View Code of Problem 22

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main() {
	char a[1000],b[1000],c[1000];
	char temp;
	int l1,l2,max,i,j;
	while(gets(a)!=NULL){
		gets(b);
		l1=strlen(a);
		l2=strlen(b);
		
		int k=0;
		for(i=0;i<l1;i++){
			for(j=0;j<l2;j++){
				if(a[i]==b[j]){
					c[k++]=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");
	}
}

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