View Code of Problem 22

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main() {
	char a[1000],b[1000],c[1000],temp;
	int i,j,k;
	while(gets(a)!=NULL){
		gets(b);
		k=0;
		for(i=0;i<strlen(a);i++){
			for(j=0;j<strlen(b);j++){
				if(a[i]==b[j]){
					c[k++]=a[i];
					a[i]='*';
					b[j]='*';
					break;
				}
			}
		}
		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");
	}
}