题解 | #字符串字符匹配#

#include <iostream>
using namespace std;

int main() 
{
    string s1, s2;
    cin >> s1 >> s2;
    int len = s1.length();
    bool flag = true;
    for(int i = 0; i < len; i++)
    {
        int pos = s2.find(s1[i]);
        if(pos == -1)
        {
            flag = false;
        }
    }
    cout << (flag ? "true" : "false") << endl;
}