C++ :: Convert Binary Number Into A Decimal Number

Jul 5, 2013

Here's the part of the codes where I tried to use boolean expression:

Code:
#include <iostream>
using namespace std;
int main() {
int num;
cout << "8-bit Binary Number=";
cin >> num;

[Code] .....

How can I get started with the body?

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C++ :: Convert 8-digit Binary Number To Decimal Number?

Jul 6, 2013

Code: Complete the program below which converts a binary number into a decimal number. Sample outputs are shown belowComplete the program below which converts a binary number into a decimal number. Sample outputs are shown below.

Sample Output 1:

8-bit Binary Number => 11111111
Decimal Number = 255

Sample Output 2:

8-bit Binary Number => 10101010
Decimal Number = 170

Sample Output 3:

8-bit Binary Number => 101010102
Number entered is not a binary number

#include <iostream>
using namespace std;
int main()
{
int num;

[code]....

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C++ :: Convert Binary Number Into Decimal Number?

Jul 5, 2013

Here's the part of the codes where I tried to use boolean expression:

#include <iostream>
using namespace std;
int main()

[Code].....

May I know that how can I get started with the body?

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C :: Convert Decimal Number To Binary And Store It In A String

Apr 16, 2014

I want to convert a decimal number to binary and store it in a string so that I can use that binary output for later computation. Here is what I did

Code:
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
void main()

[Code] ....

​Now as you can see that all the binary output is in a[] but how do I get it into a string so that I can use something like printf("%s",string) and get the binary output ?

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C :: Pass Decimal Number To Function And Convert It To Binary?

Feb 26, 2013

I'm trying to pass a decimal number to a function and convert it to binary and return it and print it out in main. But it prints out 1011 and then seg faults...not sure where it's tripping up

Code: int main(){
char* binNum = decToBin(25);
int i = 0;
while(binNum != NULL){

[Code].....

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C/C++ :: Convert Decimal Number To Roman?

Sep 17, 2014

#include "stdio.h"
#include <stdarg.h>
#include <math.h>
// Main Function
int main(void){
int number;
printf(" Please enter a number from 1-10? ");
scanf("%d", &number);

[Code] ....

I took the while statement out didn't want that in there.

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C :: Binary Number To Decimal

Mar 30, 2014

I am very new to programming and have been working on a program that can receive decimals or binary numbers and convert them. The decimal --> binary works fine. For some reason I cannot figure out I cannot get the "BinaryToDecimal" function to perform. By putting a "printf" into the for-loop.

Code:

#include <stdio.h>#include <string.h>
#include <math.h>
char* ReverseString (char _result[]) {
int start, end, length = strlen(_result);
char swap;
for (start = 0, end = length-1; start < end; start++, end--)

[code]....

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C/C++ :: Binary Number Into Decimal?

Sep 10, 2014

I have a code and am asked to modify it so that it will take as input as unsigned binary number up to 16 digits in length and convert it into its equivalent decimal number and output that decimal number.

All I know is that I use library function strlen() in <cstring> to calculate the length of the input string.

I also know I have to use something called pow(2,4);

//pow (); is found in cmath

I was told to use sum = sum >>16-l; (l is the length of />/>

#include <iostream>
using namespace std;
int main() {

[Code]....

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C++ :: Program To Convert Octal Number To Decimal

Mar 27, 2013

I nead to write a program that convert an octal number to decimal number, I thought I did it right but it doesn't work.. I have to use in the first for loop as it is because it is part of the instructions (student homework).

#include <iostream>
#include <math.h>
using namespace std;
void main() {
double numOfDig, num, newNum;

[Code] ....

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C/C++ :: How To Convert Byte Array With Hex Number To Equivalent Decimal Value

Sep 18, 2012

I tried to convert byte array with hex to equivalent decimal value as follows but it gives me unexpected results:

byte hex_arr[] = { 0x00, 0x01, 0xab, 0x90};
unsigned long i=0;
i = hex_arr[3] + (hex_arr[2] << 8) + (hex_arr[1] << 16) + (hex_arr[0] << 24);
the output is 4294945680
Correct output should be 109456

but when I try with byte hex_arr[]={0x00,0x00,0x0f,0xff};

it gives correct out put 4095

the correct output works until the hex values is {0x00,0x00,0x7f,0xff}

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C++ :: Number Of Records In Binary File Is In Decimal?

Oct 9, 2014

My size of binary file is 1920 KB and my struct size is 124 kb. now to find number of records in file I divided 1920/124 and it gives me 15.4.... do I add 1 to 15.4 and make it 16 or do i take it as 15?

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C++ :: Random Number Generator Decimal To Binary System 0 To N

Mar 22, 2013

#include <iostream>
#include <stdlib.h>
using namespace std;

[Code]....

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Visual C++ :: Converting Decimal Number Given By User To Binary?

Dec 19, 2014

Write a C++ program that adds three binary numbers of 8-bit each. Every number is stored into an array of 8 elements.

Example:

Array A
0 1 2 3 4 5 6 7
0 1 1 0 1 1 1 0
+
Array B
0 1 2 3 4 5 6 7
0 1 1 0 1 1 1 0
+
Array C
0 1 2 3 4 5 6 7
0 1 1 0 1 1 1 0

Store the result into an array D of 8 elements. Your program should show the decimal numbers for every binary number. Print screen of 6 answers. This means you should try your program six times with different numbers in every run and show the printed screen result.

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C :: Convert Number To Binary From And Base Up To 10

Dec 7, 2014

I had an exercise that required me to convert a number to binary (base 2) which as simple enough.

