C Program For Decimal to Hexadecimal Conversion

// C Program to demonstrate Decimal to Hexadecimal
// Conversion using the format specifier
#include <stdio.h>

int main()
{
    int decimalNumber = 45;
  
    // printing hexadecimal number
    // using format specifier %X
    printf("Hexadecimal number is: %X", decimalNumber);
    return 0;
}

// C Program to demonstrate Decimal to Hexadecimal
// Conversion using the modulus division operator
#include <stdio.h>

int main()
{

    int decimal_Number = 45;
    int i = 1, j, temp;
    char hexa_Number[100];
  
    // if decimal number is not 
    // equal to zero then enter in
    // to the loop and execute 
    // the statements
    while (decimal_Number != 0) {
        temp = decimal_Number % 16;
      
        // converting decimal number 
        // in to a hexa decimal
        // number
        if (temp < 10)
            temp = temp + 48;
        else
            temp = temp + 55;
        hexa_Number[i++] = temp;
        decimal_Number = decimal_Number / 16;
    }
    // printing the hexa decimal number
    printf("Hexadecimal value is: ");
    for (j = i - 1; j > 0; j--)
        printf("%c", hexa_Number[j]);

    return 0;
}

// C Program to demonstrate Decimal to Hexadecimal
// Conversion without using the modulus 
// division operator

#include <stdio.h>

int main()
{

    int decimal_Number = 45;
    int i = 1, j, temp;
    char hexa_Number[100];
  
    // if decimal number is not 
    // equal to zero then enter in
    // to the loop and execute 
    // the statements
    while (decimal_Number != 0) {
        int ch = decimal_Number / 16;
        int r = ch * 16;
        temp = decimal_Number - r;
      
        // converting decimal number
        // in to a hexa decimal number
        if (temp < 10)
            temp = temp + 48;
        else
            temp = temp + 55;
        hexa_Number[i++] = temp;
        decimal_Number = decimal_Number / 16;
    }
  
    // printing the hexa decimal number
    printf("Hexadecimal value is: ");
    for (j = i - 1; j > 0; j--)
        printf("%c", hexa_Number[j]);

    return 0;
}

// C Program to demonstrate Decimal to Hexadecimal
// Conversion using the functions

#include <stdio.h>

int dec_to_hexa_conversion(int decimal_Number)
{
    int i = 1, j, temp;
    char hexa_Number[100];
  
    // if decimal number is not 
    // equal to zero then enter in
    // to the loop and execute the
    // statements
    while (decimal_Number != 0) {
        temp = decimal_Number % 16;
      
        // converting decimal number 
        // in to a hexa decimal
        // number
        if (temp < 10)
            temp = temp + 48;
        else
            temp = temp + 55;
        hexa_Number[i++] = temp;
        decimal_Number = decimal_Number / 16;
    }
    // printing the hexa decimal number
    printf("Hexadecimal value is: ");
    for (j = i - 1; j > 0; j--)
        printf("%c", hexa_Number[j]);
}

int main()
{

    int Number = 45;
  
    // Calling the function
    dec_to_hexa_conversion(Number);
    return 0;
}