m, &n);

for(i=m ;i<=n ;i++)

{

fact=1;

for(j=1; j<=i; j++)

{

fact = fact * j ;

}

sum = sum + fact;

}

printf("\n The sum of factorials between %d and %d is: %d", m, n, sum);

getch();

}

Latest

Tags

Sunday, 8 December 2019

sine series 1-x^2/2!+x^4/4!-x^6/6!+.....

program to convert hexadecimal to decimal

Program for convert binary to decimal

Program for convert octal to decimal

convert decimal to binary / octal / hexadecimal

program for histogram given array elements

Array order reversal without using second array

sum of factorials in between range

Recent

Popular

Topics