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#include <iostream>
#include <string>
using namespace std;
class CIS14 {
public:
int getNumPossibleSigns(string* letterInventory, string* addresses, int length);
};
int CIS14::getNumPossibleSigns(string* letterInventory, string* addresses, int length)
{
string foo;
size_t found;
int i,n,retval = 0;
do{
string temp = *letterInventory;
n = 0;
do{
if (addresses[i].substr(n,1) == " " || addresses[i].substr(n,1) == "\t"){
n++;
continue;
}
foo = addresses[i].substr(n,1);
found = temp.find_first_of(foo);
if (found == -1){
break;
}
else{
temp.erase(found,1);
n++;
}
}while(n < addresses[i].length());
if (n == addresses[i].length())
retval++;
i++;
}while(i < length);
return retval;
}
int main()
{
CIS14 cis14;
string addresses[] = {"123C","123A","123 ADA"};
string letterInventory = "AAAABCCC123456789";
int length = sizeof(addresses)/sizeof(addresses[0]);
cout << "Possible signs: " << cis14.getNumPossibleSigns(&letterInventory, addresses, length) << endl;
return 0;
}
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