View Code of Problem 22

#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;
int main(){
    char a[999],b[999],c[999];
    while(cin.getline(a,999)){
        cin.getline(b,999);
        int k=0;
        for(int i=0;i<strlen(a);i++){
            for(int j=0;j<strlen(b);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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