#include<stdio.h>
#include <stdlib.h>
int main()
{
char a[90], s[100],b[100];
int c,d,i,j;
for(i=0;i<c;i++)
{
for(j=0;j<d;j++)
{
if(s[i]==b[j])
{
a[i]=s[i];
break;
}}}
return 0;
}
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