#include <iostream>
#include <string>
using namespace std;
 
// check if chars in str1 are in str2
int allin(string str1, string str2)
{
    unsigned int bitcheck = 0;
 
    for (auto ch : str2)
    {
        bitcheck |= (1 << (ch - 'a'));
    }
 
    for (auto ch : str1)
    {
        if (bitcheck & (1 << (ch - 'a')))
            continue;
        return 0;
    }
 
    return 1;
}
 
int main()
{
    string str1("abc");
    string str2("abcce");
 
    cout << allin(str1, str2) << endl;
}

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