#include "stdio.h" #include "math.h" #include "string.h" void main() { int i,j,k; char a[1001],b[1001]; for(;scanf("%s%s",a,b)!=EOF;) { int c[1001]={0}; for(k=0,i=0;a[i]!='\0';i++) { for(j=0;b[j]!='\0';j++) { if(a[i]==b[j]) { c[a[i]-'0']++; } } } for(i='a'-'0';i<='z'-'0';i++) { if(c[i]!=0) printf("%c",i+'0'); } printf("\n"); } } |
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