STRING---Reverse an array without affecting special characters

#include <bits/stdc++.h>
using namespace std;

int main() {
	
	int i,n,l,r,count1,count2;
	char temp;
	string s;
	cin>>s;
	n=s.length();
	l=0;
	r=n-1;
	count1=1;
	count2=1;
	             while(l<=r)
	             {
	
		if(!((s[l]>=65&&s[l]<=90)|(s[l]>=97&&s[l]<=122)))
		{
			count1=0;
		l++;
		}
		if(!((s[r]>=65&&s[r]<=90)|(s[r]>=97&&s[r]<=122)))
		{
			r--;
			count2=0;
		}
	if(count1==1&&count2==1)
	{
		temp=s[l];
		s[l]=s[r];
		s[r]=temp;
		l++;
		r--;
	}
	
	count1=1;
	count2=1;
		
	}
	cout<<s;
	
	return 0;
}