Question

How to convert decimal to hexadecimal in C++

Answer 1

#include <iostream>

int main(void) {
    int decimal = 253, reminder, i = 0;
    char hex[16] = "";
    
    while(decimal != 0) {
        reminder = decimal % 16;
        if(reminder < 10)
            reminder = reminder + 48;
        else
            reminder = reminder + 55;
        hex[i] = reminder;
        i++;
        decimal /= 16;
    }
    
    for(i = i - 1; i >= 0; i--)
        std::cout << hex[i];
    
    return 0;
}





/*
run:
    
FD
    
*/

 

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