C++ Program to Convert Decimal to Any Base

This C++ Program demonstrates the Conversion of a Number from a Decimal Base to Any Base less than the Number.

Here is source code of the C++ Program to Convert a Number from Decimal Base to Any Base. The C++ program is successfully compiled and run on a Linux system. The program output is also shown below.

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/*
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 * C++ Program to Convert a Decimal Base to Any Base

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 */
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#include<iostream>
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#include <cstdio>
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using namespace std;
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```
 
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/*
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 * Convert a Decimal Base to Any Base
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```
 */
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void convert10tob(int N, int b)
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{
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     if (N == 0)
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        return;
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     int x = N % b;
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     N /= b;
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     if (x < 0)
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        N += 1; 
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     convert10tob(N, b);
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     cout<< x < 0 ? x + (b * -1) : x;
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     return;
```
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}
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```
 
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/*
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 * Main
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 */
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int main()
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{
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    int N,b;
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    cout<<"Enter the integer to convert(N): ";

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    cin>>N;
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    cout<<"Enter the base <= N: ";
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    cin>>b;
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    if (N != 0)
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    {
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        convert10tob(N, b);
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        cout<<endl;
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    }
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    else
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        cout<<"0"<<endl;
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    return 0;
```
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}
```

$ g++ decimal_any.cpp
$ a.out
 
Enter the integer to convert(N): 100
Enter the base >= N: 2
1100100
 
------------------
(program exited with code: 1)
Press return to continue