# WAP in C++ to Convert Decimal number to hexadecimal number

The Program in C++ to Convert Decimal number to hexadecimal number is given below:

``````#include <iostream>
#include <string>
using namespace std;

string decimalToHex(int decimal) {
string hex = "";
char hexchars[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
while (decimal != 0) {
int remainder = decimal % 16;
hex = hexchars[remainder] + hex;
decimal = decimal / 16;
}
return hex;
}

int main() {
int decimal;
cout<<"Hello Codeauri Family,enter a decimal number here to convert them into hexadecimal: \n";
cin >>decimal;
cout << "Well, the converted hexadecimal is " << decimalToHex(decimal) << endl;
return 0;
}
``````

## Output:

Hello Codeauri Family,enter a decimal number here to convert them into hexadecimal:
10
Well, the converted hexadecimal is A

## Pro-Tips💡

This program prompts the user to enter a decimal number, converts it to a hexadecimal number using the function `decimalToHex`, and then displays the result.

The function `decimalToHex` uses a while loop to repeatedly divide the decimal number by 16

and converts the remainder to a hexadecimal character using an array of hexadecimal characters.

The hexadecimal characters are then concatenated to form the final hexadecimal number.

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