View Code of Problem 22

#include<iostream>
#include<string>
#include<algorithm>
#include<stdio.h>
using namespace std;
int main()
{
	string a,b;
	int k;
	char c[200];
	while(getline(cin,a)!=NULL)
	{
		getline(cin,b);
		k=0;
	
		for(int i=0;i<a.length();i++)
			for(int j=0;j<b.length();j++)
			{
				if(a[i]==b[j]) 
				{
					c[k++]=a[i];
					b[j]='*';
					break;
				}	
		
			}
		sort(c,c+k);
		for(int i=0;i<k;i++)
		{
			cout<<c[i]; 
		}
		cout<<endl;
	}
	return 0 ;
}

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