View Code of Problem 22

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

int main(){ 
    int i,a[26],b[26]; 
    char s1[1001],s2[1001];
    while(gets(s1)!=NULL){
    	gets(s2);
    	for(i=0;i<26;i++){
    		a[i]=0;
    		b[i]=0;
		}
    	int len1=strlen(s1);
    	int len2=strlen(s2);
    	for(i=0;i<len1;i++) a[s1[i]-97]++;
    	for(i=0;i<len2;i++) b[s2[i]-97]++;
    	for(i=0;i<26;i++){
    		int min=a[i]>b[i]?b[i]:a[i];
    		for(int j=0;j<min;j++){
    			printf("%c",i+97);
			}
		}
		printf("\n");
	}
    return 0; 
     
}

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