You can refer to this sample code i had tried to sort in a single
pass:
#include<iostream.h>
#include<conio.h>
using namespace std;
int main()
{
int a = 0, b=1, c=9;
int s[10]= { 2,1,0,1,1,0,2,1,0,1};
while(a<b && b<c)
{
while(s[a]==0)
a++;
while(s[b]==1 || b<=a)
b++;
while(s[c]==2 && c>b)
c--;
if(!(a>=b) && !(b>=c))
{
if(s[b]==0)
{
s[b]=s[a];
s[a]=0;
}
if(s[b]==2)
{
s[b]=s[c];
s[c]=2;
}
}
for(int i = 0; i<10; i++)
{
cout<<s[i];
}
cout<<"\n";
}
getch();
}
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