Von neuman loves binary doubt

#1

sir my answer is coming like 101
5
1111
15
not like 101
1111
5
15
sir where i am going wrong

#2

hello @udaycodingblocks

for(int j=0;j<=sizeof(num);j++)
		{
			int rem=num%10;
			ans=ans+(pow(2,j))*rem;
			num=num/10;

		}

here sizeof(num) will not give u the number of digit that num has.
instead it will give the space taken by num.

to fix this use while loop.

#3

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