刷题五

字符串A和字符串B。是否B包含了A所有的字符

#include <iostream>
#include <string>
using namespace std;

class Solution{
    public:
    bool myCheck(string & str1, string & str2){
        if(str1.length() == 0) return true;
        if(str2.length() == 0) return false;
        int myChar[256] = {0};
        for(int i = 0; i < str1.length(); i ++)
            myChar[str1[i] - 0] ++;
        for(int i = 0; i < str2.length(); i ++){
            if(myChar[str2[i] - 0] != 0){
                myChar[str2[i] - 0] --;
                if(myChar[str2[i] - 0] < 0)
                    return false;
            }
        }
        for(int i = 0; i < 256; i ++)
            if(myChar[i] > 0)
                return false;
        return true;
    }
};

int main() {
	cout  << "test\n";
	string str1 = "abcbad", str2 = "abcbadeda";
	Solution sol;
	if(sol.myCheck(str1,str2))
	    cout << "true" << endl;
	else
	    cout << "false" << endl;
	return 0;
}