day la bai chuyen tu so thap phan ve so nhi phan.tuy la 1 bai don gian nhung co lien quan den chu de nen cung up len cho vui cua vui nha.moi nguoi ai co i kien j cu manh dan code de ae tham khao du don gian hay phuc tap
#include<conio.h>
#include<iostream.h>
int main()
{
int n,i=1,a[100];
cout<<"Nhap so he co so 10 can chuyen doi n= ";
cin>>n;
while(n!=0)
{
a[i]=n%2;
n=n/2;
i++;
};
for(int j=i-1;j>=1;j--)
cout<<a[j];
getch();
}