View Code of Problem 22

#include<stdio.h>
#include<string.h>
int main()
{
	char a[1000];
	char b[1000];
	char c[1000];
	while(gets(a)!=NULL)
	{
		int l1,l2;
		gets(b);
		l1=strlen(a);
		l2=strlen(b);
		int i,j,k=0;
		for(i=0;i<l1;i++)
		{
			for(j=0;j<l2;j++)
			{
				if(a[i]==b[j])
				{
					c[k]=a[i];
					k++;
					b[j]='*';
					break;
				}
			}
		}
		char temp;
		for(i=0;i<k;i++)
		{
			for(j=i+1;j<k;j++)
			{
				if(c[i]>c[j])
				{
					temp=c[i];
					c[i]=c[j];
					c[j]=temp;
				}
			}
			printf("%c",c[i]);
		}
		printf("\n");
	}
	return 0;
}

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