Decimal to binary

Question

//Write a program that converts a given number from decimal to binary notation (numeral system). Can anyone tell how to do it using For Loop?

Ankit Sharma · Answer

Hi I have modified my original code by adding the reverse logic. I hope this will be easier for you to understand. public static void ConvertotBinary1() { int num; Console.Write( Enter a Number :  ); num = int .Parse(Console.ReadLine()); string rem=  ; string binaryoutput =  ; for ( int i = 1; num > 0; i++) { rem += (num % 2).ToString(); num /= 2; } for ( int i = rem.Length - 1; i >= 0; i--) { binaryoutput = binaryoutput + rem[i]; } Console.Write(binaryoutput); Console.Read(); }

Saikat Mekdar · Answer

Try this... using System; class myclass { static void Main() { int num; Console.Write( Enter a Number :  ); num = int .Parse(Console.ReadLine()); int quot; string rem =  ; while (num >= 1) { quot = num / 2; rem += (num % 2).ToString(); num = quot; } string bin =  ; for ( int i = rem.Length - 1; i >= 0; i--) { bin = bin + rem[i]; } Console.WriteLine( The Binary format for given number is {0}  bin); Console.Read(); } }

harish reddy · Answer

tough to understand. anything simpler than this.

Ankit Sharma · Answer

Hi Harish Please try this updated code public static void ConvertotBinary() { int num; Console.Write( Enter a Number :  ); num = int .Parse(Console.ReadLine()); int binaryoutput = 0j = 1; for ( int i = num; i > 0; i = i / 2) { binaryoutput = binaryoutput + (num % 2) * j; j = j * 10; num = num / 2; } Console.WriteLine(binaryoutput); Console.Read(); } Hope this helps

harish reddy · Answer

Hi No the number is wrongly coming... the ouput should be reversed also right for 26 in binary it is 11010 but it is coming as 01011

Ankit Sharma · Answer

Hi Harish Please refer to this code public static void ConvertotBinary() { int num; Console.Write( Enter a Number :  ); num = int .Parse(Console.ReadLine()); int rem; for ( int i = 1; num > 0; i++) { rem = num % 2; num /= 2; Console.Write(rem); } Console.Read(); } Please try and let me know if it works for you