Code:
#include <iostream>#include <iomanip>
#include <cmath>

using namespace std;
void Conversion (int n);
int main () {

[Code] .....

I now have a follow on exercise that requires me to convert to binary from ant base up to 10, i thought this would just be replacing the 2 with a variable obtained form the user, but i am having problems as within the function i am getting an error that i haven't passed enough arguments and i cant see why i get this. I did the following:

Code:
#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
float Conversion (int n, int b);

[Code] ....

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C++ :: Input Decimal Number And Output To Be Number Scientific Notation

Apr 26, 2013

I need to write a code in c++ , to input decimal number and the output to be number in Scientific notation with 32 bits .

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C++ :: Convert From Decimal To Binary With Base 2

Dec 7, 2014

I had an exercise to convert from decimal to binary with base 2, it was simple simple i did the following:

Code:
#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
void Conversion (int n);

[Code] .....

I then had an follow up exercise which was to replicate but for any base up to 10, i thought i would just have to replace 2 with a variable obtained from the user, however this did not work as i got an error saying too few arguments function but i cannot see why i am getting this.

Code:
#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
float Conversion (int n, int b);

[Code] ......

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C :: Convert Binary Numbers To Decimal

Mar 27, 2013

The code should convert binary numbers to decimal but it doesn't..

Code:
#include <stdio.h>
#include <math.h>
#include <string.h>
int main()
{

[Code] ....

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C :: Convert Decimal To Binary On Language

Nov 15, 2013

The goal of my program is to convert a decmial number to a binary number.First, the program gets an input to an array of chars, and the function translate_dec_bin converts this array to a decimal number through the strtoul function.The problem is that my program prints the binary number with an additional "0".For exmaple, for the input 1 - the program prints 01 instead of 1, for the input 3 - the program prints 011 instead of 11.

Code:

#include <stdio.h>
#include <stdlib.h>
#define MAX_LEN 20
void translate_dec_bin(char s[]){
char st[sizeof(unsigned)*20] = { 0 };
}

[code]....

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C++ :: Function To Convert Decimal To Binary

Jul 11, 2014

What is the difference between the two functions below? I created the function in the top and my friend created the function in the bottom. I just want to know why the function with the while loop prints the binary numbers backwards. And the recursive function prints the binary numbers correctly.

void findBinary(int num) {
int remainder = 0;
while ( num > 0) {
remainder = num % 2;
cout << remainder;
num = num / 2;

[Code] .....

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C++ :: Convert List Of Binary Numbers From A File Into Decimal And Print To Screen

Sep 23, 2014

I am trying to make a program that will convert a list of binary numbers from a file into decimal and print the decimal to the screen. I have no problem doing the conversion, the problem comes up when our teacher wants the input file in a format as such:

3
10110101
11111111
10101010

The first number is supposed to tell the program how many different 8bit strings it is going to have to convert, and then the following lines are those binary numbers.

I am not very experienced with file inputs, and I know how to open files and read lines in.. The problem is, how to say "ok the first line says 3, so now I have to convert the next 3 lines" . I am assuming it is just a simple loop that I am missing....

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C++ :: Count Number Of 0 In Binary Number

Apr 11, 2013

i am writing a program that accepts a decimal number from the user and convert it to binary numbers. After the conversion, i should count the number of 1's and 0's in the said binary number. I got upto converting and counting 1's using Brian Kernighan’s Algorithm. But, i can't seem to get it to count the number of 0's.

#include <iostream>
#include<bitset>
using namespace std;
int main() {
int num,count=0,Zero,count1 =0;
cout<<"Enter the number:";
cin>>num;
string binary;

[code].....

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C++ :: Get Fraction For Any Decimal Number In Variable?

Jun 9, 2013

How do i get the fraction for any decimal number in a variable?

Code: Code: #include<iostream>
using namespace std;
int main()
{
double x = 1/6;
cout << x;
cin.get();
}

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C++ :: Algorithm To Get The Decimal Part Of A Number?

Jun 12, 2014

I'm writting an algorithm which equals to std::to_string. The inttostring part is fine, and the decimal_part too. But when the number digits > 5, the program loops infinitely.

#include <iostream>
#include <string>
#include <algorithm>

[Code]...

In this code, the program runs ok. But try to add a 5 at decimal_part. What should I do to get this 'decimal_part' ok?

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C/C++ :: Check If A Number Has Decimal Place

May 31, 2014

I'm trying to make a program to check if a number has decimal place, for instance: 1.34(yes), 1.0(no), 3.45(yes), 5.0(no).

Code:

#include <stdio.h>
#define LENGTH 4
int main( void ) {
int i;
float a[LENGTH];
for(i=0; i < LENGTH; i++) {
scanf("%f", &a[i]);

[Code] ...

I'm getting this output, why?

Quote

error: invalid operands of types "float" and "int" to binary "operator%"

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C++ :: Can't Output Decimal Number From A Function Result

Mar 28, 2013

I have this simple code here:

Code:
#include <iostream>
int multiply (double x, double y) {
double result = x*y;
return (result);

[Code] ....

I get the answer 5.94 (which is what I'm looking for). I can't work out why the first example is not outputting a decimal number. I have set the variables as a double so I just can't see why this is not working for me.

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C :: User Defined Number Of Decimal Places?

Sep 2, 2013

I need the user to be able to input the number of decimal places they wish to have displayed in the output. Everything works fine as is, I just don't know how to allow for the user to input the number of decimal places they want the output to have.

Code:

#include<stdio.h>
#include<math.h>
#define PI 3.141592654
int main(void) {
//Local Declarations
int x; //desired number of decimal places
float radius; //radius of circle
float circumference; //circumference of circle

[Code] .....

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